270 



[4i8 



Eeferences to tlie Flora are in brackets r 1 



asperifolia 14, 35, 



exarata [64 



hyemalis 15, [54 



Rossae [64 



scabra [64 



tenuiculmis [64 



tenuis [64 



variavs [64 



Alder 27, [101 



thin-leaved [101 



Aletes [182 



acaulis 25, [183 



obovata 26, [183 



Algae 10 



Alisma [56 



Plantago 10, [56 



Alismaceae [56 



Alismales [56 



Alkali flat flora 10, 16 



ALKALINAE 10, 16 



Alliaceae [91 



Allionia [112 



diffusa [112 



hirsuta [113 



lanceolata [113 



linearis 15, [113 



nyctaginea [112 



Allioniaceae [112 



Allium [91 



cernuum obtusum [91 



dictyotum [91 



Geyeri 22,28, [91 



Nuttallii 22, [91 



recurvatum [91 



reticulatum ....22,28, [92 



reiicidaium deserticola [91 



Allocarya [201, 



scopulorum 34, [201 



Allocarya, mountain [201 



Alnus [101 



incana virescens [101 



tenuifolia 28, 37, [101 



Alopecurus [62 



alpinus [63 



aristulatus 11, [62 



fulvus [62 



occidentalis 39, [63 



ALPESTRES 9, 38 



ALPINAE 38, 40 



Alpine flora 9,38, 41 



Alpine tundra , 38 



Alpine zone 8,9, 38 



Alsinaceae [115] 



Alsine [115] 



Baicalensis 37, 39, [115] 



Jamesiana [115] 



longifolia 33, [115] 



longipes [115] 



striata [115] 



media 45, [115] 



Alsinopsis [116] 



obtusiloba 41, [115] 



propinqua 41, [116] 



Althaea [170] 



rosea 46, [170] 



Alum-root 29, [137] 



bracted [137] 



Hall's [137] 



small-leaved [137] 



Alyssum [132] 



alyssoides [132] 



calycinum [132] 



maritiinum [132] 



Alyssum, sweet [132] 



yellow [132] 



Amarella [190] 



monantha 40, [190] 



nana [191] 



plebeja 34, [191] 



Holmii 40, [191] 



scopulorum 29, [191] 



strictiflora [190] 



Amaryllidales [95] 



Amaranth [Ill] 



Amaranth family [HI] 



Amaranthaceae [Ill] 



Amaranthus [HI] 



albus [112] 



blitoides 45, [111] 



graecizans 45, [112] 



Powellii [HI] 



retroflexus 45, [111] 



Ambrosia [224] 



artemisiaefolia 45, [224] 



psilostachya 16, 45, [224] 



trifida 12,45, [224] 



integrifolia [224] 



Ambrosiaceae [224] 



Amelanchier [150] 



alnifolia [150] 



elliptica [150] 



oreophila 20, 22, 25, 30, [150] 



polycarpa 42, [150] 



Ammannia [176] 



coccinea [175] 



Ammannia, scarlet [176] 



Ammiaceae [181] 



AMNICOLAE 31,36, 37 



Amorpha [159] 



angustifolia [159] 



fruticosa 22, [159] 



microphylla [160] 



nana . . 15, [150] 



Ampelopsis qtdnquefolia vitacea[169] 



