INDEX 



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



Absorbents 7 

 Achnanthes glabrata 209 



lanceolata 209 



subsessilis 209 

 Adiantum boreale (379) 



capillus-veneris (379) 



pedatum 379 



aleuticum (379) 

 Aecidium alaskanum 37 



asterum 37 



astragali-alpini 38 



circinans aconiti-delphinifolii 38 



clay ton ianum 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 



turner! 157, 159, 195 

 At* 9 



Ahnfeldtia plicata 159, 199 

 Alaria 5, 181 



cordata 158, 190, 238, pi. xxm 



esculenta (190) 



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



XXIV 



fragilis 158, 189, 234, pi. xxi 



bullata 189 



lanceolata 158, 190, 232, pi. xx 

 laticosta 158, 189, 236, pi. xxn 

 pylaii 189 



Alectoria 140 



divergens 132, 139, 144 

 fremontii 140 

 jubata 137, 138, 140 

 bicolor 139 

 chalybeiformis 139 

 nigricans 138 

 ochroleuca 137 

 circinata 138 

 rigida 137 

 sarmentosa 138 

 thulensis (138) 

 Alga^ 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 

 Amblystegium 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) 



