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Rollinia deliciosa, Safford. Biriba. Fig. 3423. A tree yielding a delicious, large, juicy fr., resembling the cherimoya: vegetative lvs. obovate-oblong or elliptical, rounded at the base and normally acuminate at the apex, blades 8-11 in. long and 3-4 in. broad, membrana- ceous, when young sparsely canescent-hirtellous above, densely so beneath, especially along the midrib and nerves, at length glabrous above and beneath except along the midrib and primary nerves (18-22 on each side), these reddish brown and slender but prominent beneath; petiole about 2/5in. long: lvs. on flowering branches smaller, the lowermost ones relatively shorter and broader, sometimes broadly ovate or orbicular, 1 2/5-2 2/5 in. long and 1 2/5-2 in. broad: peduncles lf.- opposed, often in pairs, sometimes solitary, rarely in 3's, 1-1 3/5 in. long, bearing a small ovate sessile brac- teole near the middle, strigillose with reddish hairs, like the petioles and nerves of the lowermost lvs. (prophylla) beneath: calyx and corolla canescent- puberulous; corolla-wings compressed laterally, widely diverging and decurved, rounded at the extremity; stamens numerous, closely crowded, the expanded connectives forming a pavement above the pollen-sacs; carpels numerous, ovaries hairy, styles expanded, glandular-puberulpus: fr. a solid depressed subglobose syncarpium, 3-5 in. diam. with the areoles distinctly outlined and terminating in an obtuse beak; peduncle straight and woody, about 2 in. long; pulp fleshy, white or cream-colored, juicy, fine-flavored; seeds compressed, 3/5-4/5in. long and 8-25-2/5in. broad, rounded at the apex, gradually narrowing to the base, hilum not prominent; testa thin, brown, wrinkled by the inclosed ruminate endosperm.—The type of this species, in the U. S. National Herbarium, is from a fr.-bearing tree cult, in the experiment station, Miami, Fla., grown from seeds sent by C. F. Baker from Para, Brazil (No. 22512) in 1908. Baker describes it as the finest annonaceoua fruit of Trop. Amer. It was incorrectly referred to R. ortho- petala, but it is readily distinguished from that species by the decurved wings of its fls.

Rollinia jimenezii, Safford. Anonilla. Fig. 3424. A small tree of

Costa Rica resembling R. mucosa but with fls. in clusters of 2 or 3,  

having the corolla-wings horizontally spreading and slightly decurved,  

and with fr. resembling that of the common sugar-apple (Annona

squamosa), with the component carpels rounded at the tips when fresh,

but more or less beaked when dry: lvs. ovate to oblong-elliptical,  

acuminate, those of the vegetative branches 7-8 in. long and 2 3/5-3

in. broad, obtuse at the base, with 18-22 primary nerves on each side  

of midrib, those of the flowering branches smaller with 12-16 pairs of

primary nerves and usually rounded at the base; point of acumen either

acute or more usually obtuse or retuse; young branches, petioles, and

lower surface of young lvs. covered thickly with ferru- gineous hairs,

lvs. at length glabrous or nearly so except along the midrib and  

nerves beneath: peduncles lf.- opposed, in clusters of 2 or 3,  

graduated in length, the longest about 4/5in. long,  

ferrugineous-tomentose like the ovate-acuminate calyx-lobes:

corolla-wings oblong, rounded at the tip, scarcely at all narrowed at

the base, widely spreading and usually decurved, never curving upward

and inward, rufous-puberulent: fr. subglobose, about 2 2/5in. diam.,  

closely resembling that of Annona squamosa, the component carpels

loosely adhering, very gibbous, rounded or often retuse at the tip

when fresh; pulp white, edible, but not so agreeably flavored as that

of Annona squamosa.—This species is based upon specimens in the U. S.  

National Herbarium, received from Oton Jimenez, of San Jose, Costa

Rica, the fls. collected by him at Nuestro Amo, March, 1912 (No. 427),

and the fr. from the same tree, Oct., 1912. The accompanying figure is

drawn from type material, the fr. from a field photograph sent by Mr.

Jimenez, in whose honor the species is named.

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