GENERAL INDEX. xiii 
Navicula De Wittiana, n. sp., XvL., *209. 
fs Schultzei, n. sp., Xv., *75. 
‘©  trinodis, var. inflata, n. var., Xvi., 
101. 
Necrology, vili., 12. 
Nectar, its nature and uses, vil., 91. 
Nectar-glands of Apios, xv., *133. 
“d ** cruciferse, Xii., 10. 
Nectria, n. sp., Vil, 74; X., 77. | 
Negundo, polyphylly of gynoecium in vii., 73. 
Nelumbium, new station, xil., 30. 
Nemophila, cleistogenous, x., 119. 
Neopeckia, new genus of fungi, x., 127. 
Nesaea, petalody of stamens in, vil., 67. 
Nesvea verticillata, on the floating tissue of, 
xvi., *315. : 
Nevada and Utah, notes from, x., 69. 
Nevada, notes on flora of, ix., 5. 
New England, new finds in, viii., 6. 
New Jersey, Botanical trip into, xi,, 90, 
_ = floras of, vili., 81. 
notes from, xi., 32. 
New Mexico, new plants of, viii , 97, 121. 
New York, floras of, viii, 16. = 
rd “ _ City stations, new, vill., 130. 
Central, notes from, x., 46. 
‘Stations, new, X., 46. 
Nidularia, n. sp., x1, 18. 
Nitella Macounii, Allen, Xv., 11. 
Nitella Morongil, n. sp., Xiv., *214. 
‘Nitella Muthnate, n. sp., xiv., *211. 
Nodularia Mainensis, n. sp., xvi., 188. 
Nomenclature, a point in, xiv., 167. 
ss Question and How to Settle it, 
xyv., 230. 
North Carolina, notes from, ix., 115. 
Notelets, xii., 86, 
Notes from New Hampshire, xvi., 329. 
‘from Queens County, Long [sland, xtv., 
18. 
“from the Saguenay River, xlli., 188. 
“from Schenectady, xill., 39. 
Notholzena, n. sp., X., 27. 
ine Grayl, vil., *50 
Nummularia, n. sp., xi., 74. 
Nuphar, xiv., 177. 
Nutation in Epilobium, ix., 8. 
Nymphea, Xiv., 177. 
Nymphea elegans, re-discovery of, Xv., 13. 
Oak, hybrid, near Keyport, ix., *13. 
Oaks, hybrid, viil., 132; ix., 55. 
“ hybrid, a recent discovery on Staten 
Island, Xv., *303. 
“hybrid, near Washington, x., *25. 
_ “  varlability of, ix., 118. 
(Edogonium, n. sp., xii., 126, 
_nothera, n. sp., x., 41, 125. 
. Onagrace, stipules in, xi, 9. 
Onoclea, spores of, xii, *8. 
ad sensibilis, obtustlobata, vill., 101, 109. 
ce ow 
‘3 “ 
“ac e 
Onoclea, sensibilis, var. obtusilobata, ix., 6. 
Onondaga Co., N. Y., notes on flora of, x., 121. 
Onondaga Indian names of plants, xvi , 54. 
Onondaga Plant Names, xv., 214, ° 
Ophioglossum nudicaule, ix., 71. 
sid palmatum, variations of, viil., 
89, 
ve vulgatum, ix., 55 
Opuntia, fertilization of, x., 79. 
“ fruit of, xfi., 133. 
& uses of, xif., 121. 
Orange leaf scab, notes on the, xili., 181. 
Orchidaceze of Spruce Pond, x1, 133. 
Orcuttia Californica, Vasey, n. sp., xlli., *219. 
Oriole’s nest, vegetable fibres in, ix., 57. 
Orthotricum Pringlei, C. Mull, n. sp., xflf., 120. 
Osmorrhiza as a bur, x1., 92. 
Osmunda cinnamomea, var. frondosa, xiii., 
*62. 
Ovary, the ideal, xvi., 77. 
Oxalis Andina, spec. nov., xvi., 159. 
** Boliviana, spec. nov., xvi, 159. 
Oxytheca, N. sp., X., 23. 
Pachyphyllosis, xit., 90. 
Palms and Pines among the, x., 81. 
Palms of the U. 8., xi., 68. 
Panicum, n. sp., xi., 61. 
Panicum Havardii, n. sp., xiv., 95. 
Papaw, the, xii., 122. 
Parasites of money, xi., 71. 
Pardancthus, germination of, xi., *93. 
Parkinson's Paradisus, xi., 46. 
Parmelia furfuracea in embalming, ix., 162. 
Parnassia, ripening of anthers, vii., 59. 
' Paspalum, synopsis of the genus, xiv., 162. 
Peach, Indian, xii., 84, 
Pears, prickly. xii., 77. 
Pennsylvania, floras of, vili., 81 
Pentstemon, n. sp., X., 127. 
=i Digitalis, range of, xi., 140. 
Peronospora infestans, the mode of destruc- 
tion of the potato by, xiii, 191. 
Periconia, n. sp., X., 50. 
Peziza, n. 8p., X., 52, 76, 98; a 18, 41, 74. 
Phaeosaccion, new genus of algae, ix., 66. 
Phalloid, an imperfectly described, ix., *123. 
Phalloids, odor of and frequency, vii., 30, 
Phalloidei of the U. S., list of, vii., 11. 
“ “ additional, vil., 29. 
Phanerogams, new or noteworthy North 
American, xv., 97. 
Phegopteris Dryopteris, note on, vil,, 118, 
Philadelphia, Acad. Nat. Sciences, xi., 138, 
Phillippine Islands, notes from. xvi, 217. 
Phleum, viviparous, vii., *118. 
Phoradendron, xi, 87. 
og range of, x1, 76. 
Photepinasty of leaves, x., 84. ‘ 
Phyllody of bracts in Alnus, ix., 120. 
‘sof calyx in Trifolium, viil., 113. 
