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| {{Inc| | | {{Inc| |
| Rudbeckia (after the two Professors Rudbeck, father and son). | | Rudbeckia (after the two Professors Rudbeck, father and son). |
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| Compositae. Cone-Flower. Very attractive summer-blooming perennials or | | Compositae. Cone-Flower. Very attractive summer-blooming perennials or |
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| biennials, usually with yellow flowers. | | biennials, usually with yellow flowers. |
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| Leaves usually alternate, the blades undivided or in some species much | | Leaves usually alternate, the blades undivided or in some species much |
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| cut, as in the common Golden Glow: fls. both tubular and ray-like, the | | cut, as in the common Golden Glow: fls. both tubular and ray-like, the |
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| former usually purplish, the latter always yellow; involucre | | former usually purplish, the latter always yellow; involucre |
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| hemispheric, its bracts imbricated in 2-4 series; receptacle conic or | | hemispheric, its bracts imbricated in 2-4 series; receptacle conic or |
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| very rarely convex, with chaffy concave scales subtending the | | very rarely convex, with chaffy concave scales subtending the |
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| disk-fls.; disk-fls. perfect, fertile, their corollas 5-lobed: achenes | | disk-fls.; disk-fls. perfect, fertile, their corollas 5-lobed: achenes |
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| 4-angled, obtuse or truncate at the apex; pappus none or of 2-4 short | | 4-angled, obtuse or truncate at the apex; pappus none or of 2-4 short |
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| teeth.—There are about 31 species, not counting Echi- nacea, all of N. | | teeth.—There are about 31 species, not counting Echi- nacea, all of N. |
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| Amer. Of these scarcely a dozen are of horticultural importance. Under | | Amer. Of these scarcely a dozen are of horticultural importance. Under |
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| Rudbeckia are often included in nursery catalogues certain plants here | | Rudbeckia are often included in nursery catalogues certain plants here |
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| referred to Echinacea and Lepachys. These three genera form an | | referred to Echinacea and Lepachys. These three genera form an |
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| interesting floricultural group. Rudbeckia and Lepachys are typically | | interesting floricultural group. Rudbeckia and Lepachys are typically |
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| yellow-fld. genera, while Echinacea is predominately rose-purple-fld. | | yellow-fld. genera, while Echinacea is predominately rose-purple-fld. |
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| The chaff of the receptacle is usually persistent in Rudbeckia and | | The chaff of the receptacle is usually persistent in Rudbeckia and |
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| deciduous in Lepachys. Among the hardy herbaceous species, there are | | deciduous in Lepachys. Among the hardy herbaceous species, there are |
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| several with striking habit and distinct foliage. There is a wide range | | several with striking habit and distinct foliage. There is a wide range |
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| of color in the rays of wild plants and many new races are yet to be | | of color in the rays of wild plants and many new races are yet to be |
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| perpetuated. Some of these with variations in the shape, color, length, | | perpetuated. Some of these with variations in the shape, color, length, |
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| color of disk-fls., and so on may serve as the basis of many fine | | color of disk-fls., and so on may serve as the basis of many fine |
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| forms. The season of bloom could doubtless be extended. The only full | | forms. The season of bloom could doubtless be extended. The only full |
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| double form, apparently, is the Golden Glow, one of the best perennials | | double form, apparently, is the Golden Glow, one of the best perennials |
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| of recent intro. Its origin is uncertain, but it appears to be a form | | of recent intro. Its origin is uncertain, but it appears to be a form |
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| of R. laciniata. About 1894 John Lewis Childs found it among some | | of R. laciniata. About 1894 John Lewis Childs found it among some |
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| plants sent by correspondents. See Gng. 6:370. For structure of the | | plants sent by correspondents. See Gng. 6:370. For structure of the |
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| Rudbeckia inflorescence or head, see Vol. III, Fig. 1535. | | Rudbeckia inflorescence or head, see Vol. III, Fig. 1535. |
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| The cone-flowers are of easy cultivation in almost any soil and | | The cone-flowers are of easy cultivation in almost any soil and |
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| situation, from a semi-shady position to one in full sun. Most of the | | situation, from a semi-shady position to one in full sun. Most of the |
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| species are found inhabiting moist locations, but thrive well in the | | species are found inhabiting moist locations, but thrive well in the |
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| garden under the ordinary methods of cultivation, although R. laciniata | | garden under the ordinary methods of cultivation, although R. laciniata |
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| and its double form, Golden Glow, do much better if abundantly supplied | | and its double form, Golden Glow, do much better if abundantly supplied |
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| with moisture. R. hirta, the black-eyed Susan,—sometimes called by the | | with moisture. R. hirta, the black-eyed Susan,—sometimes called by the |
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| children out West "nigger-heads,"—will thrive in the driest hottest | | children out West "nigger-heads,"—will thrive in the driest hottest |
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| situation, where many others would fail. The best known as a garden | | situation, where many others would fail. The best known as a garden |
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| plant, and probably the showiest, is Golden Glow. If cut back severely | | plant, and probably the showiest, is Golden Glow. If cut back severely |
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| when through blooming and well watered, it often produces a second crop | | when through blooming and well watered, it often produces a second crop |
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| of flowers. Autumn Glory will be well liked when better known. It is | | of flowers. Autumn Glory will be well liked when better known. It is |
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| fine for massing and has a much longer blooming period than Golden | | fine for massing and has a much longer blooming period than Golden |
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| Glow, commencing earlier and continuing until frost. It resembles R. | | Glow, commencing earlier and continuing until frost. It resembles R. |
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| nitida, an improved form of which, known as Autumn Sun, with bright | | nitida, an improved form of which, known as Autumn Sun, with bright |
| primrose-yellow flowers, is a splendid acquisition. It grows 5 to 6 | | primrose-yellow flowers, is a splendid acquisition. It grows 5 to 6 |