LILIACE^ 19 



4. A. TeticuUtum, Don. 



Scape 3-8 in. high; bulb usually solitary, covered with a network of 

 fibres; umbel several-flowered, flowers white or pinkish. Dry prairie, 

 Man.-Alta. 



8. DISPORUM. 



Periantli of 6 equal deciduous segments; stamens 6,/ with fila- 

 ments longer than the anthers, exserted; style slender; stigma 

 3-cleft or entire; ovary 3-celled, usually with 2 ovules in a cell; 

 berry red. Rather hairy branching herbs from slender rootstocks, 

 with terminal drooping flowers. 



1. D. trachycarpum, Wats. 



Stem 1-2 ft. high; leaves oval to lanceolate, scarcely at all cordate; 

 flowers yellowish white; style 3-lobed; berry leathery and roughened. 

 Poplar groves, Man.-Alta. 



9. STREPTOPUS. Twisted Stalk. 



Perianth somewhat bell-shaped with the 6 separate segments 

 spreading or recurved, the inner 3 keeled; stamens 6, filaments 

 short, anthers long and arrow-shaped ; style slender, 3-cleft ; ovary 

 3-eelled, the ovules in 2 rows in each cell. Branching herbs with 

 sessile, clasping, alternate leaves, and flowers solitary or in pairs 

 from the axils. 



1. S. amplexifolius, (L.) DC. 



Stem glabrous, 1-2 ft. high, usually branching below, from a short, stout 

 rootstock closely covered with fibrous roots; leaves large, pointed, glaucous 

 beneath, clasping, with a cordate base; flbwers greenish white, the segments 

 of the perianth narrow; peduncles often 2-flowered. Cool moist woods, 

 never plentiful, Man.-Alta. 



2. S. roseus, Michx. 



Resembling the former, but the leaves narrower and only slightly, if at 

 all, heart-shaped at the base, green on both sides; peduncles usually 

 1-flowered; flowers purple or rose-colored. Same ra:nge as preceding, but in 

 rather drier soil. 



10. TRILLIUM. Wake Robin. 



Sepals 3, spreading, herbaceous, persistent; petals 3, colored, 

 withering; stamens 6; ovary 3 or 6-angled; fruit a berry. Low 

 perennial herbs with simple stems springing from short root- 

 stocks, and bearing at the top a whorl of 3 broad net- veined leaveS; 

 and a large terminal flower on a fairly long peduncle. 



