General Key to the Families 



TRIBE LILIES 

 VI. LiLiUM. (Tourn.) L. 



1. L. montanum. A. Nels. Mountain Lily. 



2. L. columbianum. Hansen. Western Lily. 

 VII. Fritillaria. L. 



I. F. pudica. Yellow Fritillary. 

 VIII. Erythronium. L. 



1. E. grandiflorum. Pursh. Yellow Adder's Tongue, 



2. E. grandiflorum var. parviflorum. Watson. Small 



Yellow Adder's Tongue. 



3. E. montanum. Watson. Mountain Adder's Tongue. 

 IX. Calochortus. Pursh. 



1. C. macrocarpus. Dougl. Green-banded Mariposa. 



2. C. Lyallii. Baker. Pale Mariposa. 



TRIBE POLYGONATE^ 

 X. Clintonia. Raf. 



I. C. uniflora. Kunth. Queen-cup. 

 XI. Smilacina. Desf. 



1. S. amplexicaulis. Nutt. False Solomon's Seal. 



2. S. stellata. Desf. Star-How ered Solomon's Seal. 

 XII. Disporum. Salisb. 



1. D. trachycarpum. B. and H. Fairy Bells. 



2. D. oreganum. B. and H. Woolly Disporum. 



XIII. Streptopus, Michx. 



1. S. amplexifolius. (L.) DC. White Twisted-stalk. 



2. S. roseus. Michx. Pink Twisted-stalk. 



XIV. Kruhsea. 



I. K. streptopoides. (Ledeb.) Kearney. Short-stemmed 

 Twisted-stalk. 



XVII. IRIDACE^. IRIS FAMILY 



Herbs with rootstocks, tubers or corms ; leaves equitant, sheath- 

 ing, linear, two-ranked; flowers regular or irregular, perfect, from 

 a spathe of two or more leaves or bracts; fruit three-celled, many- 

 seeded. 



