INDEX TO VOLUME IX 



New names and the names of new genera and species are printed 

 boldface type. 



Aberrant Societies of Sanguinaria 

 and Trillium, s 



Abies balsamea, 206 



Acalypha, 118; gracilens, 117; myri- 

 cina, 117 



Acer rubrum, 221-224 



Acerates Floridana, 165 



Additions to the Flora of the Black 

 Hills of South Dakota, 186 



Additions to the Pleistocene Flora of 

 North Carolina, 71 



Adiantum, 184 



Aecidium, 54, 55 ; houstoniatum, 54 



Agaricus, 147 



Agricultural College, British India, 

 194; New Jersey State, 17; Okla- 

 homa, 130 



Agriculture, Publications of the 

 United States Department of, 192, 

 236 



Agricultural Station, Cuban, 108 



Alabama, Species of Gymnosporan- 

 gium in Southern, 114 



Alchemilla alpina, 48 



Aleyrodes citri, 105 



Alfalfa, 39 



Allionia, 167; incarnata, 167; vio- 

 lacea, 167 



Alnus, 222 ; maritima, 160, 162 ; ru- 

 gosa, 222-224 



Alsine longipes laeta, 187 



Amber in the Laramie Cretaceous, 

 140 



Ambrosia artemisiaefolia, 224 



Amelanchier Botryapium, 170; cana- 

 densis, 114 



American Agriculture, Bailey's Cyclo- 

 pedia of, 213 



American Agricultural Colleges, As- 

 sociation of, 86 



American Association for the Ad- 

 vancement of Science, 16, 17, 18, 

 149, 240, 269 



American Botanist, 150 



American Botanists of Former Days, 

 Some, 241 



American Chemical Society, 151 



American Museum of Natural History 

 (See under Museum) 



American Rose Rusts, North, 21 

 Ames, O., personal, 131 

 Amphicarpon Amphicarpon, 161 

 Andromeda polyfolia, 53 

 Andropogon argyraeus, 161 ; virgini- 



cus, 55 

 Anemia haydenii, 142; perplexa, 142; 



subcretacea, 142; supercretacea, 



142 

 Anemiopsis, 119 

 Anona, 173 

 Apocynum Milleri, 165; pubescens, 



i6s 

 Aquilegia canadensis, 212 

 Aralia, 223 ; spinosa, 222-224 (See 



Errata) 

 Arctic Mosses, 263 

 Arisaema pusillum, 162, 260; Ste- 



wardsonii, 259, 260 ; triphyllum, 212 

 Armillaria mellea, 147 

 Arnica pumila, 188 

 Aronia, 114; arbutifolia, 115, 170 

 Arthur, J. C, North American Rose 



Rusts, 21 

 Article on Ibervillea Sonorae, 105 

 Arundinaria, 224 ; tecta, 224, 225 

 Asclepias decumbens, 165 ; rubra, 



165 : tuberosa, 222 ; variegata, 165 ; 



verticillata, 165 

 Ashe, W. W., 128 

 Aspidium, 133; cristatum, 133-136,^ 



139; cristatum v. Clintonianum 133, 



134, 136, 139 ; cristatum v. major, 



134, 136; Goldianum, 133, 136; 



marginale, 212 

 Atkinson, G. F., 19 

 Austin, C. F., 108 

 Azalea canescens, 170 



Baccharis, 58 



Bacteria, Nitrifying, 128, 267 



Bailey, L. H., personal, 215 



Balcomb, E. E., personal, 130 



Baltimore meeting of the American 

 Association for the Advancement 

 of Science, 16, 17, 18, 149 



Barberry, 4 



Barnhart, J. H., Some American 

 Botanists of Former Days, 241 



271 



