128 LILIACEAE 
5. CHAMAELIRIUM, Willd. 
Herb, from thick tubrous rootstock. Stem tall and smooth. Staminate 
and pistillate flowers growing on different plants, each class of flowers 
in a linear cluster (spike I, p. 36), the petals spatula-formed, white, 
with a single central nerve. Leaves at the base, spatula-formed (Fig. 
11, p. 17, Part I), those of the stem few and lJance-shaped. Seeds winged 
at each end. The plants with pistillate flowers are usually taller than 
those with staminate flowers. 
1. C. luteum, (L.) A. Gray. (Fig. 4, pl. 11.) Buazrne Star. Plant 
13 to 2 ft. high, leafy; basal leaves 2 to 8 in. long, spatula-formed. Low 
grounds, New England and south. 
2. C. obovale, Small. Similar to No. 1, but the capsule of No. 1 
is oblong on a slender pedicel, that of C. obovale is obversely egg-shaped, 
on a stout pedicel. Mass., northward. Spring. 
6. AMIANTHIUM, Gray (Chrosperma, Raf.) 
Tall smooth herb, starting from a bulb, with many long, linear, blunt 
pointed leaves from the base and only a few short leaves on the flower 
stem. Flowers all with stamens and pistils, white, in slender elongated 
clusters (II, p. 36, Part I). Petals without claws or glands, oval, obtuse 
and spreading. Ovary 3-lobed, ovoid. 
A. muscaetoxicum, (Walt.) Gray. (Fig. 3, pl. 11.) Fry-porson. 
Stem 14 to 4 ft. high. Cluster of flowers dense; seeds fleshy, red. Leaves 
keeled, grass-like, about 3 in. broad. In southern part of our region. 
7. STENANTHIUM, (Gray) Kunth. 
Plants resembling Amianthium, the terminal cluster of greenish-white 
flowers less compact and broader below (panicle). Segments of the 
perianth narrow and long. Leaves grass-like, keeled. Some of the 
flowers are perfect, bearing both stamens and pistils, others only one set 
of these organs. 
S. robustum, 8. Wats. Srour Srenantnium. (S. gramineum, (Ker.) 
Kunth.). Stem leafy, 3 to 5 ft. high. Leaves 1 ft. long or more, the upper 
reduced to bracts. Flower cluster pyramidal, compound (panicle). Moist 
soil, southern Penna. July-Sept. ; 
8. ZYGADENUS, Michx. 
Smooth perennial herbs, in our species from a bulb, with nearly naked 
stems and grass-like leaves. Petals each with 1 or 2 glands at base. 
Seeds angled. Flowers greenish-white, in a loose spike or raceme (I, II, 
p- 36, Part I) from 6 to 12 in. long. Flowers generally bearing both 
stamens and pistils, greenish, yellowish or whites Capsule 3 lobed, 
3-celled. 
l. Z. chloranthus, Richards. GLaucus ZyaapeNus. (Z. elegans, 
Pursh.?). Plant covered with a whitened bloom. Bulb about 1 in. long, 
about 4 in. broad; leaves grass-like. Gland at base of petals distinctly 
heart-shaped. ‘The flower cluster only moderately spreading (Ii, ps 36) 
2. Z. leimanthoides, A. Gray. PINE-BARREN ZYGADENUS. Flower 
