254 PHANEROGAMOUS PLANTS. 



Territory. Stem 2 to 4 feet high. Flowers at first in short crowded 

 racemes, which are finally elongated and interrupted, bright purple 

 and rather showy. Petals somewhat emarginate and erosely denticu- 

 late at the summit. Calyx nearly smooth without. Capsule nearly 

 glabrous. Carpels slightly mucronate. S. Oregana differs only in 

 its smaller flowers, shorter and broader calyx-lobes, and strongly 

 emarginate petals; and there are intermediate forms. 



2. MALVASTRUM, Gray. 

 1. Malvastrum Munroanum, Gray. 



Malvastrum Munroanum, Gray, PI. Fencll. p. 21. 



Malva Munroana, Dougl. iu Bot. Reg. t. 1306, Hook. Fl. Bor.-Amer. 1, p. 106 ; 



Torr. & Gray, Fl. 1, p. 226. 

 M. fasciculata, Nutt. iu Torr. & Gray, Fl. 1. c. 

 Nuttallia Munroana, Nutt. in Jour. Acad. Phil. 7, p. 16. 



Hab. Upper Columbia, and valley of the Kooskooskee. — Whole 

 plant pulverulent and grayish pubescent. Stems branching, 1 to 3 

 feet high. Leaves cordate-orbicular, or sometimes broadly ovate, 

 somewhat 3-lobed, or incised; the lower ones 2 to 3 inches long, the 

 upper scarcely more than an inch. Flowers somewhat fasciculate or 

 paniculate towards the summit of the branches. Calyx densely 

 pubescent, with 2 or 3 slender deciduous bracteoles at the base ; the 

 lobes broadly ovate and rather acute. Corolla about three-fourths of 

 an inch in diameter, apparently bright rose-color : petals obovate, 

 slightly emarginate. Styles 8 to 10, smooth : stigmas capitate. 

 Carpels 8 to 10, in a small depressed globose head, densely stellate- 

 pubescent, dehiscent on the back from the summit to near the base. 

 Seed solitary. Radicle inferior. 



