56 CONVALLARIACEAE 



4. KRUHSEA Kegel. l. K. streptopoides . 



5. DiSPORUM Salisb. 



stigma 3-cleft; fruit deeply lobed, obtuse, papillose. 1. D. tr achy car pum. 



Stigma entire; fruit acutish, not papillose, but often pubescent. 2. D. oreganum. 



6. POLYGONATUM (Toiirn.) Hill. Solomon's Seal. i. P. commutatum. 



7. CLINTONIA Raf. . l. C. uniflora. 



Family 23. DRACAENACEAE. Yucca Family. 



Flowers perfect, large; ovary many-ovuled and fruit many-seeded. 



Styles evident; petals and sepals thin, petaloid, spreading in anthesis. 



1. Yucca. 



Styles wanting: petals and sepals thick, inflexed. 2. Clistgyucca. 



Flowers polygamo-dioecious; ovules 2 in each cell, but capsule often 1-seeded. 



3. NOLINA. 



1. YUCCA (Rupp.) L. Yucca, Spanish Bayonet, Soap-weed, Soap-root, 



Grass Cactus. 



Fruit a dry capsule. 



Leaves narrowly linear, very long. 



Style stout, swollen, green. 1. Y. glauca. 



Style not swollen, white. 2. Y. angustissima. 



Leaves linear-lanceolate, short; style not swollen, white. 



Leaves not papillose. 3. Y. Harrimaniae. 



Leaves densely rough-papillose at least on the back. 4. Y. Gilbertiana. 



Fruit fleshy. 5. Y. baccata. 



2. CLISTOYtJCCA (Engelm.) Trelease. Joshua Tree. l. C. hrevifoUa. 



3. NOLINA Alichx. l. N. Greenei. 



Family 2-4. CALOCHORTACEAE. Mariposa Lily Family. 



1. CALOCHORTUS Pursh. Sego Lily, Mariposa Lily, 

 Butterfly Lily. 



Capsule winged. 



Petals 1..5-2.5 cm. long, strongly arched and broadly pitted; leaves single; scape 1-4- 

 flowered; bracts lanceolate. 

 Stem 1-2 dm. high; gland broad. 1. C. elegans. 



Stem 3-4 dm. high; gland very small. 2. C. apiculatus. 



Petals 2. .5-4 cm. long, less arched, not pitted; leaves usually 2; bracts linear. 



Purple spot of the petals lune-shapcd, broader than long. 3. C pavonaceus. 



Purple spot of the petals almost orbicular. 4. C. eurycarpus. 



Capsule not winged. 



Flowers white or lilac. 



Petals abruptly acuminate; gland oblong. 



Petals lilac, purplish, or Light blue, with greenish midvein. 5. C. mncrocarpus. 

 Petals cream-colored, tinged with purple and sometimes with a purplish spot. 



6. C. acuminatus. 

 Petals rounded or merely acute at the apex. 



Anthers acute; gland broader than long. 7. C. Gunnisonii. 



Anthers obtuse; gland not broader than long. 



Stem eiect, bulbiferous near the base. 8. C. Nuttallii. 



Stem flexuose, not bulbiferous. 9. C. flexuostis. 



Flowers yellow. 10. C. aureus. 



Family 25. TRILLIACEAE. Trillium Family. 



1, TRILLIUM L. Wake-robin, Birth-root. 



Flowers sessile; leaves long-petioled ; blades rounded. 1. T. petiolatum- 



Flowers peduncled; leaves subsessile, rhombic. 2. T. ovatum. 



Family 26. SMILACACEAE. Smilax Family. 

 1. NEMEXIA Raf. Carrion Flower, Smil.\x. l. N. lasioneuron. 



Family 27. AMARYLLIDACEAE. Amaryllis Family. 



Perennial herbs, with fleshy leaves (often spiny-toothed), clustered on the caudex; 

 anthers versatile; flowers in spikes or panicles. 1. Agave. 



