244 



EPIPACTIS GIGANTEA, Dougl. 

 San Juan Valley. 



PROSARTES TRACHYOARPA, Watson, King's Rep., 344. 

 Sierra Sangre de Cristo and abundant iu the La Plata Mountains. 



ALLIUM ACUMINATUM, Hook. 

 La Plata and Aniinas Valleys, 8,000 feet. 



YUCCA BACCATA, Torrey. 



Southwestern Colorado common at 8,000 feet altitude ; growing at 

 a higher altitude than Y. angustifolia, 



FESTUCA TENELLA, Willd. 

 Canon City. 



STIPA PENNATA, L. 

 Canon City. 



ORYZOPIS ASPERIFOLIA. MX. 

 Piedra Mountains, 9,000 feet. 



GLYCERIA NERVATA, Trin. 

 Wet Mountain Valley. 



AlRA FLEXUOSA, L. 



Alpine Sierra Sangre de Cristo. 



EATONIA OBTUSATA, Gray. 

 Xear Canon City. 



SETARIA CAUDATA, Roein. & Schultz. 

 Canon City. 



BOUTELOUA ERIOPODA, Torrey. 

 San Juan Valley. 



BOUTELOUA POLYSTACHYA, Torrey. 

 San Juan and Mancos Valleys. 



MELICA STRICTA, Boland. 

 Parrott City, 8,500 feet. 



ERAGROSTIS PO^OIDES, Beauv., var. megastachya, Gray. 

 Canon City introduced. 



TRICUSPIS PULCHELLA, Torrey. 

 San Juan Valley. 



CALAMAGROSTIS LANGSDORFFJI, Trin. 

 Parrott City. 



ANDROPOGON JAMESII, Torr. 

 San Juan Valley. 



The following is a list of plants seen growing in Southwestern Colo- 

 rado on the plains of the western slope below an altitude of 8,000 feet 

 As those of the higher altitudes are generally found throughout 'the 



