vill 
Crantzia lineata, xii , 87. 
Cremalobus Bolivianus, spec. nov., xvi., 17. 
Cross-fertilization in Cereus, viil., 92. 
Crotalaria pods, elasticity of, vii., 20. 
Croton monanthogynum, sexuality of vil., 105. 
Crucifer, a new Mexican, ix., 124. 
Cruciferz, nectar glands of, xii., 10. 
Cryptogamia versus Heterophyta, xv,, 111. 
Cryptoporus, new subgenus of Fungi, vil, 104. 
Cucurbita, the fruits of, ix., *30. 
Cucurbita Californica, x., *50. 
Cucurbitaria, n. sp., x., 53, 89. 
Cynosurus cristatus, note on, vifi., 35. 
Cyperaces, a list of, xi., 85. 
Cyperacez, a new genus in, xiv., 135. 
Cyperi, preliminary list of North Ameri an 
species of, xili., 205. 
Cyperus, 0. sp.. xi., 29, 86; xii., 7. 
Cyperus echinatus (Ell.), Britton, xv., 99. 
Cyperus humilis, Kunth, var. elatior, n. big “ 
XV., 99. 
Cyperus Martindaleli, n. sp., xv., 98. 
Cyperus ovularis, and C. cylindricus, vil., *48._ 
Cyperus refractus, note on, x., 32. 
Cypripedium, monstrous, viil., 117. 
Cypripedium, spiked, xii., 28, 54. 
Daisy, ox-eye, abnormal, x1., 67. 
Dalea Boliviana, spec. nov., xvi., 259. 
Dandelion, adventitious leaf on, 1x., 11, 129. 
Danthonia, n. sp., X., 52 
Darlington, unpublished letter of, vili., 142. 
DeCandolle’s ‘‘ Cultivated Plants,” On some 
inaccuracies in, xv., 190. 
Delaware, floras of, viil., 88. 
Dendrodochium, n. sp., x1., 50. 
Dendrological Notes, xili., 78. 
Dendrometer, a simple, vili., *41. 
Desmids, new species of, vil., 44, *91; viil., *1; 
xii, *1, 51, *125, 133. 
Desmids of the United States, Turner’s new, 
xii, 56. 
Desmodium Mandoni, spec. nov., xv., 261. 
Desmodium Yungasense, spec. nov., xvi., 261. 
Deyeuxia, 0. sp., x., *64. 
Deyeuxia Suksdorfil, Scrib., xv., *19. 
Diaporthe, n. sp., x., 49, 89, 98. 
Diatomacex, new fossil deposits of, xiv., 57. 
Diatomacez of Shark River, N. J., xiv., 29. 
Diatoms, notes on, xiv. 25, 57, 78, 131, 141, 171, 
172, 174, 247. 
Diatoms of Atlantic City and Vicinity, xv., 
128. 
Diatoms, a descriptive list of Staten Island, 
Xiv., *69, *109; xvi., *93. 
Diatomaceous deposit, from Atlantic City, 
Fossil Marine, xvi., *71, *207. 
Dicentra Canadensis, tubers of, ix., 90. 
Dicentra Cucullaria, rootstock of, ix., *47, 
Dicentra, note on, x1., 55. 
Dicentra punctured by bees, xi., 66, 
GENERAL INDEX. 
Dichelyma longinerve, n. sp., Xvi., 97. 
Dichremena, a new species of, ix., 86. 
Dichromena Watson, n. sp., Xv., 101. 
Dickie, Dr. G., death of, ix., 120. 
Dicotyledon, a locomotive, viil., 116. 
Dicotyledons, nomenclature of leaves of fossil, 
xiil., 38. 
Dicranella parvula, n. sp., Xvi., 91. 
Dicranum leioneuron, n. sp., xvi, 92. 
Dicranum scoparium, var. scopariforme, n. 
var., XVi., 92. 
-Dicranum stenodictyon, n. Sp., XVi., 92. 
Dictyosiphon Macounii, n. sp., xvi., *11. 
Dictyosphzrium, n. sp., xii., 126. 
Dimeregramma Novee-Ceesarzea, ‘iD. sp., Xvi., 
‘ * id. 
Dioclea Boykinil, new station for, x., 133. ee 
Diospyros Kaki, economic use of, x., 95. ee 
Diplachne, n. sp., X., 30. a tee 
Disporum, Salisb. The genus, Xxv., 187. 
Distribution of the Buffalo Grass, xv., 215. 
- Dodecatheon, development of, xi., *31. 
Donnellia, new genus of Musci, vil , 15. 
Draba Crockeri, n sp., xvi., 221. 
Draba, D. sp., X., 125. 
Draba verna, biennial, vii., 21. 
Droseraceze of Spruce Pond, xi., 133. 
Dry rot, xii., 92. 
Drying plaints with little loss of color, a 
method of, xiv., *33. 
Duct formation in chestnut wood, xiii., 91. 
Duguetia glabra, spec. nov., xvi., 14. 
Echinocystis and Echinopepon, xiv., 155. 
Echinospermum Greenel, 1x., 128. 
Ectocarpus, n. sp., xii., 125. 
Ectocarpus tomentosoides, n. sp., xvi., *11. 
Elastic stamens in Composite, xvi., 68. 
Electric light, influence on vegetation, vii., 59. 
Electricity, influence on plant growth, vii., 37. 
Electric phenomena in plants, Ix., 142. 
Eleocharis nodulosa, note on, Ix., 56. 
Eleocharis, n. sp., X., 101. 
Elm, change in leaves of, xil., 87. 
Elymus, proliferous, x., 9. 
Elymus, n. sp., xi., 126. 
Encelia, n. sp , X., 41. 
Engelmann, George, xi., 20, *38. 
Engelmann, Dr., tribute to, xil., 55. 
Epigaea repens, late flowering, ix., 12. 
Epilobium palustre, bulbs of, x., 24. 
Epilobium exaltatum, n. sp., xvi., 151. 
Epipactis Helleborine, new station, ix., 127. 
Erica and Calluna on Nantucket, xili., 246. 
Erica cinerea, xiv., 11. 
Ericacez, anthesis in, xil., *16. 
Erigeron, fasciation in, vii., 68, 
Erlogonum speciosum, n. sp., xvL, 152. 
Eryngium Ludovicianum, n. sp., xiv., 51. 
Erythronium albidum, Nutt., var. coloratum, 
nD. var., XV., 111. 
