XXI 



reedgrass (Calamagrostis), G 40 Continued. 



pine. See pinegrass. 



plains (C. montanensis). Glfl. 



purple. See pinegrass, purple. 



red. See pinegrass. 



shorthair (C. breweri), G40. 

 Rhamnus (buckthorn), Bl$7. 



alnifolia (alder b.), BW . 



californica (California b.), B127. 



cathartica (common b.), B1S7. 



crocea (hollyleaf b.), B1S7. 



crocea ilicifolia. B1S7. 



crocea insularis, Bl$7. 



crocea pilosa. El?" . 



ilicifolia. See R. crocea ilicifolia. 



insularis. See R. crocea insularis. 



pilosa. See R. crocea pilosa. 



purshiana (cascara buckthorn), B127. 

 R hododendron 



albiflorum. See Azalcastrum albiflorum. 



californicum (coast rhododendron), B128. 



coast (R. californicum). BI1X 



occidentale. See Azalea occidentalis. 



Rocky Mountain. See false-azalea. 



white-flowered. See false-azalea. 

 rhubarb, monks. See meadowrue, fen. 

 Ithus (sumac), B12<). 



canadensis trilobata. See R. trilobata. 



cismontana (Rocky Mountain sumac), B129. 



diversiloba. See Toxicodendron diversilobum. 



radicans. See Toxicodendron radicans. 



rydbergii. See Toxicodendron rydbcrgii. 



"toxicodendron" (of western authors). See 

 Toxicodendron rydbergii. 



toxicodendron radicans. See Toxicodendron 

 radicans. 



trilobata (skunkbush), B129. 



trilobata anisophylla, H13U. 



utahensis (Utah sumac), BI29. 



vernicifera. See Toxicodendron vernicifluum. 



verniciflua. See Toxicodendron vernicifluum. 



vernix. See Toxicodendron vernix. 

 Ribes (currant), B 130. 



americanum (American black c.), B130. 



aureum (golden c.), B1SO. 



aureum odoratum. See R. odoratum. 



cereum (wax currant), B131. 



fragraus. See R. odoratum. 



grossularia. See Grossularia reclinata. 



hallii (citronella currant). Ill .'SO. 



hirtellum. See Grossularia hirtella. 



hudsonianum (Hudson Bay currant), B13%. 



inebrians (squaw c.), B1S1. 



inerme. See Grossularia inermis. 



lacustre (prickly currant), BISO. 



longiflorum. See R. odoratum. 



montigenum (gooseberry currant), BISO. 



nigrum (European black c.), BISO. 



odoratum (clove c.), BISO. 



petiolare (western black c.), B132. 



purpusi. See Grossularia inermis. 



sanguineum (winter currant), BISO. 



sativum (European rede.), Bl SO. 



saxosum. See Grossularia hirtella. 



triste (swamp red currant), BISO. 



vallicola. See Grossularia inermis. 



viscosissimum (sticky currant), B133. 



viscosissimum hallii. See R. hallii. 

 ribwort. See plantain, buckhorn. 

 rice, Indian mountain-. See ricegrass, Indian, 

 ricegrass (Oryzopsis) 



Indian (O. hymenoides), G88. 

 ricegrass. See vine-mesquite. 

 ring grass. See muhly, ring, 

 ripgut grass (Bromus rigidus), GSS. 

 robert, herb (Geranium robertianum), W83. 

 Robinia (locust) 



neomexicana (New Mexican I.), B134. 



pseudoacacia (black I.), B1S4. 



rusbyi, B134. 

 rockcress (Arabia), W19. 



mountain (A. drummondii), W19. 

 rocklily. See pasqueflower, 

 rockspirea (Sericotheca) 



bush (S. dumosa), B147. 

 Rosa (rose), B135. 



californica (California wild r.), B135. 



engelmannii (Engelmann r.), B135. 



fendleri (Fendlerr.), B1SB. 



gymnocarpa (bald-hip r.), lil.i.'i. 



