1911] 
‘Cranberry, 217; Mountain, 136. 
Crataegus, 18; coccinea, 36. 
Cromwell, Connecticut, Anthyllis 
Vulneraria at, 240. 
‘Crotalaria sagittalis, 8. 
Cruciferae, 89. 
Cryptogramma Stelleri, 137. 
‘Curlew-berry, 123. 
‘Currant, Skunk, 138. 
Cuscuta arvensis, 8, 151; compacta, 
‘Cushman, J. A., Reports on the 
Flora of the Boston District,— 
VIII, 27, IX, 72, X, 82, XI, 104, 
XII, 232, XIII, 248; Three addi- 
tional Plants from Nantucket, 
105. 
‘Cynanchum nigrum, 70, 91, in 
Barnstable, Massachusetts, 70, 
Cynoglossum officinale, 89. 
Cyperaceae, 5, 6, 27, 72, 83, 104, 233, 
248. 
‘Cyperus, 22, 27; aristatus, 27, 53; 
dentatus, 28, 53, var. ctenostachys, 
28; diandrus, 28; Engelmanni, 
28; erythrorhizos, 28; esculentus, 
28, 218; ferax, 28; filiculmis, 28, 
var. macilentus, 28; fuscus, 28; 
Grayii, 22, 27; Nuttallii, 29, 178; 
ovularis, 29; rivularis, 20; strigo- 
sus, 29, var. capitatus, 29, var. 
compositus, 29, var. robustior, 29. 
“Cypripedium acaule, 97, 139; hir- 
sutum, 114, 115, 132. ' 
"Cystopteris bulbifera, 124, 132; mon- 
tana, 124, 219. 
Dalibarda repens, 141, 161, 229. 
Danforth, C. H., A Dimorphism in 
Tiarella cordifolia, 192. 
Danthonia, 134; intermedia, 118, 
137. 
Davis, S., Some fleshy Fungi of 
Stow, Massachusetts, 57. 
Day at Congamond Lakes, 53. 
Deane, W., A Correction regardin 
Professor Penhallow, 56; Davi 
Pearce Penhallow, 1; Recent 
Treatment of Panicum compared 
with that of Gray’s Manual, 66; 
Reports on the Flora of the Boston 
District, — VIII, 27, IX, 72, X, 
82, XI, 104, XII, 232, XIII, 248; 
Teratology in Trillium ovatum 
Pursh, 189. 
Dentaria, 229. 
Dermocarpa, 185; Vickersiae, 184. 
Deschampsia caespitosa, 131. 
Index 
259 
Desmodium, 18, 19, 21, 33; canes- 
cens, 33; obtusum, 19. 
Dewberry, 123. 
Diapensia, 123; lapponica, 117, 136. 
Dicksonia, 102; punctilobula, 101. 
Dicranum, 41, 42; condensatum, 40, 
41; Drummondii, 42; fulvum, 
42; Muhlenbeckii, 41; pallidum, 
40, 41; sabuletorum, 40, 41; 
scoparium, 41; spurium, 40, 41, 
var. condensatum, 40; strictum, 
43; undulatum, 42; viride, 42. 
Dictyopteris delicatula, 184. 
Diervilla Lonicera, 117, 146. 
Digitalis purpurea, 132. 
Dimorphism in Tiarella cordifolia, 
192. 
Dioscorea, 34, 35; floridana, 35; 
glauca, 35; hirticaulis, 35; pani- 
culata, 35, var. glabrifolia, 35; 
quarternata, 35; sativa, 35, 36; 
villosa, 35, 36. 
Dioscoreae of the United States, 
Bartlett’s, 34. 
Diplotaxis, 11; bracteata, 11; mur- 
alis, 11; tenuifolia, 11. 
Dogwood, Poisonous, 57. 
Draba, 216; arabisans, 117; aurea, 
219; caroliniana, 8; incana, 119, 
var. confusa, 119. 
Dracocephalum parviflorum, 219; 
thymiflorum, 212, a casual Plant 
at Westford, Massachusetts, 212. 
Drepanoclados scorpioides, 45. 
Drosera anglica, 127, 133; linearis, 
132; rotundifolia, 138. 
Drummondia clavellata, 46. 
Dryas Drummondii, 141, 148, 223; 
integrifolia, 127, 129, 136, 219, 
223, var. canescens, 129; octo- 
petala, 223. 
Dryopteris cristata, 116, 139, 146; 
Filix-mas, 116, 137; fragrans, 111, 
218, 219; marginalis, 141, 147. 
Dulichium, 29; arundinaceum, 29. 
Eames, A. J., Stump-healing in 
Pinus Strobus, 253. 
Echenias carlinoides, var. nutans, 
239. 
Echinochloa Walteri, 21. 
Echinodorus tenellus, 151, 155. 
Eelgrass, 215. 
Elatine americana, 135, 140. 
Eleocharis, 72; acicularis, 72; di- 
andra, 178; Engelmanni, 72, var. 
detonsa, 72; interstincta, 72, 151; 
nitida, 134, 138; obtusa, 72, 141; 
