1910] 
Cypress Spurge, 58. 
Cypripedium hirsutum, 
parviflorum, 117, 118. 
Cystopteris bulbifera, 170. 
116, 117; 
Daucus Carota, 104. 
Deane, W., Euphorbia Cyperissias 
iM hri Oe tourin Pinus 
rigida for Coos County, New 
Hampshire, 99; Note on Des- 
modium canescens and Hyoscya- 
mus niger, 214; Pogonia triantho- 
phora in Holderness, New Hamp- 
shire, 206; Reports on the Flora 
of the Boston District,— VI, 3, 
VII, 95; Some Facts relating to 
Silene antirrhina, 129; Teratology 
in Trillium, 163;  Zannichellia 
palustris,.an additional Record, 12. 
Decodon verticillatus, 156. 
Deerberry, 168. 
Desmodium canescens, 190, 215, and 
Hyoscyamus niger, Note on, 214; 
Dillenii, 215; marilandicum, 215; 
panieulatum, 215; rigidum, 215; 
rotundifolium, 215. 
Diastoloba, 203. 
Dichanthelium, 219. 
Diervilla, 184; Lonicera, 184. 
Digitaria sanguinalis, 104. 
Diplophylleia apieulata, 203. 
Dobbin, F., Tetraplodon australis in 
Massachusetts, 156. 
Dock, 104. 
Dog Wheat, 27. 
Dogwood, Alternate-leaved, 182. 
Dondia Moquina, 16. 
Downy Green Alder, 178. 
Draba verna, 128. 
Dragon’s Claws, 132. 
Drepanocladus 154; aduncus, 
154; subaduncus, 153, 154. 
Drosera anglica, 117; linearis, 116, 
117, 119. : 
153, 
Eames, A. J., Two Plants new to 
Massachusetts, 204. 
Eames, E. H. [Notice of Work], 131. 
Early Sweet Blueberry, 183. 
Echinodorus, 3, tenellus, 3. 
Eggleston, W. W., Crataegus viridis 
L., in Virginia, 93. 
Elder, Common, 184; Red-berried, 
184. 
Eleocharis Engelmanni, var. detonsa, 
155; intermedia, var. Habereri, 
155; olivacea, 120; palustris, 
var. calva, 155; rostellata, 120, 
135. 
* 
Index 235 
Elephantopus, 171; carolinianus, 171; 
nudatus, 171; tomentosus, 171. 
Elm, American, 179. 
Elodea, 4; canadensis, 4. 
Elsholtzia Patrini, 117, 142. 
Elymus arenarius, 26-30, 36, 35; 
canadensis, 26; caninus, 63, 70; 
mollis, 26; virginicus, 26, var. 
submuticus, 186, 192. 
Empetraceae, 181. 
Empetrum, 106, 181; nigrum, 105, 
106, 181. 
Encelia nutans, 16. 
Enteromorpha, 9. 
Ephemereae, 146, 147, 149. 
Ephemerum, 147, 148, 150; co- 
haerens,: 147, 149, 150; crassi- 
nervium, 149, 150; hystrix, 149; 
megalosporum, 149, 150; papil- 
losum, 149, 150; serratum, 148- 
150; sessile, 149;  spinulosum, 
147-150. 
Epigaea repens, 129. 
Equisetum, 170; pratense, 113; scir- 
poides, 170; variegatum, 112. 
Eragrostis, 40; capillaris, 40. 
Ericaceae, 182. 
Erigeron aeris, 225, 227, in north- 
eastern America, The Representa- 
tives, of, 225, var. asteroides, 225, 
227, var. debilis, 226, var. droe- 
bachensis, 225, var. oligocephalus, 
226, 227; alpinus, 226, var. elata, 
296: armeriaefolius, 227; armeri- 
folius, 227; asteroides, 225; droe- 
bachensis, 225; elatus, 226; hysso- 
pifolius, 114; lonchophyllus, 227; 
racemosus, 227. 
Eriocaulaceae, 6. 
Eriocaulon, 6; septangulare, 6. 
Eriophorum angustifolium, 103; cal- 
litrix, 119, 127; gracile, 127. 
Errata, 230. 
Erythronium americanum, 128. 
Euphorbia, 14, 58; Cyparissias, 57, 
60, in Fruit, 57;  Esula, 59; 
glyptosperma, 140; hirsuta, 140; 
maculata, 140; serpyllifolia, 140. 
Euphrasia, 105; americana, 103, 143; 
Randii, 105, 143; var. Farlowii, 
105, 107, 143. 
Evans, A. W., Notes in New England 
Hepaticae,— VIII, 193. 
Extension of some Ranges in eastern 
Massachusetts, 38. 
Fagaceae, 178. 
Fagus, 178; grandifolia, 178. 
False Acacia, 181. 
