280 
Fern, Lady, 170, 171, 181, 187. 
Fernald, M. L., A boreal and sub- 
alpine Variety of Spiraea latifolia, 
254; Carex gynocrates in Pennsyl- 
vania, 110; A diagnostic Charac- 
ter of Nuphar microphyllum, 111; 
Gentiana clausa a valid species, 
147; The Genus Elatine in east- 
ern North America, 10; The Genus 
Erechtites in temperate North 
America, 24; Helianthemum du- 
mosum on the Mainland of New 
England, 58; The Identity of 
Circaea canadensis and C. inter- 
media, 85; A new alpine Willow 
from the White Mountains, 221; 
A new Cardamine from southern 
Maine, 91; A new Juncus from 
Cape Cod, 17; A new Luzula from 
eastern Canada, 38; New or criti- 
cal Species or Varieties of Ranun- 
culus, 135; New Species, Varieties 
and Forms of Saxifraga, 141; A 
new Vitis from New England, 144; 
A remarkable Colony of Bidens in 
Connecticut, 257; Some color 
Forms of American Anemones, 139; 
Some Forms of American Gentians, 
149; Some new or critical Plants 
of eastern North America, 152; 
Some Polygonums new to North 
America, 133; The specific Char- 
acters of Hepatica americana, 45; 
The tardy Flowering of Plants 
in eastern Massachusetts in the 
Spring of 1917, 219; Tiarella 
cordifolia, forma parviflora, n. f., 
132; Two new maritime Plants of 
northeastern North America, 76; 
The Variations of Polygonum 
pensylvanicum, 70. 
Ferns, allied to Athyrium Filix- 
femina, The Genus Athyrium and 
the North American, 170; Lady, 
188, 189; Taxonomic and geo- 
graphic Studies in North Ameri- 
can, 169. 
Festuca ovina, var. duriuscula, 120; 
rubra, var. subvillosa, 120. 
Field Meeting of the Josselyn Bo- 
tanical Society of Maine, 92. 
Filipendula Ulmaria, var. denudata, 
227. 
Fimbristylis puberula, 97. 
Fissidens grandifrons, 68. 
Fletcher, E. F., Some further Plants 
found on Woolwaste at Westford, 
Massachusetts, 132. 
Rhodora 
[DECEMBER 
Flora of Connecticut, Additions to 
the, 105, 119, 224, 245. 
Flowering of Plants in eastern Massa- 
chusetts in the Spring of 1917, The 
tardy, 219. 
Fontinalis Umbachii, 69. 
Form of Solidago sempervirens with 
white Rays, 20. 
Forms of American Anemones, Some 
color, 139; of American Gentians, 
149; of Impatiens biflora, 115; of 
Saxıfraga, New Species, Varieties 
and, 141. 
Fossombronia crispula, 69. 
Fragaria grandiflora, 227. 
Fraxinus anomala, 23; quadrangu- 
lata, 23. 
Fruit of mountain Magnolia, 256. 
Frullania, 270; Selwyniana, 272. 
Fucus, 83; bacciferus, 78; natans, 78. 
Further Notes on the Orchids of the 
Region of Asquam Lake, 131; 
Notes on the Orchids of the As- 
quam Region, 235. 
Galeopsis Ladanum, var. latifolia, 
247. 
Galium erectum, 248; Mollugo, 248. 
Gaura biennis, 231. 
Gentiana acuta, 149-151; Amarella, 
149-151, var. acuta, 150, forma 
Michauxiana, 151; Andrewsii, 
147-149, 152, forma albiflora, 152; 
clausa, 148, 149, a valid Species, 
147; crinita, forma albina, 152; 
linearis, forma Blanchardii, 152; 
plebeja, 149, 151; procera, 164; 
propinqua, 150; quinquefolia, for- 
ma lutescens, 151; Saponaria, 
147-149. 
Gentians, Forms of American, 149. 
Genus Athyrium and the North 
American Ferns allied to Athy- 
rium Filix-femina, 170; Elatine in 
eastern North America, 10; Erech- 
tites in temperate North America, 
24. 
Geocalyx, 270. 
Geranium Bicknellii, 230; pusillum, 
230. 
Gerardia, paupercula, 30, 53. 
Gillena, 153. 
Gillenia, 153. 
Glandular Form of Hieracium pani- 
culatum L., 37. 
Glandularity on Veronica Anagallis- 
aquatica L., 60. 
