IOO LILIACEAE. 



bearing in their axils thread-like branchlets which function as 

 leaves; flowers small, axillary; perianth-segments separate or 

 united at the base; stamens 6, on the base of the perianth-seg- 

 ments; fruit a spherical 1-many-seeded berry. 



Asparagus officinalis L. Stem erect, with spreading branches, 1-2 m. 

 high ; leaves scale-like, bearing in their axils clusters of thread-like green branch- 

 lets 6—15 mm. long; flowers solitary, drooping, greenish-yellow; perianth cam- 

 panulate. 



Readily escaping from cultivation. 



118. TOFIELDIA. 



Slender perennials with short creeping rootstocks and simple 

 stems leafy at the base; perianth more or less spreading, persist- 

 ent, the segments oblong or obovate, without claws; inner stamens 

 on the base of the perianth-segments ; styles awl-shaped ; stigmas 

 terminal; capsule 3-lobed, with many oblong seeds. 



Tofieldia intermedia Rydb. Stems 30-50 cm. tall, viscid-pubescent; 

 leaves much shorter than the stem, about 5 mm. broad; raceme dense, viscid- 

 pubescent; perianth 3-5 mm. long; capsules not stalked; seeds tailed at one 

 end. 



Common in bogs, especially in the mountains. 



119. CLINTONIA. 



Somewhat pubescent herbs, with slender rootstocks and erect 

 simple scapes; leaves few, broad, petioled, sheathing, basal; 

 flowers solitary-terminal or umbelled on the erect scapes, bract- 

 less; perianth-segments distinct, equal or nearly so, erect or 

 spreading; stamens 6, inserted at the base of the perianth- 

 segments; ovary 2- or 3-celled; ovules 2-several in each cavity. 



Clintonia uniflora (Schult.) Kunth. Rootstock creeping, slender; scapes 

 slender, pubescent, naked or with one or two small linear bracts, 6-10 cm. tall, 

 bearing a solitary white flower or rarely two; proper stem short; leaves 2-5, 

 oblong, acuminate, pubescent beneath, 10-20 cm. long; calyx pubescent on 

 the outside; filaments attenuate from a thicker base, pubescent below; fruit 

 globose or pyriform, blue. 



Common in subalpine woods. 



120. TRILLIUM. Wake Robin. 



Glabrous erect unbranched herbs, with short rootstocks; 

 leaves 3 in a whorl at the summit of the stem just under the 

 sessile or peduncled, solitary, bractless flower; perianth of two 

 distinct series of segments, the outer 3 (sepals) green, the inner 

 3 (petals) white, pink, purple or sometimes greenish; stamens 6, 

 hypogynous; ovary sessile, 3-6-angled or lobed; ovules several 

 or numerous in each cavity. 



Flower sessile; leaves mottled. T. chloropetalum. 



Flower stalked; leaves not mottled. T. ovatum. 



