276 
Arctium nemorosum, 252; tomento- 
sum, 252. 
Arctostaphylos Uva-ursi, 220, 246. 
Arenaria, 260; lateriflora, 32, and 
its Varieties in North America, 
259, var. angustifolia, 260, 262, 
var. glabrescens, 260-262, var. 
Taylorae, 260, 262, var. tenui- 
caulis, 262, var. typica, 260-262. 
Arethusa bulbosa, 31, 50, 57, 131, 236. 
Arisaema Stewardsonii, 126; tri- 
phyllum, 125, var. pusillum, 125. 
Armeria, 1, 2; andina, 5, 6 cali- 
fornica, 2, 9; arctica, 2, 9; labra- 
dorica, 2, 4, 6, 7; sanguinolenta, 
2, 9; vulgaris, 2, 6, forma arctica, 
2, 9, E humilis, forma arctica, 9. 
Artemisia gnaphalodes, 252; Stel- 
leriana, 252. 
Ascophyllum, 83, 84; nodosum, 83, 
84 
Aspidium, 181; alpestre, 203; an- 
gustum, 186-188, 190, 197; as- 
plenioides, 185-188; Filix-femina, 
185, 186, 199, var. aspidioides, 199; 
Filix-foemina, 187; Goldianum, 
106; thelypteris, 164. 
Asplenium, 171-175, 181, 187; acros- 
tichoides, 178; angustifolium, 106, 
178; Athyrium, 185, 188, 189; 
auritum, 174; bipartitum, 174, 
178; bulbiferum, 173; ebenoides, 
106; elatius, 188, 190, 191; Filix 
femina, var. Michauxii, 190; Filix- 
foemina, 186, 187, var. angustum, 
187, var. commune, 187, var. 
eyclosorum, 187, var. exile, 187, 
var. latifolium, 187; fragrans, 173, 
174; mexicanum, 174; Michauxii, 
188, 190; platyneuron, 175; thely- 
pterioides, 178; Trichomanes, 173; 
viride, 173. 
Asquam Lake, Further Notes on the 
Orchids of the Region of, 131; 
Lake, Orchids found in the Region 
of, 56; Region, Further Notes on 
the Orchids of the, 235. 
Aster, 88; amethystinus, 250; carme- 
sinus, 250; cordifolius, 88-90, 155, 
var. Furbishiae, 89, var. racemi- 
florus, 155; divaricatus, 250; 
dumosus, 250; foliaceus, 88; Her- 
veyi, 250; infirmus, 250; junceus, 
32; laevis, var. amplifolius, 250; 
longifolius, 250; Lowrieanus, 250; 
macrophyllus, 88; novae-angliae, 
164; novi-belgii, 88; persaliens, 
250; ptarmicoides, 250; var. lutes- 
Rhodora 
[ DECEMBER 
cens, 64; puniceus, 88-90; radula, 
88, 250; spectabilis, 250; subu- 
latus, 258, var. obtusifolius, 258; 
tardiflorus, 88-90, a Hybrid, Is ? 88, 
var. vestitus, 89; Tradescanti, 250. 
Astragalus canadensis, 229. 
Athyrium, 171-178, 181, 188, 206; 
acrostichoides, 178, 206; alpestre, , 
177, 179, 181, 184, 188, 202, 203 
206, var. americanum, 204; and 
the North American Ferns allied 
to Athyrium Filix-femina, The 
Genus, 170; angustifolium, 178; 
206; angustum, 172, 178, 181-184, 
188, 190, 191, 195, 196, 201, 205, 
216, angustum, forma confertum, 
195, var. elatius, 191-193, 197, 
216, forma elegans, 196, forma 
laciniatum, 195, var. lauren- 
tianum, 194, 205, var. rubellum, 
192, 193, 195, 197, 216, var. tri- 
pinnatum, 197, forma typicum, 
191, 193, 196, 216; asplenioides, 
175, 178, 181-184, 187-189, 202, 
205, 207, 216, var. angustum, 190, 
forma subtripinnatum, 189, 190, 
216, forma typicum, 189; cyclo- 
sorum, 178, 197—199, forma Hillii, 
199, cyclosorum strictum, 200; 
Dombei, 206; Filix-femina, 170, 
171, 173, 175, 178, 179, 181-184, 
187, 188, 197-203, 205, 206, 215, 
216, The Genus Athyrium and the 
North American Ferns allied to, 
170, var. californicum 201, 202, 
var. convexum, 198, 200, var. 
fissidens, 216, var. latifolium, 195, 
var. Michauxii, 190, var. multi- 
dentatum, 198, 199, 216, var. 
rhaeticum, 198, 205, var. sitchense, 
198-200, 205, 206, var. sitchense, 
forma Hillii, 199, 200, var. sit- 
chense, forma strictum, 200; Filix- 
foemina, 179; Filix-foemina elegans, 
196; Filix-foemina rubellum, 193, 
194; fontanum, 171; Martensi, 206; 
Michauxii, 188; mongolicum, 177; 
pectinatum, 207; Schimperi, 207; 
sitchense, 198, 199. 
Atriplex patula, 129, var. littoralis, 
129 
Avena fatua, 119; pubescens, 119. 
Barley, Wall, 121. 
Bartonia virginica, 31. 
Benzoin aestivale, 220. 
Bergman, H. F., Abnormal Flower 
Structure in Oxalis stricta L., 41. 
