1923] Index 231 
Myrtillus uliginosa, var. micro- 
phylla, 25, var. pubescens, 25. 
Najadaceae, 6. 
Najas, 105, 109; flexilis, 107, 108, 
206, var. robusta, 206; gracillima, 
109; guadaluvensis, 107, 108, 
206; in northeastern America, 
Notes on the Distribution of, 
105; indica, var. gracillima, 109; 
major, 106; marina, 106. 
Narcissus, 176. 
Nardia crenulata, 195; erenuli- 
formis, 195; fossombronioides, 
195, 198; geoscyphus, 195; hya- 
lina, 195; obovata, 195; obscura, 
195. 198; sealaris, 195. 
Native Tansy of Newfoundland, 13. 
Naturalized Occurrence of Prunus 
Padus in America, 169. 
Neesiella, 74; pilosa, 74, 199; 
rupestris, 75, 198, 199. 
Nepeta, 40; Cataria, 40; hederacea, 
40, var. parviflora, 40. 
Nephrodium fragrans, 2, 3. 
New England, Another Orchid new 
to, 47; Coast, Dumontia fili- 
formis on the, 33; Hepaticae, 
Notes on, —XVII. 74, 89, Second 
Revised List of, 192. 
New Hampshire, Plant Notes from 
Squam Lake, 183. 
New Station for Daphne, 45; for 
three local Appalachian Plants, 
168. 
New York, Notes on some Plants 
of the Ontario and St. Lawrence 
Basins, 205. 
Newfoundland, The native Tansy 
of, 13. 
Nicandra, 61; physalodes, 61. 
Nichols, G. E., Cercis canadensis 
in Connecticut, 203. 
Nicotiana, 61; Bigelovii, 61; longi- 
flora, 61; rustica, 61. 
Niobea pratensis, 144. 
Nomenclatorial Transfers in Maris- 
eus, 49. 
North America, Some critical Plants 
of Atlantie, 17. 
North Ameriean Species of Limo- 
nium, Notes on the, 55. 
Northern Variety of Geum virginia- 
num, 98. 
Norway Maple, 173, 174. 
Note on Poria fatiscens, 163. 
Notes on New England Hepaticae, 
—XVII. 74, 89; on some Plants 
of the Ontario and St. Lawrence 
Basins, New York, 205; on the 
Distribution of Najas in north- 
eastern America, 105; on the 
North American Species of Limo- 
nium, 55; on Trees & Shrubs of 
the southeastern United States, 
179; on Triosteum perfoliatum 
and related Species, 199; on 
two Ericaceae of the Boston 
District Flora, 116. 
Notothvlas orbicularis, 197. 
Nye, H. A., A new Station for 
Daphne, 45; A Station in Maine 
for Ilex verticillata, forma chry- 
socarpa, 148. 
Nyssa sylvatiea, 185. 
Ocimum, 40; Basilieum, 40. 
Odontoschisma denudatum, 196; 
elongatum, 196; prostratum, 196. 
Oenothera perennis, 47, var. recti- 
pilis, 47; pumila, 47, var. recti- 
pilis, 47. 
Onagraceae, 10. 
Onions, 102. 
Ontario and St. Lawrence Basins, 
New York, Notes on some Plants 
of the, 205. 
Orange, Osage, 174. 
Orchid new to New England, An- 
other, 47. 
Orchidaceae, 7. 
Orchideae, 158. 
Orchis spectabilis, 45. 
Origanum, 40; marjorana, 40; vul- 
gare, 40. 
Ornithogalum, 155; hirsutum, 126. 
Orobanchaceae, 186. 
Orobanche, 186; uniflora, 186. 
Orthocarpus, 65; purpurascens, 65. 
Osage Orange, 174. 
Osmorhiza, 110; Claytoni, 110; 
longistylis, 110, The Forms of, 
110, var. brachycoma, 110, 
var. villicaulis, 110, 111. 
Osmunda Claytoniana, 6. 
Osmundaceae, 6. 
Oxytropis arctobia, 113, 222; cam- 
pestris, var. caerulea, 9, var. 
melanocephala, 113. 
Oxyria digyna, 112. 
Pallavicinia Flotowiana, 193; Lyellii, 
Panicum agrostoides, 207; flexile, 
