CARDUACEAE. 371 



7. Gnaphalium strictum A. Gray. In wet places from Wyo. to Colo, and 

 Ariz. Alt. 5000-10,000 ft. Buena Vista; Ruxton Dell; below Hot Sulphur 

 Springs; near Pagosa Peak; Denver; Empire; Ft. Collins; Bosworth's ranch; 

 Poudre River ; Twin Lakes ; Ft. Garland ; Georgetown. 



Tribe 4. HELIANTHEAE. 

 40. MELAMPODIUM L. 



i. Melampodium leucanthum T. & G. (M. cinereum A. Gray, in part; 

 not DC.) On dry plains from Colo, to Tex. and Ariz. Alt. 5000-8000 ft. 

 Rocky Ford, Otero Co.; Canon City; near Badito ; Walsenburg; Pueblo; 

 Florence. 



41. PARTHENICE A. Gray. 



i. Parthenice mollis A. Gray. On hillsides along the stream from Colo, 

 to Ariz. " Southern Colorado." 



42. CRASSINA Scepin. ZINNIA. 



Ligules of the rays large, much longer than the disk. i. C. grandiflora. 



Ligules of the rays scarcely longer than the disk. 2. C. anomala. 



1. Crassina grandiflora (Nutt.) Kuntze. (Zinnia grandiflora Nutt.) 

 Plains from Colo, to Tex. and Ariz. Alt. 5000-6000 ft. Pueblo; Trinidad; 

 Walsenburg; Arkansas River; Raton Range. 



2. Crassina anomala (A. Gray) Kuntze. (Zinnia anomala A. Gray) On 

 plains from Colo, to Tex. and Mex. Pueblo. 



43. HELIOPSIS Pers. OX-EYE. 



i. Heliopsis scabra Dunal. On dry soil and river banks from Me. and 

 B. C. to N. M. Alt. 7000-8000 ft. Wahatoya Creek; La Veta. 



44. BRAUNERIA Necker. PURPLE CONE-FLOWER. 



i. Brauneria angustifolia (DC.) Heller. On prairies from Minn, and 

 Mont, to Tex. Exact locality not given. 



45. GYMNOLOMIA H. B. K. 



i. Gymnolomia multiflora (Nutt.) B. & H. On plains and banks of streams 

 from Mont, and Nev. to N. M. and Ariz. Alt. 6000-10,000 ft. Colorado 

 Springs ; Hahn's Peak ; Veta Pass ; southeast of Ouray ; Ironton Park, nine 

 miles south of Ouray; Manitou ; Marshall Pass; Chester; Four-Mile Hill, 

 Routt Co. ; Golden ; near Pagosa Peak ; Lower Boulder Canon, Boulder Co. ; 

 Cerro Summit ; Big Creek Gulch ; between Sunshine and Ward ; Palmer 

 Lake ; Hotchkiss ; Cimarron and Squaw Hill ; La Veta ; Ute Pass ; Steamboat 

 Springs. 



46. RUDBECKIA L. CONE-FLOWER, BLACK-EYED SUSAN. 



Heads radiate ; disk in fruit spherical or oblong. 



Leaves entire or merely toothed; plant hispid. i. R. flava. 



Leaves except the uppermost 3~5-cleft or pinnatifid ; plant glabrous or nearly so. 



Basal leaves and lower stem-leaves pinnately 5-7-divided. 2. R. laciniata. 



Basal leaves and lower stem-leaves palmately ternate. 3. R. ampla. 



Heads discoid ; disk in fruit cylindraceous. 4. R. montana. 



