206 
Privet, false, 137. 
swamp, 137. 
Prosepis (mesquite), 3, 8, 71, 73-77, 179. 
glandulosa (honey m.), 74-76, 77. 
julifiora (common m.), 74, 76-77. 
julifiora glandulosa, 74 
julifiora velutina, 76. 
odorata, 77. 
pubescens, TT. 
velutina (velvet m.), 76—77. 
Protective cover, 115, 116. 
Protobalanus (Subgenus of Quercus), 20, 24. 
Prunus (apricot; cherry; chokecherry; maz- 
zard; plum), 2, 7, 66-69, 179, 180. 
andersonii, 70. 
angustifolia watsoni (sand ane) 2 
jarmemaca (apricot), 
javium (mazzard), 66. 
yeerasus (sour cherry), 66. 
demissa (western chokecherry), 68. 
demissa melanocarpa, 
jdomestica (common plum), 66. 
emarginata (bitter cherry), 69. 
emarginata mollis, 69 
emarginata villosa, 69. 
fasciculata, 70. 
fremonitii, 70. 
glandulosa, 70. 
melanocarpa (black chokecherry), 67-68. 
minutifiora, 
pennsylvanica (pin cherry), 68. 
prunifolia (plumleaf cherry), 68. 
subcordata (Pacific plum), 69. 
subcordata kelloggzii, 69. 
varens (Southwestern black cherry), 63— 
virginiana (common chokecherry), 68. 
virginiana demissa, 68 
Prussic acid, 45, 67, 68. 
Pseudabutilon, 115. 
Pseudotsuga mucronata, 11. 
taxifolia (Douglas fir), 11. 
Psoralea, 83, 84. 
Psoraleae, 82. 
Psorodendron, 83. 
Psorothamnus, 83. 
Ptarmiganberry (Mairania alpina), 124. 
Ptelea (hoptree), 91. 
trifoliata (common h.), 91. 
Puccinia coronata, 113. 
Purshia, 6, 7, 52-53. 
tridentata (bitterbrush), 52—53. 
Pyrola, 48. 
Pyrrocoma, 156. 
Pyrus sitchensis, 65. 
Quailbrush, 31. 
Quassia family, 116. 
i Queer of he att (Selenicereus grandi- 
fiorus), 118 
Quercus (oak), 19, 20-25, 180. 
arizonica Bree white O:) eee 
breweri, 28. 
californica, 25. 
chrysolepis (canyon live o.), 24. 
chrysolepis vaccinifolia, 24. 
densiflora, 19, 
densiflora echinoides, 19. 
dumosa (California scrub o.), 22—23, 
dumosa turbinella, 
echinoides, 9: 
emoryi (Emory 0.), ABs 
fendleri (Fendler o.), 23 
gambelii (Gambel o.), 21, 23, 43, 60. 
garryana (Garry 0o.), 23. 
garryana breweri, 23. 
grisea (gray 0.), 5, Zee 
havardii (Havard 0-)> 2B 
kelloggii (California black 0.), 25, 107. 
novomexicana (New Mexican o.), 21-22, 
oerstediana (Brewer 0.), 23. 
reticulata (netleaf o.), 24. 
sadleriana (Sadler o.), 24. 
turbinella (shrub live o.), 23. 
undulata (wavyleaf o.), 23—24. 
utahensis (Utah o.), 21-22. 
vaccinifolia (huckleberry o.), 24. 
INDEX 
Quereus—Continued. 
vreelandii (Vreeland o.), 21-22. 
wileoxii (Wilcox o.), 24. 
Quinine, 127. 
Quinine_bush, 49, 122. 
Rabbit brush (Chrysothamnus), 8, 43, 156, 
160-163, 169. 
(Aplopappus heterophyllus), 156. 
Bloomer (Aplopappus ploomeri), 156. 
Douglas (C. viscidiflorus), 161—163. 
lanceleaf (C. lanceolatus), 160—161. 
low (C. viscidifiorus pumilus), 163. 
rubber (C. nauseosus), 161. 
sawtooth (C. viscidiflorus serrulatus), 163, 
showy, 
spring, 176. 
tall (C. speciosus), 161, 162. 
twistleaf (C. viscidifiorus tortifolius), 163. 
Rabbits. See wad life. 
Rabbitsage, 160, tk 
Dougias, 161. 
tall, 161. 
Rafinesque, CaS 
Ragweed, bur, 153. 
family. See Ambrosieae and Ragweed 
subfamily. 
subfamily, or tribe, 153—155. 
Raiford, L. Charles, 157, 185. 
Ramona incana; R. nivea, 141. 
Range, cattle, 109, 140. 
depleted, 72. 'See also Overgrazing, 
desert, 142, 176. See Deserts. 
fall, 52, 113, 169, 13) 2059 
goat, 115. ee Goats. 
lambing, 172, 173. See aiso Lambing 
and Lambs. 
pests. 
reconnaissance, 4, 1 
sheep, 538, 115, 134, 140. 
ee > 113, 123, 126, 128s 1si; 
summer, 57, 126, 144, 170. 
winter, 45, 52, 118, 120, 142, 169, 175, 
Ranunculaceae, 36. 
Raspberry (Rubus spp.), 7, 58. 
western red (R. Sateen 58. 
whitebark (R. leucodermis), 58. 
whiteflowering (R. parviilorus), 58. 
Ratany (Krameria), 80—82. 
family, 7, 8, 80-82. 
littleleaf (K. parvifolia), 82. 
range (K. glandulosa), 81, 82. 
Texas, 82. 
trailing (K. secundifiora), 82. 
white (K. grayi), 82. 
Ravines, 48, 71, 137, 141. 
Rayless- -goldenrod, 156, 160. 
fetid, 161. 
tree, 156. 
Read, Arthur D., 4. 
Reclamation (projects), 34, 169. 
Redbrush, 121. 
Redbud, California (Cercis occidentalis), 80. 
Red Desert, Sie eleva atid 
Redroot, narrowleaf, 109. 
Redshanks (Adenostoma sparsifolium), 53—54, 
5 
See Pests, plant 
Redwood, 3, 123, 135. 
Remington, Joseph P., 153, 158, 169, 187. 
Renner, 4, 
Resin, 115, 116. 
Retama. See Jerusalem-thorn. 
Rhamnaceae, 7, 8, 104-114. 
Rhamnus (buckthorn), 113, 179. 
alnifolia (alder b.), 1S 
californica (California Ra nia Ko 
cathartica (common b.), 113. 
purshiana (caseara), 113, 179. 
Rhatany-root, : 
Rhizomes. See Rootstocks. 
Rhododendron, 9, 126, 132-133. 
albifiorum, ; 
California, ey ; 
californicum (coast r.), 132-133, 180. 
coast (R. californicum), 132-133. 
Rocky Mountain, 126 
white-flowered, 126. 
