21$ INDEX 



Distegia involucrata. See Lonicera involucrata. 



Dogwood, red-osier: Cornus stolonifera 99, 165 



Elaeagnus canadensis. See Shepherdia canadensis. 



Elder; Sambucus 



blackbead ; S. melanocarpa 103, 160 



blueberry; S. glauca 103, 159 



Pacific red; S. caliicarpa 105, 160 



western red; S. leiosperma 105, 160 



Eremosemium spinosum. See Grayia spinosa. 



Eriogonum; eriogonum 



heracleoides; Wyeth e 75 



microthecum; slenderbush e 75 



thymoides; thyme e 75 



Eriogonum; Eriogonum 



slenderbush ; E. microthecum 75 



thyme; E. thymoides 75 



Wyeth; E. heracleoides :__ 75 



Euonymus ( = Evonymus) occidentalis; western wahoo or western burn- 

 ing bush 96 



Eurotia lanata; common winterfat 181 



Filbert (or hazel), California; Corylus cornuta var. californica 20, 120 



Forsellesia; greasebush 

 = Glossopetalon 

 spinescens. See F. stipulifera. 



stipulifera; Snake River g 5, 106 



= "F. spinescens'' of some authors, NOT (A. Gray) Greene 

 = " Glossopetalon spinescens" of some authors, NOT A. Gray 

 = Glossopetalon stipuliferum 



Fraxinus; ash 



latifolia; Oregon a 105, 166 



= F. oregona 

 oregona. See F. latifolia. 



Gaultheria; wintergreen 



humifusa; western w 190 



= G. tnyrsinites 

 rnyrsinites. See G. humifusa. 

 ovatifolia; Oregon w 190 



Gilia pungens. See Leptodactylon pungens. 



Gilia, granite; Leptodactylon pungens 92 



Glossopetalon. See Forsellesia. 



Goldenweed, rabbitbrush; Aplopappus bloomeri 79 



Gooseberry ; Ribes 



desert; R. velutinum 17 



Goodding; R. gooddingii 17, 112 



Idaho; R. irriguum 13, 113 



Klamath; R. klamathense 13 



Mt. Adams; R. watsonianum 11 



snow; R. niveum 16, 112 



Umatilla; R. cognatum 13, 113 



Watson: R. watsonianum 11 



whitestem; R. inerme 13, 112 



Grayia spinosa; spiny hopsage 8, 106 



= Eremosemium spinosum 



Greasebush, Snake River ; Forsellesia stipulifera 5, 106 



Greasewood, black ; Sarcobatus vermiculatus 8, 106 



Grossularia. See Ribes. 



Hackberry, netleaf (includes Douglas h.) ; Celtis reticulata 51, 144 



Haplopappus. See Aplopappus. 



Hardhack; Spiraea 



Hawthorn; Crataegus 



black (or Douglas) ; C. douglasii 18, 110 



Columbia; C. columbiana 19, 110 



Piper; C. piperi 19, 110 



Hazel (filbert), California; Corylus cornuta var. californica 20, 120 



Hollygrape (or creeping mahonia) ; Mahonia repens 203 



