36 KEY AND FLORA 



axils, on slender, simple or forked peduncles, bell-shaped, greenish 

 white, with the divisions recurved at tip. Fruit a round berry 

 with 3 cells and many seeds. 



S. amplexifolius DC. Stems 2-3 ft. high. Leaves heart-shaped 

 at base, 2-5 in. long, rough on the margins. Perianth about lialf 

 an inch long. This is found in damp, shady places from northern 

 California to Washington. It blooms in the spring. 



XVII. TRIL'LIUM, Wake Robin 



Stems erect, naked up to the three leaves which are in a 

 whorl under the flower. Leaves netted-veined, large and 

 broad. Perianth withering, but not falling. Outer divisions 

 (sepals) greenish, inner (petals) colored. Filaments short. 

 Anthers long, erect. Stigmas sessile on the sessile ovary. 



a. T. ses'sile L. Leaves broad, round-ovate, often mottled with 

 reddish brown, crowded. Flowers and leaves sessile. Petals white, 

 rose-color, deep wine-color, or greenish yellow. This is common in 

 woods near the coast. It is exceedingly variable in the size and 

 shape of the leaves and parts and color of the flowers. 



h. T. ova'tum Pursh. Leaves on short petioles, ovate, acute or 

 pointed. Flowers on a peduncle from 1 to 3 in. long. Petals white, 

 turning rose-color as they fade. This has the same range as the 

 preceding, but is usually earlier and less common. 



c. T. petiola'tum Pursh. Stem short. Leaves ovate to kidney - 

 shaped, ivitk petioles equaling or longer than the blade. Flowers sessile. 

 Petals narrowly oblanceolate, a little longer than the sepals, dull 

 purple. This is found through Oregon and Washington. 



AMARYLLIDA'CE^. Century Plant Family 



Mostly smooth perennial herbs, sending up from the root a 

 scape and leaves which show no distinction between petiole 

 and blade. Stamens 6. Tube of the 6-parted perianth adnate 

 to the 3-celled ovary. Capsule 3-celled, several or many seeded. 

 The Chinese Sacred Lily, the Narcissus, Jonquil, and Daffodils 

 belong to this family. 



