LILY FAMILY. 



125 



ascending at base and with their long points convergent, forming an 

 arch above the pistil; stamens 2\ or 3 lines long. 



Shade of redwood trees from Marin Co. to Humboldt Co. 

 Jan. -Mar. 



18. TRILLIUM L. Wake Robin. 

 Low herbs with a tuberous rootstock and a simple stem which is 

 naked below and bears at the summit a whorl of 3 round-ovate netted- 

 veined leaves, and a single large flower. Perianth of 8 lanceolate, 

 herbaceous, persistent sepals, and 3 larger marcescent petals. 

 Stamens 6, much shorter than the segments; anthers linear, on short 

 filaments, adnate. Ovary 3 to 6-angled, 3-celled or 1 -celled at sum- 

 mit. Stigma sessile, elongated, stigmatic down the inside. Fruit a 

 fleshy reddish capsule. Seeds ovate. (Name from triplum, triple, on 

 account of the 3-merous flowers.) 



Flower sessile 1. T. sessile. 



Flower raised on a peduncle 2. T. Overturn. 



1. T. sessile L. var. Californicum Wats. Common Wake 

 Robin. Stems stout, sometimes more than one from the same root; 

 1 to If ft. high; leaves round-ovate, 3£ to 5 in. long, commonly 

 broader than long; sepals shorter than the petals; these narrowly 

 obovate, 1\ in. long, maroon-purple, with white base or varying 

 wholly to white; stamens 10 to 12 lines long. 



Woods of the Coast Ranges; but not in the inner Coast Range. 

 Feb. -May. The flowers are mostly white in the Napa River Basin, 

 especially on Howell Mountain; in the Oakland Hills mostly purple. 

 The var. chloropetalum Torr., with greenish petals, is common on 

 the peninsula of Pt. Reyes in Marin Co. 



2. T. ovatum Pursh. Coast Trillium. Plants 8 or 10 in. high; 

 leaves ovate to round, sometimes disposed to be rhombic, abruptly 

 acute, 1\ to 5£ in. long; peduncle erect; petals oblong-lanceolate 

 to ovate, 1 to \\ in. long, white changing to deep rose-color; sepals of 

 about the same shape and size or narrower; stamens 3 to 6 lines long; 

 capsule broadly ovate, somewhat winged. 



Woods near the coast from Santa Cruz, Mt. Tamalpais and Olema 

 northward. Mar. -Apr. 



19. CLINTONIA Raf. 



Apparently acaulescent, the stem from a creeping rootstock, very 

 short and bearing at or from beneath the ground few broad leaves and 

 a scape-like peduncle. Flowers few to many in a terminal umbel or 

 with 1 to several small supplementary clusters scattered along the 

 peduncle. Perianth resembling a very small lily flower, campanulate, 

 of 6 distinct deciduous segments. Stamens 6, with filiform filaments, 

 inserted on the base of the segments; anthers fixed just above the 

 base, extrorse. Ovary 2 to 3-celled; ovules 2 to 3 in each cell; style 

 slender, slightly 2 to 3-lobed, deciduous. Fruit a smooth ovoid dark- 

 blue berry. (In memory of De Witt Clinton of New York.) 



1. C. Andrewsiana Torr. Leaves commonly 5, sometimes 6, 



