LILIACEAE (LILY FAMILY) 



39 



seeds. A perennial herb with a simple, slender stem which is woolly, 

 and rises from a horizontal white tuber which has the taste of cu- 

 cumber. The stem bears near the middle a whorl of 5-9 leaves, and 

 another whorl, usually of 3, much smaller leaves at the top, the latter 

 subtending a sessile umbel of small recurved flowers. Rich damp 

 woods. 



TRILLIUM (Wake Robin) 



Flowers perfect. Perianth-segments distinct. Style branches 

 distinct. Fruit a berry. The cauline leaves 3 in a single whorl. 

 Style short, thick, the stigmatic surface irregular. Sepals 3, 

 lanceolate, spreading, ' herbaceous, persistent. Petals 3, larger, 

 withering in age. Stamens 6; anthers linear, on short filaments, 

 adnate. Styles awl-shaped or slender, stigmatic down the inner 

 side. Low perennial herbs, with a stout and simple stem rising 

 from a tuber-like rootstock. At the top a whorl of 3 broadly 

 ovate leaves and a large terminal flower; vernal. (Named from 

 tres, three ; all the parts being 

 in threes.) Monstrosities are 

 not infrequent. 



T. sessile, Ovary and fruit 

 6-angled. Flower sessile. Leaves 

 sessile, usually mottled. Sepals 

 spreading. The sessile petals 

 are erect and spreading, nar- 

 rowly lanceolate,, dull purple, 

 varying to greenish. Moist 

 woods. 



T. recurvatum. Ovary and 

 fruit 6-angled. Flower sessile. 

 Leaves contracted at the base 

 into a petiole, usually mottled. 

 Sepals reflexed. The bases of 

 the petals narrowed into a 

 claw. Rich woods. 



T. erectum. Ovary and fruit 

 6-angled. Flower pediceled. 

 Anthers when mature extend- 

 ing beyond the stigmas. Petals Trilhum. a. T. grandiflorum. b, T. recur- 

 ovate to lanceolate. Brown- vatum, flower and (c) rogtstock. 



