INDEX OF GENERA AND SPECIES. 



[The synonyms and species incidentally mentioned are in italics. The larger-sized figures Indicate 

 the page where the description is given.) 



Page. 



Bostrychia Mont 169,175,177 



" rivularis Harv 176 



" scorpioidea Mont 176 



Botrydieae 13,14,25,58 



Botrydiwm granulatum (L.) Grev 14, 58 



" gregarium Farlow 14,58 



Bryopsidese 13,14,25,59 



Bryopsis L.x „ 59 



" hypnoides L.x 60 



" plumosa (Huds.) Ag 14,59 



" tenuissima Do Mot 60 



Bulbocoleon Pringsh 24, 57, 69 



" piliferum Pringsh 57 



A. 



Aeetabularia Mcditerranea L.x 



Acroblaste Reinsch , 



Acrocarpus crinalis K.g 



" lubricus K.g 



Agarum Post. & Eupr 



" fimbriatum Harv 



Page. 



14 



57 



158 



158 



96 



96 



" TurneriPost. & Eupr 5,92,96 



Aglaiophyllum Americanum Mont 161 



Ahnfeldtia Fries 144,146 



" gigartinoides Ag 146 



" plicata Fries 4, 147 



" " v. f astigiata Post. & Eupr 1 47 



Alaria Grev 97 



" esculenta Grev 97 



" " v. latif olia Post. & Eupr 97 



" PylaiiGrev 98 



Amphithrix K.g 36 



Anabaina marina Breb 30 



Antithamnion Naeg 121, 1 22 



" cruciatum Naeg 122 



Areschougiece 139 



Arthrocladia Duby 183 



" villosaDuby 183 



Ascophyllum Stack 99 



" nodosum Stack 99 



Asperococcea9 17, 88 



Aaperococcus L.x 88, 90 



" bullosus L.x 89 



" compressus Griff 88,143 



" echinatus Grev 89 



" sinuosvs Bory 88 



B. 



32 

 11, 26 



Bacillus Cohn 



Bacteria 



Bacterium rubescens Laukaster 29 



Balbiinia Sirod 108 



Bangia Lyngb 110,111,112 



" ceramicola Chauvin 112,113 



' ' ciliaris Carm 112 



" elegans Chauvin 113 



' ' fusco-purpurea Lyngb 1 12 



Batrachospermum Eoth 20, 108, 116 



Beggiatoa Trevisan 12,32 



' ' alba Treves v. marina "Warm 32 



" arachnoidea Eab 32 



" minima "Warm 32 



" mirabilis Cohn 32 



Bladder-kelp 15 



Bonnemaisonia asparagoides Ag 7 



Bornetia Thure*. 118,131 



202 



C. 



Calliblepharis ciliata K.g 5, 152, 153 



" jubata~K-g 153 



Callithamnion Lyngb 21, 108, 109, 



118, 120, 131, 142 



' ' Americanum Harv 123 



" BailoyiHarv 20,121,127 



" " v. laxa Farlow 127 



" Barreri Ag..... 124,126 



" brachiatum Harv 126 



" byssoideum Arn 121,127,128 



" "v. fastigiatum Harv 128 



" " v. unilaterale Harv 128 



" " v. Waltersii Harv 128 



' ' corymbosum Lyngb 121, 123, 128, 129 



" " v. secundatum Harv 128 



" cruciatum Ag 122 



" Daviesii Harv 109 



" Dietziae Hooper 127,129 



" floccosum Ag 122,125 



1 ' graniferum Menegh 123 



' ' Labradorense Eeinsch 125 



' ' luxurians Ner. Am. Bor 109 



' ' polyspermum Ag 123 



" plumula Lyngb 124 



" roseum Harv 125 



" Pylaisaei Mont 5,123,124 



" BothiiLyngb 121,170 



" secundatum Lyngb J 109 



" seirospermum Harv 129 



" tenue Harv 130 



" tetragonum Ag 126,127 



' ' Tocwottoniensis Harv 130 



" versicolor Ag 129 



" " v. seirospermum Ag 129 



" virgatulum Harv 109 



Oallophyllis K.g 144,153 



" cristataK.g 153 