Rosa (rose), B135 Continued. 



macounii (Macounr.), BtSS. 



maximiliani (Maximilian r.), B1S5. 



nutkana (Nutka r.), BtSB. 



pisocarpa (cluster r.), B135. 



pyrifera (pear-hip r.), B1S5. 



spaldingii (Spalding r.), B135. 



woodsii ( Woods r.), B1SS. 

 rose (Rosa). B135. 



bald-hip (R. gymnocarpa), B1S5. 



California wild (R. californica), B1S5. 



cluster (R. pisocarpa), B1S5. 



Engelmann (R. engelmannii), B1SB. 



Fendler (R. fendleri), B1S5. 



Macpun (R. macounii), B135. 



Maximilian (R. maximiliani), B1S5. 



Nutka (R. nutkana), B1S5. 



pear-hip (R. pyrifera), B1SS. 



Spalding (R. spaldingii), B1S5. 



Woods (R. woodsii). B1S5. 



yellow. See cinquefoil, shrubby. 

 rosebay, California. See rhododendron, coast. 

 rosinweed. See ac tinea, stemless; goldeneye, 



showy; gum weed; jimmy weed. 

 Rubacer. See Rubus. 

 rubber weed (Actinea), W5. 



bitter (A. odorata). W7. 

 rubberweed. Seepingue. 



Colorado. See pingiie. 



Rubus (blackberry; raspberry; salmonberry ; 

 thimbleberry) 



macropetalus (trailing blackberry), B137. 



nutkanus. See R. parviflorus. 



parviflorus (thimbleberry), B139. 



spectabilis (salmonberry), B140. 



spectabilis menziesii, BIJfl. 



ursinus (California dewberry), B1S7. 



vitifolius. See R. ursinus. 

 Rudbeckia (coneflower), W16S. 



hirta (black-eyed-susan), W163. 



laciniata (cutleaf coneflower), W163. 



occidentalis (niggerhead), \V163. 

 rue, common (Rutagraveolens), W1S5. 

 rush (Juncus), GL14. 



Baltic. See wire rush. 



Rocky Mountain (J. saximontanus), GL14. 



wire (J. balticus), QL14. 

 rushgrass. See dropseed, Mississippi; dropseed, 



seashore. 



Russian-thistle (Salsola pestifer). W165. 

 Ruta graveolens (common rue), W18B. 

 Rydbergia. See Actinea. 

 ryegrass. See wild-rye; wild-rye, blue, 

 sacaton (Sporobolus wrightii), G113. 



alkali (S. airoides), G109. 

 sacaton, alkali. See panicgrass, bulb. 

 sage. 11 See sagebrush, big. 



antelope. See eriogonum, James. 



arctic. See sagebrush, fringed. 



bastard. See buckwheatbrush, Wright. 



black. See bi tier brush ; sagebrush, big. 



blue. See sagebrush, big. 



mountain. See sagebrush, fringed. 



salt. See saltbush, fourwing. 



white. See buckwheatbrush, Wright; sage- 

 brush, fringed; winter fat. 



wild. See sagebrush, fringed. 



winter. See winterfat. 



worm. See sagebrush, fringed, 

 sagebrush (Artemisia, shrubby range spp.). 



arctic. See fringed s. 



big (A. tridentata), B24. 



black (A. nova), BS8. 



fringed (A. frigida), B22. 



mountain. See fringed sagebrush. 



pasture. <See fringed s. 



wild. See fringed. 



worm. See fringed s. 

 sagebrush. See sagebrush, big. 



wafer. See saltbush, fourwing. 

 sagewort (Artemisia, herbaceous range spp.) 



cudweed (A. gnaphalodes), W27. 

 sago-lily. See sego-lily. 

 sagrada, cascara. 12 See buckthorn, California 



buckthorn, cascara. 

 St. Johnswort (Hypericum), W99. 



common (H. perforation), W99. 



golden (H. aureum), W99. 



Scouler (H. scouleri), W99. 



trailing (H. anagalloides), WS9. 



11 True sage is Sal via. 



i! The medicinal bark of Rhamnus purshiana. 



