421] 



273 



References to the Flora are in brackets f 1 



many-headed [234 



Nelson's [233 



Osterhout's [234 



Patterson's [235 



Porter's [234 



prairie, white [234 



smooth [234 



thickish [234 



Underwood's [233 



varying [235 



violet [235 



wart-cress-leaved [235 



white prairie [234 



Astragalus [155 



alpinus [156 



campestris [157 



Canadensis [155 



Carolinianus [155 



decumbens [157 



Drummondii [156 



flexuosus [157 



goniatus 14, 18, [156 



hypoglottis bracteosus [156 



polyspermus [156 



nitidus 18, [156 



oroboides Americanus [156^ 



Parryi [157 



Shortianus [157 



sulphurescens [156 



ienellus [157 



tridactylicus [158 



virgultatus [156 



Atelophragma [156 



elegans 32, [156 



Atheropogon [67 



curtipendulus 18, [67 



Atragene [122 



Columbiana [122 



occidentalis 25, [122 



Atriplex [110 



argentea 17, [110 



carnosa 17, [110 



hortensis 17, [110 



occidentalis [110 



Avena [65 



fatua 44, [66; 



sativa 46, [66 



striata 22,31, [66 



Avens 21, [145 



mountain, purple [145 



three-flowered [145 



turbinate [146 



white [147 



yellow [146 



Arapahoe [146 



Oregon [145 



Rocky Mountain [145 



yellow [145 



Bachelor's button [225 



Bahia [244 



chrysanthemoides [244 



dissecta 29, [244 



oppositifolia [244 



Bahia, fine-leaved [244 



opposite-leaved [244 



Balsam-apple [222 



wild [222 



Balsam fir 36,39, [54 



western [54 



Balsam poplar [98 



Baneberry [119 



ivory [119 



red, western [119 



western red [119 



Barberry, holly [125 



Barberry family [125 



Barley [77 



little [77; 



six-rowed [77 



Barnyard grass [58 



Bastard toad-flax [103 



pale [103 



Batidaea [141 



laetissima 20, 25, [141 



Batrachium [122 



aquatile flaccidum [122 



flaccidum 34, [122 



Bean family [152 



Bearberry [186 



red [186 



Beard-grass [57], [63 



golden [57 



Beard-tongue 13, [211 



alpine [212 



glaucous [212 



low.. .._ [212 



mountain [211 



narrow-sepalled [212 



one-sided [212 



Rydberg's [212 



sharp-leaved [212 



slender [212 



tall [213 



Bedstraw [220 



fragrant [220 



northern [220 



Vaillant's [220' 



yellow-flowered [220^ 



Bee plant. Rocky Mountain. . , [135 



Bellflower [222 



Bellflower family [222 



Bell rue [122 



western [122 



Belvisia [51 



