322 RUBIACEAE. 



Leaves obovate to broadly oblong-obovate, somewhat fleshy. 



Petals almost i mm. long ; pedicels and generally also stem glabrous. 



6. G. Brandegei. 

 Petals about 0.5 mm. long ; pedicels and stem more or less scabrous. 



7. G. subbiflorum. 

 Leaves linear-oblong or linear-oblanceolate. 8. G. trifidum. 



Leaves cuspidate-pointed. 



Stem retrorse-bristly ; pedicels scarcely exceeding the bracts. 



9. G. ftaviftorum. 

 Stem glabrous or sparingly hirsute ; pedicels much exceeding the small bract. 



10. G. triflorum. 

 Flowers in ours dioecious ; fruit with long hairs, not uncinate ; perennials. 



11. (P. coloradense. 



1. Galium Aparine L. In shady places from N. B. and Alaska to Fla. and 

 Calif. ; also in Europe and Asia. Alt. 4000-6000 ft. Horsetooth Gulch ; Rist 

 Canon; Ft. Collins; foot-hills, Larimer Co. 



2. Galium Vaillantii DC. (G. Aparine Vaillantii Koch.) Among bushes 

 and in shady places from Mont, and B. C. to Mex. Alt. 5000-8000 ft. 

 Spring Canon; Rist Canon; butte, 5 miles southwest of La Veta. 



3. Galium proliferum A. Gray. On stony hills from Colo, to Tex. and 

 N. M. ; also Mex. Locality not given. 



4. Galium bifolium S. Wats. In wet places in the mountains from Mont. 

 and Wash, to Colo, and Calif. Alt. about 7500 ft. Honnold; Steamboat 

 Springs. 



5. Galium boreale L. On rocky banks and hillsides, especially among 

 bushes, from Que. and Alaska to N. J., Mo., Colo, and Calif. Alt. 4000- 

 10,000 ft. Rist Canon ; foot-hills, Larimer Co. ; Hotchkiss ; Baxter's ranch ; 

 Barnes' Camp; Table Rock; Ft. Collins; Stove Prairie Hill; gulch west of 

 Pennock's; Pike's Peak; west of Ouray; Dillon; Veta Pass; Parlin; Gun- 

 nison; Minnehaha; Pagosa Springs; Grayback mining camps and Placer 

 Gulch ; Narrows ; Andrews' Shetland ranch ; Four-mile Hill, Routt Co. ; Man- 

 cos ; Golden ; Clear Creek Canon ; North Cheyenne Canon ; Bear Creek Canon ; 

 Cumbres ; Moon's ranch ; Glenwood Springs ; between Sunshine and Ward ; 

 Fish Creek Falls. 



6. Galium Brandegei A. Gray. In moist ground from Wyo. to N. M. and 

 Calif. Alt. 6000-10,000 ft. Columbine; twelve miles below Grand Lake; 

 Steamboat Springs ; Chambers' Lake. 



7. Galium subbiflorum (Wieg.) Rydb. (G. trifidum subbiflorum Wieg.) 

 In cold bogs and wet places from. Minn, and Ida. to Colo, and Calif. Alt. 

 8000-10,000 ft. Beaver Creek; Empire. 



8. Galium trifidum L. In swamps and wet meadows from Newf. and Ida. 

 to Colo, and Utah. Alt. up to 8000 ft. Parlin; Beaver Creek. 



9. Galium flaviflorum Heller. In canons of Colo, and N. M. Alt. 7500- 

 8500 ft. Box Canon, west of Ouray. 



10. Galium triflorum Michx. In open woods from Newf. and Alaska to Ala. 

 and Calif. Alt. 6000-9000 ft. Boulder Canon; Red Mountain road, south of 

 Ouray; Ruxton Brook; headwaters of Pass Creek; near Pagosa Peak; Col- 

 umbine ; vicinity of Pine Grove ; Bosworth's ranch ; Four-mile Hill ; Ouray. 



11. Galium coloradense Wright. (G. Mathewsii A. Gray, in part) On 

 arid grounds in southern Colo. Alt. 7000-8000 ft. Black Canon; Mesa 

 Verde; Mancos; Glenwood Springs. 



