518 Liliacee— Yucca. 
Scape 3 to 4 feet high, much branched; flowers numerous, 
about 2 inches deep. The principal varieties are glaucéscens, 
like the type, but permanently glaucous; obliqua, leaves and 
flowers smaller than in the type, the former more or less twisted 
to one side; supérba, leaves more rigid than in the type, panicle 
denser and hardly half as tall; and a variety with variegated 
foliage. 
7. Y. recurvifoliu (fig. 252).—Stem dwarfer but more 
branched than in the preceding. Leaves more or less curved, 
not so concave and sharp-pointed as in gloridsa. Panicle 
large and copiously branched. Y. rufo-cincta is a variety of 
this species with a reddish-brown margin to the leaves. 
8. Y. acumindta.—This is perhaps an extreme form of Y. 
gloridsa with a short stem and fewer leaves about 2 feet long, 
sharp-pointed, narrowed towards both ends, and brown or grey 
on the edge. Scape 3 to 4 feet high ; flowers 2 inches deep. 
13. ALLIUM. 
Bulbous herbs with flat or terete radical leaves and capitate 
or umbellate flowers enclosed in a membranous spathe at the 
summit of a slender naked or leafy scape. Perianth-segments 
free, spreading or campanulate. Stamens equal in number, and 
on the bases of the perianth-segments. Capsule membranous, 
with one or two seeds in each of the three cells. The Latin 
name for A. sativuin, the Garlic. This is a large genus, 
including, besides the Onion and its useful congeners, several 
very ornamental and less foetid species. Natives of the northern 
temperate regions of the Old and New Worlds. 
1. A. Moly.—This species has broadly lanceolate glaucous 
leaves and large yellow flowers on a scape from 1 to 2 feet 
high. A native of the South of Europe, flowering in June. 
2. A. rdsewn.—A smaller plant with narrow lanceolate 
leaves and a leafy scape about a foot high bearing a large 
umbel of rosy-purple flowers in June. 
There are several other species in cultivation, such as A. 
odérum, with white; A. azivrewm, deep blue; A. swaveolens, 
purple; and A. flavum, yellow flowers. 
14. CAMASSIA. 
A North American genus of two species. C. esculénta, the 
Quamash of the Indians, is a handsome plant, resembling the 
common blue Hyacinth, but larger. The leaves are linear, 
about a foot high, and the flower-scape about 18 inches. 
