| + | Cypripedium (Venus'-slipper). Lady's Slipper. Moccasin-flower. Orchidaceae. Attractive hardy orchids, often planted in moist cool borders, bogs, and sometimes in rock- gardens. |
| + | Stems very short, with a pair of Lvs. close to or near the ground, or long and leafy: Lvs. commonly many- nerved: fls. terminal, 1 to few, withering on the ovary; lateral sepals free, or united nearly or to the apex, the dorsal sepal erect; petals generally narrower, spreading; lip saccate, rarely split down the front; ovary 1- celled, with 3 parietal placentae.— Species about 30, in the north temperate zone. For the greenhouse species formerly included here, see Paphiopedilum, and Phragmipedium. |