94 UNIVERSITY OF MISSOURI STUDIES [242 



98. ASPARAGUS L. 



270. A. officinalis L. COMMON ASPARAGUS. 



A common escape throughout the cultivated district, 

 5100-6000 ft. (Daniels, 114). 

 EUROPE, thence to NORTH AMERICA. 



Family 23. DRACAENACEAE Link. Dragon-tree family. 



99. YUCCA L. SPANISH BAYONET. 



271. Y. glauca Nutt. [Y. angustifolia Pursh]. NARROW- 

 LEAVED SPANISH BAYONET. 



Common in the plains, mesas, and foothills; just north of 

 the entrance to Bear Canon it forms the main facies of the 

 vegetation, 5100-6500 (Green Mt.) ft. (Even higher I think 

 on the first line of hills). (Daniels, 39). 



NEBRASKA to MONTANA; MISSOURI to TEXAS and ARIZONA. 



Family 24. CALOCHORTACEAE Rydb. Mariposa lily family. 



100. CALOCHORTUS Pursh. MARIPOSA LILY. 



272. C. Gunnisonii S. Wats. GUNNISON'S MARIPOSA LILY. 

 Common in the mesas and mountain meadows, 5600- 



10000 ft. (Daniels, 53). At Ward occurs the forma imma- 

 culatus Cockerell (Cockerell). 



MONTANA to COLORADO and ARIZONA. 



Family 25. SMILACEAE Vent. Greenbrier family. 



101. NEMEXIA Raf. CARRION FLOWER. 



273. N. lasioneuron (Hook.) Rydb. [Smilax lasioneuron 

 Hook.; N. herbacea melica A. Nelson]. WESTERN CAR- 

 RION FLOWER. 



Canons in the mesas and foothills; especially frequent in 

 gulches on the east slope of Flagstaff Hill, 5700-7000 ft. 

 (Daniels, 224). The type locality of N. herbacea melica A, 

 Nelson. 



SASKATCHEWAN to NEBRASKA and COLORADO. 



