1922| 
Index 243 
INDEX TO VOLUME 24. 
New scientific names are printed in full face type. 
Abies balsamea, 98, 112. 
Acer barbatum, 79; barbatum sin- 
uosum, 79; floridanum, 79; 
Negundo, 177; pennsylvanicum, 
117; rubrum, var. tridens, 177; 
sinuosum, 79. 
Achillea, 35. 
Aconitum Napellus, 116. 
Actaea rubra, forma neglecta, 116. 
Additions to the Flora of Connect- 
icut, Series 2, 111. 
Adiantum pedatum, var. aleuticum, 
227. 
Adventina, 34; ciliata, 35; Identity 
of the Genus, 34; parviflora, 
34, 35. 
Aegopodium, 92; 
182. 
Aethusa, 92; Cynapium, 92, 179. 
Agalinis maritima, 203; neoscotica, 
203; purpurea, 88; tenuifolia, 119. 
Agastache scrophulariaefolia, 184, 
var. mollis, 118. 
Agrimonia parviflora, 116. 
Agropyron caninum, 113, forma 
glaucum, 162, forma pubescens, 
113, var. tenerum, 113, var. tene- 
rum, forma ciliatum, 162. 
Agrostis alba, var. aristata, 113. 
Ajuga Chamaepitys, 151. 
Algae from British Columbia, Notes 
on some, 101. 
Alisma plantago-aquatica, var. par- 
viflora, 160. 
Allium, 19. 
Alnus incana, var. 
173; rugosa, 87. 
Alopecurus aristulatus, 113; genic- 
ulatus, var. aristulatus, 113. 
Ambrosia trifida, 205. 
Amelanchier laevis, var. nitida, 
175; stolonifera, 116, 174, var. 
lucida, 175. 
American Variations of Linnaea 
borealis, 210. 
Ames, O., Notes on new England 
Orchids, —Il., 87. 
Ammophila arenaria, 86; brevilig- 
ulata, 86. 
Amoeba, 51. 
Amsonia, 235; Tabernaemontana, 
235. 
Podagraria, 92, 
hypochlora, 
Anabaena, 104; flos-aquae, 104; 
inaequalis, 104. 
Anagallis, 232; arvensis, 232. 
Anaphalis margaritacea, 205, forma 
anochlora, 205, var. occiden- 
talis, 181, 205. 
Andrea crassinervia, 
phila,. 122. 
Andromeda, 152; glaucophylla, 152. 
Andropogon scoparius, 85, var. 
littoralis, 86, var. polyclados, 86, 
var. villosissimus, 86. 
Anemone nemorosa, 186; quinque- 
folia, 186. 
Anemonella, 185. 
Angelica, 92; atropurpurea, 92. 
Ankistrodesmus falcatus, 107; falca- 
tus tumidus, 108. 
Another Plant from Nantucket, 
241. 
Antennaria  Parlinü, 205; 
loidea, 120. 
Anthriscus, 92; sylvestris, 92. 
Aphanothece microspora, 104; saxi- 
cola, 105. 
Apios tuberosa, 176. 
Apocynaceae, 235. 
Apocynum, 235; androsaemifolium, 
235; cannabinum, 180, 235; med- 
ium, 235. 
Arabis hirsuta, 116. 
Aralia spinosa, 118. 
Arctostaphylos, 152; Uva-ursi, var. 
coactilis, 118, 152. 
Arenaria macrophylla, 184. 
Arisaema triphyllum, var. pusillum, 
114, var. Stewardsonii, 114. 
Aristida tuberculosa, 86. 
Artemisia pontica, 208. 
Arthrodesmus, 224;  convergens, 
224; incus, var. Ralfsii, 224; 
octocornis, 224; triangularis, 224. 
Arundo, 55, 56; ’ agrostoides, 143; 
canadensis, 143; Langsdorfi, 143; 
phragmites, 56; vulgaris, 56. 
Asclepias, 236; amplexicaulis, 236; 
incarnata, var. pulchra, 180, 236: 
phytolaccoides, 236; purpuras- 
cens, 236; quadrifolia, 185, 236; 
syriaca, 236, forma inermis, 2306; 
tuberosa, 236; verticillata, 236. 
Asclepiadaceae, 236. 
122; petro- 
peta- 
