INDEX 



New species in black-face type ; synon3TTis in parenthesis. 



Absorbents 7 

 Achnanthes glabrata 209 



lanceolata 209 



subsessilis 209 

 Adiantum boreale (379) 



capillus-veneris (379) 



pedatum 379 



aleuticum (379) 

 Aecidium alaskanum 37 



aster um 37 



astragali-alpini 38 



circinans aconiti-delphinifolii 38 



clajtonianum 38 



epilobii 37 



fraserae 36 



geranii 37 



grossulariae 36 



orchidearum 37 



parnassise 37, 40 



ranunculacearum 36 



violascens 37, 39 

 Agaricus campester 45 



mutabilis 6 

 Agarum gmelini 159, 194, 248, pi. 



XXVIII 



turneri 157, 159, 195 

 Ahh^ 



Ahnfeldtia plicata 159, 199 

 Alaria 5, 181 



cordata 158, 190, 238, p1. xxiii 



esculenta (190) 



fistulosa ^158, 190, 193, 240, p1. 



XXIV 



fragilis 158, 189, 234, pi. xxi 



bullata i8g 

 lanceolata 158, 190, 232, p1. xx 

 laticosta 158, 189, 236, p1. xxii 

 pylaii 1S9 



Alectoria 140 



divergens 132, 139, 144 

 fremontii 140 

 jubata 137, 138, 140 

 bicolor 139 

 chaljbeiformis 139 

 nigricans 138 

 ochroleuca 137 

 circinata 138 

 rigida 137 

 sarmentosa 138 

 thulensis (138) 

 AlgcE ^, 153 



Alicularia geoscypha (350) 

 minor (350) 

 scalaris minor (350) 

 Allosorus 4 



acrostichoides (380) 

 crispus (380) 



acrostichoides (380) 

 foveolatus (380) 

 sitchensis (380) 

 stelleri (380) 

 Alsia abietina 291 

 Ambljstegium radicale 298 

 serpens 297, 306 



beringianum 298 

 varium 306 



alaskanum 298 

 Amphiroa epiphlegmoides 160, 205, 

 206 

 planiuscula 160, 206 

 tuberculosa 160, 206 

 Amphisphaeria applanata 30 

 Amphora elliptica 211 



ovalis 211 

 Amphoridium lapponicum 269 

 mougeotii 269, 306 



(399) 



