Rydberg: Studies on the Rocky Mountain flora 485 



3-ribbed, 5-7 cm. long, the lowest entire, linear, the upper 3-cleft; 

 bracts broadly cuneate in outline, 5-7-cleft, canescent, the lower 

 grayish green, the upper tinged with yellow and often brown- 

 tipped; calyx canescent, 2.5 cm. long, equally cleft above and 

 below, each lobe 2-cleft; corolla greenish yellow; upper lip 9 mm. 

 long; the lower about 3.5 mm. long, slightly saccate. 



It may be related to the C. hispida group, but the plant is 

 grayish strigose, and the bracts yellow-tinged. 



Idaho: Beaver Canyon, June 28, 1895, C. L. Shear 3041 (type, 

 in herb. N. Y. Bot. Gard.); also 3038; mountains near Indian 

 Creek, July 21, 1897, Rydberg & Bessey 4969 (at least in part). 



Euphrasia mollis (Ledeb.) Wettst. has been collected in Mon- 

 tana; Pedicularis lanata Willd. and P.fiammea L. in the Canadian 

 Rockies; P. Oederi Vahl in Montana and P. centranthera A. Gray 

 in Utah and Colorado. 



OROBANCHACEAE 



Thalesia purpurea Heller, T. minuta (Suskd.) Rydb. and T. 

 Sedi (Suksd.) Rydb. have been collected in Montana and northern 

 Idaho, and Myzorrhiza pinetorum (Geyer) Rydb. in Idaho. 



LOBELIACEAE 



Howellia aquatilis A. Gray and Heterocodon rariflorum Nutt. 

 have been collected in Idaho and Nemacladus ramosissimus Nutt. 

 in south Utah. 



New York Botanical Garden. 



