1907] 
Crucifers, 40. 
Cryptogramma densa, 158, 167; Stel- 
leri, 154, 158, 166, 172, 173. 
Cryptotaenia, 54. 
Ctenium, 53. 
Cuphea, 63; viscosissima, 63. 
Curlew-berry, 149, 177. 
Currant, Red, 1. 
Cuscuta, 50; compacta, 11. 
Cushman, J. A., New England Species 
of Penium, 227; Primula farinosa, 
var. macropoda on the Maine Coast, 
217; Synopsis of the New England 
species of Pleurotaenium, 101. 
Cyclotella antiqua, 125, 140; Kuet- 
zingiana, 140; striata, 140. 
Cymatopleura elliptica, 137; hibernica, 
137; marina, 137; solea, ‘137. 
Cymbella, 131; affinis, 135; ameri- 
cana, 135; cistula, var. maculata, 
135; cuspidata, 135; cymbiformis, 
var. parva, 135; Ehrenbergii, 135; 
gastroides, 135; heteropleura, 135. 
Cynanchum nivale, 43. 
Cynodon, 53. 
Cypripedium acaule, 121; Hookerae, 
39; parviflorum, 160; spectabile, 
124. 
Cystopteris, 84; bulbifera, 124; fragilis, 
84, 158; montana, 158, 170. 
Cytisus, 51; biflorus, 51; Fontanesii, 
51. 
Dactilon, 53. 
Dactylicapnos, 54. 
Danthonia intermedia, 28, 159, 167, 
190. 
Dasya, 91; elegans, 90. 
Datisca hirta, 115. 
Dentaria, 47. 
Denticella mobiliensis, 138; rhombus, 
138. 
Deringa, 54. 
Deschampsia atropurpurea, 24, 156, 
158, 166, 190;  caespitosa, var. 
alpina, 158, 167, 191. 
Desmids, 227. 
Desmodium, 54; canadense, 121; cili- 
are, 121; cuspidatum, 13; panicu- 
latum, 121; rigidum, 121; sessili- 
folium, 13. 
Diandrae, 221. . 
Dianthus Caryophyllus, 37; mon- 
spessulanus, 39. 
Diapensia, 154; lapponica, 163, 169. 
Diatoma anceps, 137; elongatum, var. 
tenue, 137; hiemale, 137; tenue, 
137; vulgare, 137. 
Index 
239 
Diatoms, 125-129, with some Account 
of their Distribution in certain Parts 
of the State, A partial List of Con- 
necticut, 125. 
Dicentra, 54. 
Dickiea crucigera, 135. 
Dicksonia, 27, 85; pilosiuscula, 85; 
punctilobula, 85. 
Diclytra, 54. 
Dicotyledoneae, 36. 
Dicranum Bergeri, 65. 
Dielytra, 54. 
Diervilla, 147; Lonicera, 147; 
laris, 147; sessilifolia, 147; 
dens, 147; trifida, 147. 
Diervilla $ Weigela, 147. 
Diervillas, Flower Color of the Ameri- 
can, 147. 
Digitalis lutea X purpurea, 41. 
Dimerogramma minus, 138; Surirella, 
138. 
Diphryllum, 53. 
Diplogon, 55. 
Diplomorpha, 49. 
Diploneis didyma, var. obliqua, 134. 
Dissarrenum, 53. 
Ditylium Brightwellii, 130, 139; in- 
aequale, 139; intricatum, 139; tetra- 
gonum, 139; trigonum, 139. 
Dobbin, F., Rediscovery of Podoste- 
mon ceratophyllus in Vermont, 220. 
Docidium Archeri, 104; clavatum, 
104; constrictum, 105; coronatum, 
rivu- 
splen- 
102; Ehrenbergii, 103; indicum, 
104; maximum, 104; minutum, 
232; nodosum, 105; nodulosum, 
102; Trabecula, 103; truncatum, 
; verrucosum, 105. 
Dondia, 54, 140; americana, 141, 144, 
146; maritima, 141, 145. 
Draba arabisans, 161, var. orthocarpa, 
161; aurea, 161; corymbosa, 161; 
incana, 154, 161, var. confusa, 161; 
megasperma, 161; pyenosperma, 161; 
stylaris, 154, 161, 166. 
Drosera intermedia, 121; linearis, 189; 
rotundifolia, 121. 
Droseras, 120. À 
Dryas Drummondii, 151, 152, 162, 167, 
179, 188, 191; integrifolia, 162, 167, 
183. 
Dryopteris, 27;  acrostichoides, 27; 
Filix-mas, 27, in Vermont, Further 
information regarding the Occur- 
rence of, 27; fragrans, 154; Goldiana, 
27; marginalis, 27; noveboracensis, 
27, 121; simulata, 121; spinulosa, 
27, 121; Thelypteris, 121. 
