222 



INDEX 



Purshia; bitterbrush 

 = Kunzia 



tridentata; antelope b 139; 194 



= Kunzia tridentata 



Pyrus. See Sorbus. 



Quercus garryana; Oregon white oak 20, 116 



Rabbitbrush; Chrysothamnus 



Douglas; C. viscidiflorus 80, 82, 126 



downy; C. v. puberulus 80 



fetid rubber; C. nauseosus consimilis 82 



lanceleaf; C. v. lanceolatus 80 



low Douglas; C. v. pumilus 82 



rubber; C. nauseosus 82, 126 



small ; C. v. stenophyllus 82 



tall rubber; C. nauseosus speciosus 83 



Truckee (also called low r.) ; C. v. humilis 80 



whitestem rubber; C. nauseosus albicaulis 83 



Ramona incana. See Salvia incana. 



Raspberry; Rubus 



American red; R. strigosus 88, 114 



northwestern blackcap ; R. nigerrimus 88 



whitebark ; R. leucodermis 88 



Rhamnus; buckthorn 



alnifolia; alder b 64, 155 



purshiana; cascara b 64, 144 



Rhododendron albiflorum; Cascades azalea (also called Cascades false- 

 azalea) 67, 144 



Rhus; sumac 

 = Schmaltzia 



canadensis trilobata. See R. trilobata. 

 diversiloba. See Toxicodendron diversilobum. 



glabra; smooth s 84, 134 



— R. glabra var. occidentalis 

 = R. occidentalis 

 glabra occidentalis. See R. glabra. 

 occidentalis. See R. glabra. 



radicans rydbergii. See Toxicodendron radicans var. rydbergii. 

 toxicodendron. See Toxicodendron radicans var. rydbergii. 



trilobata; skunkbush (or lemonade) s 87, 132 



= R. canadensis var. trilobata 

 = Schmaltzia trilobata 



Ribes (= Grossularia); currant, gooseberry 

 ambiguum. See R. watsonianum. 



aureum; golden c 42, 151 



bracteosum; stink c 42, 149 



cereum; wax c 47, 155 



cognatum; Umatilla g 13, 113 



= Grossularia cognata 

 divaricatum inerme. See R. inerme. 

 divaricatum irriguum. See R. irriguum. 

 divaricatum klamathense. See R. klamathense. 



gooddingii; Goodding g 17, 112 



inerme; whitestem g 13, 112 



= Grossularia inermis 

 = Ribes divaricatum var. inerme 

 inerme klamathense. See R. klamathense. 



irriguum; Idaho g 13, 113 



= Grossularia irrigua 

 = Ribes divaricatum var. irriguum 



klamathense; Klamath g 13 



= Grossularia klamathensis 

 -Ribes divaricatum var. klamathense 

 = Ribes inerme var. klamathense 



lacustre; prickly (or swamp) c 11, 110 



lacustre molle. See R. montigenum. 

 lentum. See R. montigenum. 



