1919] 
Betula, 190; alba, 190; lenta, 199; 
lutea, 42, 190, 199; papyrifera, 43, 
190; pumila, 65, 88. 
Bidens connata, 103, var. gracilipes, 
103, 104, var. petiolata, 103, 104. 
Birch, 51; Black, 51; Paper, 50; 
White, 199; Yellow, 42. 
Bird’s Kye Primrose, The white- 
flowered, 148. 
Black Birch, 51; -jack Oak, 49; 
Spruce, 50, 51. 
Blepharia, 185. 
Bluebottles, 106. 
Boraginaceae, 170. 
Boston District, Reports on the Flora 
of the, — XXX. 78; XXXI. 125. 
Botanieal and Bird Clubs, Annual 
Field Meeting of the Vermont, 144; 
Club, Field Meeting of the Ver- 
mont, 191; Club, 1919, Field Trips 
of the New England, 143; Club, 
Plans for 1919 Spring Field Trip 
of the, 86; Nomenclature, Neces- 
sary Changes in, 101. 
Botrychium virginianum, 200. 
Brachyelytrum erectum, 200. 
Brasenia, 75. 
Brassica arvensis, 170; 
170. 
Bromelica, 77, 215, 216; aristata, 
77; Geyeri, 78, var. Howellii, 
78; Harfordii, 78, var. minor, 
campestris, 
78; New Genus, 215; New Genus . 
of Grasses, 76; Smithii, 77; 
striata, 77; subulata, 78. 
a Na 76, 77, 215, 216; subulatus, 
8. 
Bryopsis arbuscula, 207; pennata, 
203, 205; plumosa, 207. 
Buda, 8. 
Buddleia, 5. 
Burns, G. P., The annual Field 
Meeting of the Vermont Botanical 
and Bird Clubs, 144. 
Caesalpinaceae, 190. 
Callitrichaceae, 125. 
Callitriche, 125; heterophylla, 125; 
. palustris, 125. 
Caltha palustris, 65,170. _ 
Calypogeia sphagnicola, 169. 
Calypso bulbosa, 65. 
Campanula, 107; rotundifolia, 201. 
Campylaephora hypneoides, 203, 206. 
Canoe-birch, 48. 
Cape Breton, Nichols’s Vegetation of 
northern, 171 
Capillaria, 110. 
Capsella bursa-pastoris, 170. 
Index 
223 
Cardamine pennsylvanica, 201. 
Cardiospermum, 127; Halicacabum, 
127. 
Carex albo-nigra, 84; arapahoensis, 
83; bromoides, 200; brunnescens, 
192, var. gracilior, 201; castanea, 
87; chordorhiza, 65;  Collinsii, 
118; communis, 200; Crawei, 87; 
diandra, var. ramosa, 202; digita- 
lis, 23, 24, 200, var. copulata, 23; 
ellynoides, 84; flava, var. gaspensis, 
40, var. gaspensis in Vermont, 40; 
glaucodea, 116; gracillima, 200; 
gynocrates, 65; impressa X Carex 
lanuginosa, 84; laxiculmis, 23, 24; 
laxiculmis copulata, 23; laxiflora, 
var. blanda, 200; Leavenworthii, 
85; leptonervia, 200; limosa, 202; 
mirabilis, 201; muskingumensis, 
85; Notes, 83; paupercula, var. 
pallens, 192; pedunculata, 200; 
pennsylvaniea, 107, var. lucorum, 
200; retroeurva, 24;  scabrata, 
200; subimpressa, 84; torta, 201; 
tribuloides, 85, var. reducta, 85, 
var. sangamonensis, 84, 85, var. 
turbata, 85; trisperma, 201; vagi- 
nata, 65; vestita, var. Kennedyi, 35. 
Carices, A Distinction between two, 
Carpinus, 190. 
Carya, 189. 
Caryophyllaceae, 170. 
Cassiope tetragona, 53. 
Castalia, 184. 
Castanea dentata, 44, 199. 
Catabrosa, 216. 
Catalpa Catalpa, 189. 
Caulophyllum thalietroides, 200. 
Ceanothus, 128; americanus, 128, 
199; ovatus, 128, var. pubescens, 
128. 
Cedar, 60; of Lebanon, 29; White, 
4, 58 
Cedrus, 67. 
Celastraceae, 126. 
Celastrus, 126; scandens, 126. 
Celtis pumila, 190. 
Cephalozia connivens, 168; Loitles- 
bergeri, 149, 168. 
Ceramium Boydenii, 203, 206; japoni- 
cum, 203, 206. 
Cerastium arenarioides, 5; biflorum, 
13; nutans, 201; vulgatum, 170. 
Ceratophyllum demersum, 121, 122. 
Chamaecyparis, 68. 
Chamaerops humilis, 29. 
a Kotschyana, 207; parvula, 
206. 
