1905] 
194; rhombifolia, 174; Robbinsi- 
ana, 197; scabrida, 209; Searsii, 
183; Seelyana, 209; serena, 201; 
spatiosa, 180, 182; Stratfordensis, 
178; Thayeri, 184; umbratilis, 192; 
viridimontana, 204,205; Websteri, 
215. 
Crataegus $ Anomalae, 209; Coccin- 
eae, 182, 209, 213; Flabellatae, 208 ; 
Intricatae, 219;  Molles, 206; 
Pruinosae, 193; Punctatae, 192; 
Tenuifoliae, 199; Tomentosae, 
162, 182, 209. 
Croton, 160. 
Crotonopsis, 158. 
Cushman, J. A., A Contribution to 
the Desmid Flora of New Hamp- 
shire, DII251: 
Cyanophyceae, 236. 
Cylindrocystis, 113; americanum, 
113, var. minor, 113; Brebissonii, 
113, var. minor, 113; crassa, 113; 
diplospora, 113. 
Cylindrospermum majus, 236. 
Cynoglossum, 249; boreale, 250; A 
northern, 249; officinale, 249; 
virginicum, 249, 250. 
Cyperaceae, 81. 
Cyperus setifolius, 142. 
Cypripedium, 160. 
Cyrtopodium, 120. 
Dalibarda repens, 110. 
Danthonia compressa, 109. 
Dasya, 169; elegans, 137, 233. 
Death of Francis Howard Peabody, 
269. 
Decodon verticillatus, 74. 
Delesseria Leprieurii, 233. 
Dendrobium, 120. 
Dendrophylax, 120. 
Deschampsia caespitosa, 106. 
Desmarestia aculeata, 228; 
Dos. 
Desmid Flora of New Hampshire, 
Contribution to the, I II, 251. 
Desmidium, 265; aptogonum, 265; 
Baileyi, 265; coarctatum, 265; 
cylindricum, 265; graciliceps, 265 ; 
quadratum, 265 ; Swartzii, 265. 
Desmids, 111, 266. 
Desmodium, 28. 
Desmotrichum, 228; balticum, 
undulatum, 227. 
Dewey, L. H., Identity of Prickly 
Lettuce, 9. 
Dichothrix gypsophila, 238; Hos- 
fordii, 238; Orsiniana, 238. 
viridis, 
227; 
Index 
275 
Dicksonia, 99; pilosiuscula, forma 
schizophylla, 99, in Vermont, 99. 
Dicotyledons, 30. 
Dictyosiphon foeniculaceus, 242, var. 
americanus, 228; hippuroides, 242, 
243. 
Digitalis, 16. 
Diodia, 160. 
Docidium, 116; constrictum, , 117; 
coronatum, 117; dilatatum, 116, 
117; minutum, 114; rectum, LITA 
undulatum, 116, 117, forma perun- 
dulatum, 116, 119. 
Dolicholus, 28. 
Draba Arabis, 66; arabisans, 61, 62, 
65, 67, var. canadensis, 67, var. 
orthocarpa, 66,67 ; borealis, 63, 65, 
267, in eastern America, 267; cana- 
densis, 62, 67; confusa, 61, 62, 64 ; 
contorta, 63; glabella, 62, 66, 67; 
Henneana, 62, 64; incana, 61-64, 
67, 267, and its allies in northeast- 
ern America, 61, var. arabisans, 66, 
var. confusa, 61, 64, var. diffusa, 63, 
var. glabriuscula, 66, var. hebe- 
carpa, 61, 64, var. legitima, 63; 
Longii, 62; megasperma, 65, 67, 
267; pycnosperma, 67 ; stylaris, 62, 
64, 67; Thomasii, 64. 
Draparnaldia glomerata, 240; plum- 
osa, 240. 
Drosera, 18, 21-23; anglica, 8; fili- 
formis, 74; intermedia, 15, 94, 
187; linearis, 8; longifolia, 8; 
rotundifolia, 8, 9, 14, 15, 21, 27, 94, 
a peculiar Variety of, 8, var. com- 
osa, 9, 27, 93. 
Droseraceae, 21. 
Droseras, 8, 78. 
Dryas Drummondii, 5, 249. 
Dulichium arundinaceum, 72. 
Dwarf Misletoe, 108. 
Eatonia Dudleyi, 68; obtusata, 138 ; 
pennsylvanica, 68; pubescens, 138, 
extension of Range of, 138. 
Echinodorus parvulus, 71. 
Eclipta, 174; alba, 173, in Massachu- 
setts, 173. 
Ectocarpus aecidioides, 226; amphi- 
bius, 226; confervoides, 226, 243, 
forma brumalis, 227 ; reptans, 227; 
siliculosus, 227; subcorymbosus, 
227. 
Elachista fucicola, 228; lubrica, 242; 
Sp., 243. 
Elatine, 159; americana, 95. 
Eleocharis interstincta, 72; melano- 
