GROSSULARIACEAE. 177 



Hypanthium campanulate. 

 Berry glandular-bristly. 



Leaves glabrous ; fruit spherical. 



Tube of the hypanthium saucer-shaped ; bracts minute, lanceolate to 



linear ; fruit without a bloom. 6. R. coloradense. 



Tube of the hypanthium campanulate ; fruit black with a bloom ; bracts 



conspicuous oblong, spatulate or obovate. 7. R. Wolfii. 



Leaves pubescent and often very glandular ; fruit ovoid ; tube of hypan- 

 thium deeply campantflate. 8. R. viscosissimum. 

 Berry glabrous ; tube of the hypanthium deeply campanulate ; fruit black ; 



bracts persistent. 9. R. floridum. 



Hypanthium tubular. 



Petioles and veins of the leaves with stalked glands. 



10. R. pumilum. 



Petioles and veins with sessile glands or glandless. n. R. inebrians. 

 Leaves convolute in bud, stem unarmed ; hypanthium tubular. 



12. R. longifolium.- 



1. Ribes Purpusi Koehne. In the mountains from Wyo. to N. M. Alt. 

 5000-10,000 ft. Cucharas Valley, near La Veta; Ojo; foot-hills west of Ft. 

 Collins; Sierra Blanca; near Steamboat Springs; West Indian Creek; Villa 

 Grove ; Grand Lake ; Dillon ; mountains between Sunshine and Ward ; 

 Soldier Canon; Horsetooth Gulch; Rist Canon; Dixon Canon; Cheyenne 

 Canon. 



2. Ribes valicola Greene. (R. saxosum Coville; not Hook; R. oxycan- 

 thoides of Coulter's Man.) In the mountains from Mont, and Wash, to Colo, 

 and Calif. Alt. 8000-9000 ft. Upper Canon of the West Mancos ; Los Pinos ; 

 Cerro Summit; Steamboat Springs. 



3. Ribes leptanthum A. Gray. In the mountains from Mont, to Colo, and 

 Ariz. Alt. 6000-10,000 ft. Bob Creek, West La Plata Mountains ; Ute Pass ; 

 foot-hills, Sierra Blanca; Buena Vista; North Cheyenne Canon; Crystal 

 Lake ; Manitou ; South Cheyenne Canon ; Canon City ; Poncha Pass ; Garden 

 of the Gods; Mancos. 



4. Ribes lentum (Jones) Coville & Rose. (R. lacustre molle A. Gray.) In 

 the mountains from Wyo. to Colo, and Calif. Alt. 8000-12,000 ft. Mount 

 Ouray; Windy Point; Lake City; Veta; Georgetown; Cameron Pass; 

 Canon of the Cache la Poudre; near La Plata Post Office; Bob Creek; 

 Pagosa Peak; West Indian Creek; Wahatoya Canon; near Empire; Seven 

 Lakes; four miles west of Cameron Pass; Telluride; Grand Mesa; Cotton- 

 wood Lake; Jack Brook; mountains near Seven Lakes; Pike's Peak; Hahn's 

 Peak; Red Mountain, south of Ouray; headwaters of Clear Creek and alpine 

 ridges east of Middle Park; Empire; near Buffalo Pass, Park Range; 

 Eldora to Baltimore; Berthoud Pass; Graymont. 



5. Ribes parvulum (A. Gray) Rydb. (R. lacustre parvulum A. Gray.) In 

 the mountains from Alb. and Yukon to Colo, and Utah. Alt. 7000-12,000 ft. 

 Black Canon; Ouray; Red Mountain, south of Ouray; Berthoud Pass; 

 Silverton; Big Creek; Anita Peak; Pinkham Creek. 



6. Ribes coloradense Coville. In the mountains from Colo, to N. M. 

 Alt. 9000-11,000 ft Silverton ; Marshall Pass; Slide Rock Canon; near 

 Pagosa Peak; Sangre de Cristo Creek; Silver Plume; Telluride; Twin 

 Lakes; Berthoud Pass; Cameron Pass; Rabbit-Ear Range, Routt Co. 



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