260 ERICACEAE. 



Arkansas Junction near Leadville; Dillon; Idaho Springs; South Cheyenne 

 Canon; mountains north of Cascade; West Mancos Canon; mountains, Lari- 

 mer Co.; Golden; west of Ft. Collins; Stove Prairie, Larimer Co.; Pike's 

 Peak; Manitou; Eldora; mountains between Sunshine and Ward; Bear 

 Creek Canon. 



2. GAULTHERIA L. CREEPING WINTERGREEN. 



i. Gaultheria humifusa (Graham) Rydb. (Vaccinium humifusum Graham; 

 Gaultheria Myrsinitis Hook.) On wooded hillsides from Mont, and B. C. 

 to Colo, and Calif. Alt. about 11,000 ft. Buffalo Pass, Park Range; head- 

 waters of Clear Creek ; summit of North Park Range, Larimer Co. 



3. KALMIA. AMERICAN 01 SWAMP LAUREL. 



i. Kalmia microphylla (Hook.) Heller. (K. glauca micro phylla Hook.) 

 In mountain swamps from Alb. and Alaska to Colo, and Calif. Alt. 10,000- 

 11,000 ft. Caribou; Long's Peak; Buffalo Pass; summit of North Park 

 Range, Larimer Co. 



4. PHYLLODOCE Salisb. 



i. Phyllodoce empetriformis (Smith) Don. Swamps and mountain sides 

 from Alaska to northern Calif., Colo, and Alb. Alt. up to 11,000 ft. Grizzly 

 Gulch, near Gray's Peak. 



Family 104. VACCINIACEAE Lindl. HUCKLEBERRY FAMILY. 

 i. VACCINIUM L. BLUE-BERRY, HUCKLEBERRY, BILBERRY. 



Branches not angled. i. V. caespitosum. 



Branches angled. 



Fruit purplish-black ; leaves over i cm. long. 2. V. oreophilum. 



Fruit bright red; leaves usually less than i cm. long. 3. V. erythrococcum. 



1. Vaccinium caespitosum Michx. In arctic and alpine regions from Lab. 

 and Alaska to N. H., Colo, and Wash. Alt. 8000-12,000 ft. Headwaters of 

 Clear Creek, near Empire; Middle Park; Mirror Lake; Tennessee Pass, 7 

 miles west of Leadville; Damfino Creek; Cameron Pass; Leroux Creek; El- 

 dora to Baltimore; Buffalo Pass; summit of North Park Range, Larimer Co. 



2. Vaccinium oreophilum Rydb. (V. Myrtillus A. Gray; not L.) In woods 

 from Alb. and B. C. to N. M. Alt. 8000-12,000 ft. Front Range, Larimer 

 Co.; Bob Creek, West La Plata Mountains; near Pagosa Peak; Keblar Pass; 

 East Indian Creek; mountain near Veta Pass; Valley Spur; Red Mountain, 

 south of Ouray; head of Bear Creek; Beaver Creek. 



3. Vaccinium erythrococcum Rydb. (V. Myrtillus micro phyllum Hook.) 

 On hillsides from Alb. and B. C. to Colo, and Calif. Alt. 8500-12,000 ft. 

 Headwaters of Clear Creek, near Empire; Alpine Tunnel; Little Veta Moun- 

 tain; Beaver Creek; above Cameron Pass; Baltimore; Buffalo Pass; summit 

 of North Park Range, Larimer Co. 



