liliace^:. 315 



white changing to rose-purple, little surpassing the sepals: stigmas 

 slender, sessile: capsule ovate, winged, J^ — % in. long. — Coast Eange, 

 in open woods. April. 



9. ZYGADENUS, Michx. Scape-like racemose stem and narrow 

 carinate leaves from a tunicated bulb. Flowers greenish white, ascending 

 or spreading on slender pedicels. Perianth nearly rotate; segments 

 ovate to oblong-lanceolate, with a more or less pronounced green gland- 

 ular spot at the mostly short-unguiculate base of the segments. Stamens 

 5, on the base of the segments; filaments subulate; anthers cordate 

 before opening, peltate afterwards. Capsule of 3 nearly distinct and 

 follicle-like cells. Seeds brownish, angled. 



1. Z. speciosns, Dougl. Bulb oblong, 1 — 2 in. long: leaves light 

 green, often 1 in. wide toward the base: stem stout, 1 — 4 ft. high, the 

 ample subpyramidal raceme single, or with two or more accessory ones; 

 lower pedicels 1-3 in. long: perianth free from the ovary, rotate, % in. 

 broad; outer segments not unguiculale ; inner abruptly narrowed to a 

 broad claw, all oblong-ovate, obtusish, the greenish yellow gland toothed 

 on its upper margin by running into the strong elevated nerves of the 

 segment: stamens nearly free, shorter than the segments: capsule 1 in. 

 long. Var. minor (H. & A.). Seldom 6 or 8 in. high, simple, few-flow- 

 ered: perianth larger; segments more oblong. — Type plentiful on bushy 

 hills; the variety only in wet open ground, on the San Francisco 

 peninsula. Feb. — April. 



2. Z. venenosus, Wats. Bulb oblong-ovate, small: stem slender, 

 1 — 2 ft. high: leaves narrowly linear, scabrous on the margin: raceme 

 mostly simple, short; perianth-segments % in. long, all contracted abruptly 

 to a short claw; blade rounded or subcordate at base; gland ending 

 above in a well defined irregular line: stamens as long as the perianth- — 

 Moist banks, and borders of boggy places, in Marin Co. May — July. 



10. XEROPHYLLUM, Michx. Erect and simple-stemmed peren- 

 nials, with thick lignescent rootstock and numerous narrow hard and 

 dry serrulate leaves. Flowers many, white, in a dense raceme. Peri- 

 anth of 6 distinct spreading oblong-lanceolate nerved persistent segments. 

 Stamens at base of segments; filaments subulate-filiform; anthers 

 rounded, dehiscent laterally. Ovary ovate, 3-lobed; styles 3, distinct, 

 stigmatic on the inside, reflexed or recoiled, persistent. Capsule charta- 

 ceous. Seeds oblong, with thin wrinkled light-colored testa. 



1. X. tenax (Pursh), Nutt. Badical leaves 2—3 ft. long, 2 lines 

 wide, rigid: stem 2—5 ft. high, its scattered ascending gradually reduced 

 leaves dilated at base: raceme 1—2 ft. long; lower bracts foliaceous and 

 toothed, upper scarious: pedicels 1—2 in. long: fl. fragrant; segments 

 5 lines long, stamens somewhat longer. — Toward the summit of Mt. 

 Tamalpais. 



