INDEX. 



[Synonyms in italic. Pages of principal entries in heavy-faced type.] 



Page. 



Abrlcot de Saint Domlngue 451 



des bois 460 



Abricotier d'Amerique 451 



Abronia 370, 395 



angustifolia 173,182,181 



bigelovii 157,182 



carnea 100, 182, 305 



cycloptem 305 



fendleri 168, 182, 395 



gracilis 396 



maritima 396 



micrantha 305 



parviflora 304 



platyphylla 396 



torrcyi 161, 182, 396 



turbinata stcnophylla 183 



umbellata 395 



villosa 396 



Abroniinae 379 



Acacia constrictapaucispina 152, 153, 192 



Acalypha neomexicana 174, 198 



Acarospora thamnina 321 



Acer neomexicanum 100, 200, 230 



rubrum 331 , 339 



Acerates auriculata 170, 208 



Achillea laxiflora 107, 216 



Achoccha 120 



Achras capiri 4G3, 4G4 



lucuma 457 



mammosa 459 



Achras (Zapota major) 459 



Achucha 120 



Achyropappus ncomexicanus 224 



Acleisanthes 379, 417 



acutifolia 418 



anisophylla 418 



crassifolia 417 



greggii 418 



longiflora 418 



hirtella 418 



Aconitum 237 



mogollonicum 185 



robertianum 164, 185 



Aeouma jaune 400 



Acrocomia 138 



Acrolasia 202 



Acrosticheae, tribe 5 



Acrostichum lepidotum 6 



muscosum 6 



muscosum - 6 



siliquoides 42 



Actinella argenlea 168,216 



bigelovii 216 



depressa pygmaea 165, 218 



46865°— vol 13—12 2 



Actinella— Continued. Page. 



leptoclada 167, 217 



rkkarflsonii floribunda 168, 217 



rusbyi 217 



scaposa mutica 217 



vaseyi 164,217 



Adelia neomexicana 207 



Adcnoderris 39 



Adenophyllum wrightu 170, 217 



Adiantum capillus-veneris 12 



concinnum 12 



dolosum 12 



tM 13 



flexuosum 13 



modesturn 106, 175, 244 



Adopogon 351, 352, 353 



carolinianum 354 



dandelion - 355 



monlanum 356 



virginicum 351,356 



Aecidium 243 



Agastachc lanceolata 212, 227 



neomexicana 211, 227 



pallidillora 211 



rupestris 212, 227 



Agave 240 



americana latifolia 170, 179 



parryi - - 236 



Agoseris graminlfolia 173, 228 



purpurea 227 



Agropyron - - - 48, 84 



alaskanum 85 



caninum 86 



dasystachyum 85 



divergens 87 



tenuispicum 87 



repens 87 



richardsonii 86 



spicatum 87 



tenuispieum 87 



tenerum 86 



unilatcrale 87 



violaceum 86, 87 



andinum 86 



latiglume 86 



violascens 87 



yukonense 85 



Agrostideae 18 



Agrostis 48, 56 



aequivalvis obliqua 58 



alba 56 



borealis — 57 



canina aequivalvis 58 



melaleuca 57 



exarata 57 



467 



