124 
Journal of Agricultural Research 
Vol. XXVIII, No. 2 
DISTRIBUTION OF THE TYPES IN THE 15 VEGETATION REGIONS 
Region 1 
(1) Grama grass. (16) 
(2) Grama grass and wheatgrass. (17) 
(3) Grama grass and niggerwool. (20) 
(4) Grama grass, nigger wool, and June. 
grass. (21) 
(5) Grama grass and mountain sage. (23) 
(6) Grama grass, niggerwool, and sage- (24) 
brush. (25) 
(8) Grama grass and chamiso. (26) 
(9) Grama grass and wild alfalfa. (29) 
(10) Grama grass and matchweed. (30) 
(11) Grama grass and valley sage. (65) 
(12) Grama grass and western needle- (100) 
grass. (101) 
(13) Grama-buffalo grass. (102) 
(14) Grama-buffalo grass and western 
needlegrass. 
Region 2 
(1) Grama grass. (20) 
(2) Grama grass and wheatgrass. 
(3) Grama grass and niggerwool. (22) 
(4) Grama grass, niggerwool, and June- (24) 
grass. (25) 
(5) Grama grass and mountain sage. (28) 
(8) ; Grama grass and chamiso. 
(9) Grama grass and wild alfalfa. (29) 
(10) Grama grass and matchweed. (30) 
(13) : Grama-buffalo grass. (33) 
(14) Grama-buffalo grass and western (37) 
needlegrass. (38) 
(15) Grama-buffalo grass and wire (57) 
needlegrass. (65) 
(16) Grama-buffalo and wheatgrass. (74) 
(17) Grama-buffalo and wild alfalfa. (78) 
(18) Grama-buffalo grass and soap- (89) 
weed yucca. (101) 
(19) Grama-buffalo and mesquite. (102) 
Region 3 
(1) Grama grass. (49) 
(7) Grama grass and sagebrush. (50) 
(8) Grama grass and chamiso. (53) 
(10) Grama grass and matchweed. (90) 
(25) Matchweed. (91) 
(40) Curly bunchgrass. (92) 
(41) Mixed mountain grass. (93) 
(44) Giant wild-rye. (96) 
(46) Wet meadow. (100) 
(47) Dry meadow. (101) 
(48) Mountain weed. (102) 
Grama-buffalo and wheatgrass.1 
Grama-buffalo and wild alfalfa. 
Grama-buffalo grass and match- 
weed. 
Wheatgrass. 
Niggerwool. 
Western needlegrass. 
Matchweed. 
Matchweed and mountain sage, 
Bunchgrass. 
Sand hills mixed. 
Saltgrass. 
Aspen. 
Woodland timber. 
Conifer timber. 
Grama-buffalo grass and match- 
weed. 
Wire needlegrass. 
Western needlegrass. 
Matchweed. 
Hairy grama, grama, and sand 
sage. 
Bunchgrass. 
Sand hills mixed. 
Tobosa grass. 
Tussock grass. 
Sacaton. 
Rabbitbrush and tussock grass. 
Saltgrass. 
Creosotebush-desert grass. 
Mesquite. 
Shinnery. 
Woodland timber. 
Conifer timber. 
Sagebrush. 
Small sagebrush. 
Antelope-brush. 
Willow (Salix species). 
Mountain brush. 
Mountain mahogany. 
Chaparral. 
Oak brush. 
Aspen. 
Woodland timber. 
Conifer timber. 
