CARDUACEAE. 
381 
5. Hymenoxys helenioides (Rydb.) Cockerell. ( Picradenia helenioides 
Rydb.) In river valleys of southern Colo.—Alt. 8000-9000 ft.—Sangre de 
Cristo Creek. 
6. Hymenoxys multiflora (Buckley) Rydb. ( Phileozera multiflora Buck- 
ley; Picradenia multiflora Greene) Dry plains from Kans. and Colo, to Tex. 
and Ariz.; also northern Mex. In Colorado represented by var. Osterhoutii 
(Cockerell) Rydb. ( H . chrysanthemoides Osterhoutii Cockerell).—Apishapa 
Creek, Otero Co. 
71. FLAVERIA Juss. 
1. Flaveria angustifolia (Cav.) Pers. In alkaline soil from Colo, to Tex. 
and N. M.; also Mex.—Alt. about 4600 ft.—Grand Junction. 
72. DUGALDIA Cass. 
1. Dugaldia Hoopesii (A. Gray) Rydb. ( Helenium Hoopesii A. Gray) In 
mountain valleys from Wyo. to N. M. and Calif.—Alt. 7000-12,000 ft.— 
Mountains above Ouray; Crested Butte; Leroux Creek; Red Mountain; 
Breckenridge; Veta Pass; Westcliffe; Ironton Park, nine miles south of 
Ouray; Sangre de Cristo Creek; Grayback mining camps; Ironton, San Juan 
Co.; along carriage road to Pike’s Peak; near Pagosa Peak; Trappers’ Lake; 
Cripple Creek; La Plata Canon; Gore Pass; Mancos; Leroux Creek delta; 
Hahn’s Peak; Lake City. 
73. HELENIUM L. Sneeze-weed. 
1. Helenium montanum Nutt. ( H. autumnale A. Gray, in part; not L.) 
In meadows from Minn., Sask. and Wash, to Miss, and Colo.—Kremmling. 
74. GAILLARDIA Foug. 
Lobes of the disk-corollas acute. 1. G. aristata. 
Lobes of the disk-corollas short and broad, obtuse. 2. G. pinnatifida. 
1. Gaillardia aristata Pursh. On hills and plains from Sask. and B. C. to 
Colo, and Ore.—Alt. 4000-8000 ft.—Glenwood Springs; Larimer Co.; Horse- 
tooth Gulch; Rist Canon; Westcliffe; Veta Pass; Idaho Springs; foot-hills 
west of Ft. Collins; Empire; Boulder; Soldier Canon; Monument; hill north¬ 
west of Soldier Canon; Spring Canon; Redstone; forks of the Poudre and 
Big South; Dixon Canon; Stove Prairie Hill; Narrows; Table Rock. 
2. Gaillardia pinnatifida Torr. On dry plains from Colo, to Tex. and Ariz. 
—Alt. 4000-6000 ft.—Deer Run; Durango; Walsenburg; Grand Junction. 
75. BOEBERA Willd. Fetid Marigold. 
1. Boebera papposa (Vent.) Rydb. ( Dysodia chrysanthemoides Lag.) On 
prairies, river valleys, roadsides and waste places from Ohio and Mont, to 
Ark. and Ariz.; also Mex.—Alt. 4000-7000 ft.—Cucharas Valley, near La 
Veta; Ft. Collins; Minnehaha; Boulder; Lyons; Colorado Springs; North 
Cheyenne Canon. 
76. LOWELLIA A. Gray. 
1. Lowellia aurea A. Gray. ( Hymenatherum aureum A. Gray) On plains 
from Colo, to Texas.—Rocky Ford, Otero Co.; Canon City; Pueblo; Huer¬ 
fano ; Colorado Springs; Denver. 
