LAMIACEAE. 299 



i6. HEDEOMA Pers. Pennyroyal. 



Calyx-teeth about equal in length ; floral leaves spreading or reflexed, hispid-ciliate. 



1. H. hispida. 

 Calyx-teeth of the lower lip much longer than those of the upper ; floral leaves 



mostly erect, cinereous-hispidulous. 

 Floral leaves longer than the subtended calyces; plant 1.5-4 dm. high. 



2. H. sancta. 

 Floral leaves scarcely exceeding the subtended calyces; plant i-i.S dm. high. 



3. H. nana. 



1. Hedeoma hispida Pursh. In sandy soil from Ills, and Ass. to Ky and 

 Colo. — Golden. 



2. Hedeoma sancta Small. {H. Drummondii A. Gray, in part; not Benth.) 

 On dry plains from Colo, to Tex. and N. Mex. — Alt. 4000-8000 ft. — Durango ; 

 Manitou; Glen Eyrie; Dolores. 



3. Hedeoma nana (Torr.) Greene. (H. dentata nana Torr. ; H. Drum- 

 mondii A. Gray, in part) On dry plains and hills from Colo, and Utah to 

 Tex. and Ariz. — Alt. 5000-7000 ft.- — Manitou ; Fossil Creek ; between Hotch- 

 kiss and Smith's Fork; Durango. 



17. CLINOPODIUM L. Basil- weed. 



I. Clinopodium vulgare L. In thickets from N. S. and Colo, to N. C. and 

 N. M. — Alt. up to 10,000 ft. — Sierra Madre; Steamboat Springs. 



* 



18. MADRONELLA Greene. 



Bracts thin and pale, oval to orbicular. i. M. parvifolia. 



Bracts thick, resembling the leaves, lanceolate or ovate-lanceolate, obtuse. 



2. M. dentata. 



1. Madronella parvifolia (Greene) Rydb. (Monardella parvifolia Greene) 

 In canons of Colo. — Alt. about 7000 ft. — Black Caiion. 



2. Madronella dentata Rydb. (Monardella dentata Rydb.) On mountains 

 of Colo. — Gray's Peak. 



19. LYCOPTJS L. Water Hoar-hound. 



Stem and lower surface of the leaves densely and finely pubescent, the former 

 often velvety. i. L. velutinus. 



Stem sparingly and coarsely pubescent or glabrous ; leaves glabrous or nearly so. 

 Leaves merely coarsely serrate. 2. L. lucidus. 



Leaves sinuately pinnatifid. 3- L. americanus. 



1. Lycopus velutinus Rydb. In wet places among bushes from Ark. and 

 Colo, to Tex. — Base of the Rocky Mountains. 



•z. Lycopus lucidus Turcz. In wet soil, especially in woods and thickets 

 from Neb. and B. C. to Colo, and Calif.— Alt. 4000-5000 ft.— Ft. Collins; 

 Mason's river-front farm; Poudre fiats. 



3. Lycopus americanus Muhl. (L. sinuatus Ell.) In swamps and wet 

 meadows from Newf. and B. C. to Fla. and Calif.— Alt. 4000-7000 ft.— Tim- 

 nath, Larimer Co. ; Cheyenne Mountain ; New Windsor, Weld Co. ; Table 

 Rocks; Redstone; Ft. Collins; Poudre flats; Boulder. 



