KEY TO THE SPECIES 11 



1. Calochortus Nuttallii T. & G. (Nuttall's Mariposa Lilt). Stem 2-4 

 dm. high ; leaves few ; flowers 1-5 ; the outer perianth segments lanceolate, 

 shorter than the inner ; the inner obovate-cuneate, white or lilac, with a purple 

 spot above the yellow base, densely hairy around the circular gland ; filaments as 

 long as the sagittate anthers ; capsule acuminate. Moist or dry ground, in the 

 mountains. 



♦ « 



Anthers acute. 



2. Calochortus Gunnisoni Wats. (Gunnison's Mariposa Lilt). Very simi- 

 lar but usually smaller ; outer perianth segments scarious margined, inner white 

 or lilac with a yellow base ; gland transverse, oblong or reniform, hairy ; capsule 

 narrowed at both ends. Mostly inflry ground, in the mountains. 



7. YUCCA 



Leaves crowded on the short, thick, woody rootstock, linear, rigid, and 

 dagger-pointed ; flowers large, racemed on the thick scape-like stems, nodding, 

 bell-shaped ; stamens with thick filaments and small versatile anthers'; ovary ses- 

 sile ; capsule large, incompletely 6-celled. 



1. Yucca glaaca Nutt. (.Spanish Batonet. Soap-Weed. Bear-Grass). 

 Leaves with numerous thread-like filaments on the margin ; flowers yellowish or 

 greenish-white ; segments thick, ovate, 2-3 cm. long ; fruit erect, large, broadly 

 oblong, somewhat 6-sided ; seeds black and thin. Frequent on dry hillsides. 



VIII. CONVALLARIACEiE (Lilt-of-the-Valley 

 Family) 



Herbs with leafy or scapose stems, from true rootstocks ; 

 leaves broad, parallel-veined (in ours) ; perianth segments dis- 

 tinct or united ; styles 1 or 3 ; fruit a fleshy berry. 



» Flowers racemed. 



1. Vagnera. Baceme terminal on a leafy stem. 

 » » Flowers solitary or two together. 



2. OispoTain. Peduncles straight. 



3. Streptopus. Peduncles bent or twisted near the middle. 



1. VAGNERA (False Solomon's Seal) 



Stems slender, 1-3 dm. high ; leares scale-like below ; inflorescence a terminal 

 raceme or panicle ; flowers small, white or shading to green ; perianth segments 

 similar, spreading ; anthers versatile ; fruit a berry. 



* Flowers in a raceme. 



1. Vagnera stellata (L.) Morong (Star-plowered Solomon's Seal). Stem 

 smooth, 1-4 dm. high ; leaves smooth above, minutely pubescent below, oblong- 

 lanceolate, sessile and somewhat clasping, 3-8 cm. long, usually folded on the mid- 

 rib ; filaments shorter than the perianth ; berry at first green with dark stripes, 

 becoming red when ripe. Tn moist woods and meadows. 



* * Flowers panicled. 



