204 — Index 243 
Nardia crenulata, 9; Geoscyphus, 
9; obscura, 9. 
Nemalion multifidum, 191, 214. 
Nepeta Cataria, 227. 
Netrium, 205; Digitus, 205; var. 
constrictum, 205. 
New England, Lepidium latifolium 
in 107; 
Newfoundland, Some Senecios of, 
New Hampshire, Eleocharis tuber- 
culosa in, 37; A new Species of 
Rhizopogon from, 195. 
New Satureja from Florida, A, 80; 
Variety of Bidens heterodoxa, 
177. 
Nicotiana Tabacum, 133. 
Nitzschia Closterium, 193, 217; 
fonticola, 194, 217; frustulum, 
var. perminuta, 194, 217; longis- 
sima, 193, 194, 217; scalaris, 194, 
217; Sigma, 193, 194, 217. 
Nodularia Harveyana, 163; palu- 
dosa, 211. 
Nomenclature, Some Changes in, 
North American Scutellarias, Notes 
on, 61 
Northern Hemisphere, Polystichum 
mohrioides and some other sub- 
antarctic or Andean Plants in, 89. 
Nostoc, 161, 211; caeruleum, 163; 
commune, 162, 163;  macro- 
sporum, 163; microscopicum, 163; 
punctiforme, 163. 
Note on Stellaria pubera, A, 169. 
Notes on American Lespedezas, 25; 
on North American Scutellarias, 
61; on some Plants of eastern 
New York, 221. 
Notholaena Grayi, 49; Schaffneri, 
var. mexicana, 49. 
Notothylas orbicularis, 13. 
Nyssa sylvatica, 129. 
Odontoschisma 
elongatum, 11. 
Oedogonium, 212; longatum, 165. 
Oenothera angustissima, 3; biennis 
3, 4, 185, 186, 226; var. nutans, 
3: var. pycnocarpa, 3; grandi- 
flora, 3, 226; Lamarckiana, 3; 
muricata, 3, 4; nutans, 3; parvi- 
flora, 4; var. angustissima, di 
pycnocarpa, 3. 
Oleaceae, 227. 
Onagraceae, 226. 
Onopordum, 131; Acanthium, 131. 
denudatum, 11; 
Onychonema, 210; filiforme, 210; 
laeve, 210. 
Oocystis, 212; solitaria, 165; soli- 
taria major, 165. 
Ophiocytium parvulum, 165. 
Oplopanax, 124; horridum, 123, 124. 
Orobanche, 133; ramosa, 133, 134, 
135; on a Coleus, 133. 
Orontium aquaticum, 180. 
Oscillatoria, 211, 215; amoena, 163, 
amphibia, 215; chalybea, 164: 
formosa, 164; margaritifera, 190; 
212, 215; princeps, 164; splendida, 
164, 211; subuliformis, 215; 
tenuis, 211. 
Ovularia obliqua, 218. 
Oxalidaceae, 226. 
Oxalis stricta, 186, 226. 
Palafoxia, 131; texana, 131. 
Pallavicinia Flotowiana, 7; Lyellii, 
7. 
Palmodictyon varium, 212. 
Panax horridum, 124. 
Pandorina Morum, 212. 
Panicularia nervata, 139. 
Panicum albemarlense, 180; Lind- 
heimeri, var. fasciculatum, 223; 
oricola, 223; spretum, 37; ver- 
rucosum, 180. 
Parthenium, 131; 
131. 
Pastinaca, 23. 
Pease, A. S., Eleocharis tuberculosa 
in New Hampshire, 37. 
Pediastrum Boryanum, 165; Borya- 
num longicorne, 165; tricornutum 
alpinum, 162, 165. 
Pellaea Wrightiana, var. compacta, 
49 
Hysterophorus, 
Pellia epiphylla, 8. 
Pelliaceae, 7. 
Penikese, The Flora of Fifty Years 
after, 181, 211, 222. 
Penium, 204, 205; cruciferum, 205; 
cucurbitinum, 205; margarita- 
ceum, 205; Navicula, 205. 
Penland, C. W., Notes on North 
American Scutellarias, 61. 
Perilomia, 61, 62, 63; ocymoides, 63. 
Petalonia fascia, 214; var. caespi- 
tosa, 214. 
Petasites, 131; palmatus, 131; vul- 
garis, 131. 
Phaeophyceae 189, 190, 213. 
Phalaris arundinacea, 144. 
Phallus duplicatus, 196. 
Phleum pratense, 186, 223. 
