1924; Index 235 
comosa, 60; connata, 60, 187, 228; 
var. fultior, 60; var. petiolata, 60; 
coronata, 60; discoidea, 82; 
Eatoni, 82; var. fallax, 82; var. 
kennebecensis, 177, 178; frondosa, 
82; var. pallida, 5; heterodoxa, 
177, 178; A new Variety of, 177; 
heterodoxa, var. interstes, 178; 
var. monardaefolia, 178; var. 
orthodoxa, 178; hyperborea, var. 
cathancensis, 177; var. colpophila, 
82, 177; laevis, 82; melanocarpa 
pallida, 5; trichosperma, 60; var. 
tenuiloba, 60; vulgata, 82; var. 
puberula, 82. 
Birch, White, 195. 
Blake, S. F., Erucastrum Pollichii 
in West Virginia, 22; The Name 
of the Spearmint, 171; Notes on 
American Lespedezas, 25; A 
yellow-fruited Form of Ilex myrti- 
folia, 231. 
Blasia pusilla, 7. 
Blechnum magellanicum, 92. 
Blepharostoma trichophyllum, 11. 
Boltonia, 82; asteroides, 82; lati- 
squama, 82. 
Boston District, Reports on the 
Flora of, XLII, 13; XLIII, 34; 
XLIV, 55; XLV, 82; XLVI, 107; 
XLVII, 130; XLVIII, 149; XLIX, 
166. 
Botrychium, 230; 
folium, 50. 
Botrydium granulatum, 211. 
Botryococcus Braunii, 211. 
Brachythecium acutum, 219. 
Brassica juncea, 225. 
Brauneria, 82; pallida, 82. 
British Columbia Algae, Further 
Notes on, 160. 
Bromus secalinus, 222. 
Bryum argenteum, 219. 
Bulbochaete, 211. 
Bursa, 230. 
Bursa pastoris, 280, 231. 
Buttercup, Water, 187. 
matricariae- 
Cacalia, 83;  atriplicifolia, 83; 
suaveolens, 83 
Cakile, 187; americana, 225; eden- 
tula, 184, 225. 
Calamagrostis arenaria, 222. 
Callithamnion, 191; Baileyi, 191; 
corymbosum, 214. 
Callitrichaceae, 226. 
Callitriche heterophylla, 226. 
Calomelissa (sect. Satureja), 81. 
Calopogon pulchellus, 177. 
Calothrix, 189; confervicola, 190, 
212; crustacea, 212; epiphytica, 
211; fuscoviolacea, 190, 212; 
parasitica, 212; parietina, 162; 
scopulorum, 212. 
Calypogeia, 232; fissa, 6, 10; Neesi- 
ana, 10; sphagnicola, 6, 10;suecica, 
10; Sullivantii, 6, 10; Trichomanis, 
10. 
Calystegia sepium, 227. 
Campanula, 18; aparinoides, 18; 
glomerata, 18; persicifolia, 18; 
rapunculoides, 18; rotundifolia, 
18; Trachelium, 18; uliginosa, 
18. 
Campanulaceae, 18. 
Campylodiseus Thuretii, 193, 216 
Cannabis sativa, 133. 
Caprifoliaceae, 15, 228. 
Capsella, 230; Bursa-pastoris, 186, 
25. 
Carex, 144; albolutescens, 223; 
Cooleyi, 2; communis, 2; fulva, 
122; fulvescens, 122; Hornschuch- 
iana, 122; var. laurentiana, 122; 
Hosteana, 122; Hostiana, 122; 
var. laurentiana, 122; hysteri- 
cina, 3; var. Cooleyi, 2; f. 
Dudleyi, 2; hystricina, 2; var. 
Dudleyi, 2; laxiculmis, 177; 
Longii, 223; muricata, 223; 
Pseudo-Cyperus X hystricina, 2; 
riparia, 177; straminea, 2; var. 
echinodes, 2; stricta, 177; tenera, 
2; var. echinodes, 2; umbellata, 
2; f. vicina, 2; var. vicina, 2. 
Caryophyllaceae, 224. 
Castagnea virescens, 213; Zosterae, 
213. 
Catherinea angustata, 219. 
Ceanothus americanus, 197. 
Celtis occidentalis, 128; var. cras- 
sifolia, 128. 
Centaurea, $83; adulterina, 83; 
Cyanus, 83; diffusa, 83; Jacea, 83; 
var. lacera, 83; maculosa, 83; 
melitensis, 83; nigra, 83; var. 
radiata, 83; solstitialis, 83; vochi- 
nensis, 83. 
Cephalanthus, 13; occidentalis, 13. 
Cephalozia bicuspidata, 10; cate- 
nulata, 11; connivens, 11; curvi- 
folia, 11; fluitans, 11; macro- 
stachya, 11; media, 11; multi- 
flora, 11; virginiana, 11. 
Cephaloziaceae, 10. 
Cephaloziella bifida, 10; byssacea, 
