400 



GEOLOGICAL SURVEY OF CANADA. 



tricoccum, Ait 34 



triflorum, Pursh 34 



Vancotiverense, Macoun 37 



Allosorus acrostichoides, Spreng. . . . 261 



aquilinus, Presl 262 



gradlis, Presl 260 



Stelleri, Ruprecht 260 



Allotropa 339 



virgata, Torr. & Gray 339 



Alnus, 355 



rubra, Bong 355 



Alopecurus, Linn 188, 389 



alpinus, Smith 188 



alpinus, Hook 189 



alpinus, Dawson 189 



aristulatus, Michx 188 



geniculatus, Linn 188 



var. aristulatus, Munro. . 188 

 var. ctespitosus, Scrib .... 389 



var. pumila, Vasey 189 



var. robustus, Vasey. 189, 389 



Howellii, Vasey 389 



Macounii, Vasey 189 



Macounii, Vasey 389 



occidentalis, Scribner 189 



pratensis, Linn 189 



var. alpestris, Vasey 189 



saccatus, Vasey 389 



sub-arista tus, Pursh 188 



AMARYLLIDACE^E (cvi.) 26 



Ammophila, Host 208 



arundinacea, Host 208 



longifolia, Benth. & Hook. ... 208 



Anacharis Canadenstis, Planchon . . 1 



Andropogon, Linn 184 



avenaceus, Michx 185 



furcatus, Muhl 184 



nutans, Linn 185 



provincialis, La ja 184 



purpurascens, Willd 185 



scoparius, Michx 185 



Anemone, 295 



nemorosa, var. ? 295 



Oregana, Gray 295 



Anemonella, Spach 295 



thalictroides, Spach 295 



Angelica, 328 



atropurpurea, Linn 328 



genuflexa, Nutt 328 



hirsuta, Muhl 328 



Anthericum serotinum, Linn 42 



Anthoxanthum, Linn 186 



odoratum, Linn 186 



A plectrum, Nutt 4 



hyemale, Nutt 4 



Arabia, 303 



arcuata 304 



canescens, Nutt 304 



canescens, Wat 303 



var. lalifolia, Wat 303 



PAGE 



Columbiana, Macoun 304 



confinis, Wat 303 



Druminondii, Gray 304 



Brummondii, Gray 303 



humifusa, J. Vahl 303, 304 



var. pubescens, Wat 303 



Ixvigata, Hook 303 



Lemmoni, Wat 303 



lyrata. Linn., var. occidentalis, 



Wat 303 



lyrata 303 



petrsea, Lam 303, 304 



var. ambigua-, Hegel 303 



Archangelica atropurpurea, Hoffm., l>28 



Gmelini, DC 328 



hirsuta, Torr. & Gray 328 



Archemora rigida 330 



Arctagrostis, Griseb 201 



latifolia, Ledeb 201 



var. Alaskensis, Vasey.. 201 



Arcliodracon Camtschaticum, Gray, 73 



Arctophila, Rupt 229 



fulva, Rupt 229 



Lsestadii, Rupt 229 



mucronata, Hack. 229 



pendulina, And 229 



Arctostaphylos, 338 



tomentosa, Dougl 338 



Arenaria 309 



physodes, D.C 309 



Arethusa, Linn 10 



bulbosa, Linn 10 



medeoloides, Pursh 12 



ophioglossoides, Pursh 11 



parviflora, Pursh 11 



pendula, Pursh 11 



rerticillata, Pursh 12 



Arisaema, Martins 72, 368 



Dracontium, Schott 72, 368 



triphyllum, Torr 72 



Aristida, Linn 190,390 



basiramea, Engel 190 



dichotoina, Linn 190 



fasciculata, Torr 390 



purpurea, Nutt 190, 390 



AROIDEJE (cxn.) 72 



Arrhenatherurn, Beauv 213 



avenaceum, Beauv 213 



Artemisia 335 



annua, Linn 335 



glauca, Pall 335 



Arum atrorubens, Ait 72 



Dracontium Willd 72 



triphyllum, Linn 72 



Virginicum, Linn 72 



Arundo agrostoides, Pursh 204 



arenaria, Linn 208 



Canadensis, Michx 204 



cinnoides, Muhl 204 



