296 LAMIACEAE. 



3. SCUTELLARIA L. SCULLCAP. 



Perennials with horizontal rootstock. 



Leaf-blades lanceolate or ovate, more or less distinctly toothed, at least the 



lower ones. L 5-. galericulata. 



Leaf-blades entire or nearly so, oval, oblong or linear. 2. S. Brittoni. 



Perennials with a woody caudex. 3. 5 1 . resinosa. 



1. Scutellaria galericulata L. Along streams and in swamps from Newf. 

 and Alaska to N. C. and Ariz. Alt. 4000-8000 ft. Gunnison ; near Ouray; 

 along Poudre; Ft. Collins; Mason's river-front farm; Alamosa; Andrew's 

 Shetland ranch; Gunnison; Boulder; Estes Park, Larimer Co.; Ft. Collins. 



2. Scutellaria Brittoni Porter. On hillsides and river valleys from Wyo. 

 to Colo. Alt. 5000-10,000 ft. Eldora to Baltimore; Boulder; Fossil Beds; 

 foot-hills near Boulder; Pike's Peak; near Denver; Green Mountain Falls; 

 near Pike's Peak; Cucharas River below La Veta; New Windsor, Weld Co.; 

 Ft. Collins; Ute Pass; Howe's Gulch; Dillon Canon, Trinidad; Manitou; 

 Dixon Canon; Horsetooth Gulch; Spring Canon; Soldier Canon; Cache la 

 Poudre; Table Rock. 



Scutellaria Brittoni virgulata (A. Nels.) Rydb. (S. virgulata A. Nels.) 

 A luxuriant variety with larger and thinner leaves. Veta Pass; West 

 Spanish Peak; Dillon Canon. 



3. Scutellaria resinosa Torr. On plains and hills from Kans. and Colo, 

 to Tex. and Ariz. " Plains of Colorado." 



4. MARRUBIUM L. WHITE HOARHOUND. 



i. Marrubium vulgare L. In waste places from Me. and B. C. to N. C. 

 and Calif. ; naturalized from Europe. Ft. Collins. 



5. AGASTACHE Clayt. GIANT-HYSSOP. 



Calyx-lobes ovate-lanceolate, acute. 



Leaves glaucous beneath ; calyx tinged with blue ; stem glabrous. 



i. A. anethiodora. 

 Leaves not glaucous beneath ; calyx green, yellowish or rarely pinkish ; stem 



puberulent. 2 . A. pallidiflora. 



Calyx-lobes elongated lanceolate, acuminate, rose-tinged. 3. A. urticifolia. 



1. Agastache anethiodora (Nutt.) Britton. (Lophanthus anisatus Benth.) 

 Among bushes from Ont., Mackenzie River, and Alb. to Neb. and Colo. 

 Alt. 3700-7000 ft. Rist Canon, Larimer Co.; Dome Rock in Platte Canon; 

 mountains, Larimer Co.; Bosworth's Ranch, Stove Prairie. 



2. Agastache pallidiflora (Heller) Rydb. (Brittonastrum pallidiflorum 

 Heller; B. Greenci Briquet; A. montana Greene) In the mountains from 

 Colo, to N. M. and Ariz. Alt. up to 9000 ft. Near Pagosa Peak. 



3. Agastache urticifolia (Benth.) Kuntze. (Lophanthus urticifolius Benth.) 

 On hillsides and valleys from Mont, and Wash, to Colo, and Calif. Alt. 

 7000-8500 ft. Four-mile Hill, Routt Co.; Glenwood Springs, Garfield Co.; 

 Sierra Madre Range; Hamor's Lake, above Durango; Cerro Summit; Hon- 

 nold ; divide road to Steamboat Springs ; Red Mountain road south of Ouray ; 

 Ouray; Steamboat Springs; summit of North Park Range, Routt Co. 



