476 



Minnesota Botanical Studies 



Anabaena 286, 



flos-aquae (Lyngb.) Breb 



oscillarioides Bory 420, 



Anaphalis margaritacea 357, 



Andromeda. ..336, 341, 342, 343, 344, 



363, 364, 366, 



glaucophylla 



polifolia 



Andropogon 186, 358, 



furcatus 298, 357, 358, 359, 



hallii..221, 224, 225, 226, 233, 



237, 243, 251, 



-scoparius. .221, 223, 224, 225, 



226, 229, 233, 236, 243, 251, 

 252, 253, 254, 259, 298, 305, 



". 357, 



Androsace occidentalis 



Anemone caroliniana 221, 



cylindrica 



Drummondii S. Watts 317, 



multifida Poir 318, 326, 



nemerosa 100, 



parviflora Michx 324, 



quinquefolia 346, 360, 369, 



Angiospermae 



Anogra cinerea 



coronopifolia 



pallida 



Ar.'enuaria canadensis 346, 



pulvinata Greene 318, 321, 



Aii'hoxanthum odoratum L 



Puellii Lecoq. and Lamotte. . 



A))I'.anizomenon 



flos aquae (Linn.) Ralfs 



Apios apios 



Apocynum androsaemifolium. .37, 38, 



48, 



Aquilegia canadensis 



formosa Fisch 



Araceae 138, 146, 



Arabis hirsuta 



Lyallii S. Wats 328, 



Aragallus lamberti 222, 252, 253, 



Aralia 



nudicaulis. .270, 345, 351, 360, 



367, 369, 372, 



racemosa 



Arctostaphylos uva-ursi (L.) Spreng. 



48, 222, 318, 326, 357, 



Ardca herodias 



Arenaria hookeri 



sajanensis Willd 



verna L. var. propinqua (Rich-. 



AROS) Fernald 



verna L. var. propinqua (Rich- 

 ards) Fernald forma epilis 



Fernald 



Argemone 



408 

 424 

 424 

 359 



376 

 342 

 117 

 371 

 371 



252 



371 

 221 

 232 

 298 

 326 

 328 

 317 

 328 

 374 

 466 

 239 

 252 

 222 

 357 

 324 

 467 

 467 

 421 

 424 

 269 



361 

 369 

 320 

 149 

 350 

 330 

 259 

 352 



374 

 369 



361 

 269 

 273 

 328 



321 

 303 



-intermedia 250, 259, 302 



Arisaema triphyllum 270, 369 



Aristida 262 



basiramea 253, 255 



dichotoma Michx. var. Cur- 



tisii Gray 468 



longiseta 222, 253, 255, 259 



oligantha 253, 259 



purpurascens Poir 468 



purpurea 252, 253, 255 



tuberculosa Nutt 468 



Arnica 324 



-Chamissonis Less 318, 321 



latifolia Bong 318, 321 



Artemisia 250 



borealis Pallas 319 



canadensis 222, 259 



caudata 358 



filif olia 222, 231 



f rigida 259 



norvegica Fries, var. pacifica 



Gray 321 



Ascobolaceae 65 



Ascobolus tetrasporus Fckl 83 



Asclep as arenaria 222, 239 



.'ncarnata. . .283, 286, 292, 295, 341 



latifolia 222 



Aspidium 322 



Bootii Tuckerm 464 



marginale (L.) Svv 464 



-noveboracense (L.) Sw 464 



spinulosum (O. F. Muller) 



Sw 322 



thelypter s (L.) Sw 464 



viride HuDS 319, 328, 330 



Aster 357, 358 



-canescens 252 



— — -cordif olius 360 369 



—drummondii 374 



laevis 357, 358, 359, 360, 372 



macrophyllus 360, 367, 369 



multiflorus 222 



paniculatus 341 



— — Richarsonii Spreng.. .318, 319, 326 



salicifolius 269 



Asterionella formosa Hass 419, 424 



Astragalus 331 



- — — adsurgens 252 



crassicarpus 222, 252 



esculenta 222 



mollissimus 252, 259 



Azolla 286 



B 



Barlaea 271 



fulgens Rehm 71 



modesta Sacc 72 



polytrichi Sacc 71 



