302 



[450 



References to the Flora are in brackets f 1 



Rulac [168 



Negundo 12, 22, [168 



Texanum 12, 22, [168 



Rumex [105 



Acetosella 44, [105 



Baken [105 



crispus 44, [105 



densiflorus [105 



obtusifolius 44, [105 



occidentalis 11, [105 



salicifolius 11, [105 



RUPESTRES 35 



Rupestrine flora ....21,29, 37 



Rush 10,34,39,40, 



Arizona 



Baltic, mountain 



chestnut [90 



confused [89 



Drummond's [89 



Dudley's [89 



grass-leaved [89 



inland [89 



knotted [90 



long-styled [89 



Marten's [90 



reddish brown [90 



Rocky Mountain [90 



scouring [52 



spike [80 



Torrey's [90 



three-flowered [90 



toad [89 



wood [90 



Rush family [88 



Rush-grass, filiform [62 



prairie [61 



Richardson's [61 



simple [62 



Ruta Baga [132 



Rydbergia [245 



grandiflora 42, [245 



Rydbergia 40 



large-flowered [245' 



Rye, wild [78 



Rye-grass, Italian [75 



Sabina [54 



scopulorum 30, [54 



Sage 13, [207 



barrens [247 



Britton's [247 



cudweed [247 



diverse-leaved [247 



Forwood's [246 



lance-leaved [207 



rock [247 



Rocky Mountain [247 



Secular's [246 



sylvan [246] 



white [110] 



Sage-brush 5, 34, [246] 



common [246] 



Sagittaria [56] 



arifolia 11, [56] 



St. Johnswort [171] 



Canadian, larger [171] 



handsome [171] 



St. Johnswort family [171] 



Salicaceae [98] 



Salicales [98] 



Salix [99] 



amygdaloides 12, [99] 



arctica petraea [100] 



Bebbiana 28, [100] 



brachycarpa 23, [100] 



caudata 28,37, [99] 



chlorophylla 39, [100] 



exigua 12, [99] 



Fendleriana [99] 



flavascens [100] 



fluviatilis 24 



glaucops 33,39, [100] 



irrorata [99] 



lasiandra Fendleriana [99] 



lutea.. [99] 



luteosericea 12, [99] 



Nuttallii 24, [100] 



pentandra caudata [99] 



perrostrata 28, [99] 



petrophila. 41, [100] 



pseudolapponicum 41, [100] 



rostrata [100] 



Saximontana 41, [101] 



Scoulariana 33, 36, [100] 



Wolfii [99] 



Salmon-berry 29, [141] 



Nutka Sound [141] 



Salsify [255] 



Salsola [HI] 



Tragus 45, [111] 



Salt-grass [69] 



Salt meadow-grass [73] 



slender [73] 



Saltwort [Ill] 



Salvia [207] 



lanceolata 14, [207] 



Sambucus [220] 



melanocarpa [221] 



microbotrys 26, [220] 



Sandalwood family [103] 



Sand-bur [59] 



Sand cherry, Bessey's [152] 



Sand lily [92] 



mountain [92] 



Sandwort [116] 



