[Vor. 11 
220 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
(Pomona); wet sand in wash, Upland, 4 Мау, 1917, Parish 
11172 (M); river banks, Vietorville, 26 June, 1915, Parish 
10606 (Stanford); Little Bear Valley, San Bernardino Mts, 
Aug., 1884, Parish 447 (Stanford); Arrowhead Hot Springs, 
23 Мау, 1906, G. B. Grant 6658 (Stanford) ; Icehouse Сайоп, 
San Antonio Mts., 7000 ft. alt., 16 June, 1918, Parish 11961 
(M); shady places in the mts., San Bernardino Co., May, 
1888, Parish (M); Strawberry Valley, Riverside Co., 8 Aug., 
1901, G. B. Grant 4488 (Stanford); along water courses, in the 
vicinity of Strawberry Valley, 5200 ft. alt., June, 1901, H. M. 
Hall 2202 (M and Stanford); river bottoms by stream in very 
damp soil, San Jacinto River Cañon, 30 May, 1917, Jenkins & 
Street (Pomona); Cuyamaca Mts., July, 1889, Orcutt (M); 
Pine Valley, San Diego Co., 2 Sept., 1882, Orcutt 591 (M); 
Jamul Valley, San Diego Co., 1500 ft. alt., June, 1895, Stokes 
(Stanford). 
Mexico: 
Sinaloa: gravel beds along river in vicinity of San Blas, 24 March, 
1910, Rose, Standley & Russell 13395 (U. 8.). 
Chihuahua: Hacienda, San Jose, 2000 ft. alt., Aug., 1885, Edw. 
Palmer 62 (Phil.). 
44a. Var. geniculatus (Greene) Grant, comb. nov. ; 
M. geniculatus Greene in Bull. Calif. Acad. Sei. 1:280. 1895 
Hall, Yosemite Fl. 222. 1912. » 
Branches spreading, typically strongly geniculate at the thick- 
ened nodes, plant sparingly villous. 2 
Distribution: in the mountains of Idaho and California. 
Specimens examined: 
Idaho: dry, stony cliffs, Three Creeks, 1 July, 1912, Nelson & 
Macbride 2235 (R. Mt.). Sept 
California: Truckee, Sept., 1888, Brandegee (G); Truckee, 1805, 
1888, Curran (Calif.); Lewis, Mariposa Со. 26 Aprib у 
Congdon (Stanford): Fresno Co., Oct., 1890, Peckinpah ( ah 
Toll House, Fresno Co., 2050 ft. alt., 13 June, 1900, ^ 
Chandler 5 (Stanford); in rock crevices of Dry Butte, ri, 
hachapi, 14 June, 1907, Hasse & Davidson, (G); emp 
1884, Curran (M. and Stanford, type collection) ; 1n moist 
