INDEX TO VOLUME VI. 



New names and the names of new genera and species are printed in boldface type. 



Abdra, 167 

 Abies, 252 

 Abnormalities in the fruiting Habits of 



Opuntias, 57 

 Abrams, L. K., personal, 99 

 Acanthocereus, 14 

 Acanthus, 190 

 Account of a Collecting Trip to the Sierra 



Maestra of Cuba, 258 

 Acer, 166 ; rubrum, 203 

 Acerates floridana, 244 

 Achillea Millefolium, 190 

 Acrocomia, 128; aculeata, 12S; fusi- 



formis, 128 ; media, 127 

 Acrostichum, 83 

 Addition to the Flora of Block Island, 



An, 190 

 Additions to the Flora of Florida, 97 

 Adelia acuminata, 8 

 Aecidium, 249 ; houstoniatum, 249 

 Aerial Tubers in Solanum, i8r, 211, 255 

 Aerides, 73 

 Aesculus Pavia, 193 

 Agaricus confragosus, 36 

 Agave, 259 ; virgiuica, 8 

 Alabama, Some more Coastal Plain Plants 



in the Palaeozoic Region of, ill 

 Alchornea latifolia, 84 

 Aletris, 231, 232 ; aurea, 231 ; farinosa, 



231, 232; obovata, 232 

 Aletris, A Mississippi, 231 

 Algae from Culebra, Porto Rico, Two 



new coralline, 256 

 Allen, T. F., 136 

 Allium Cuthbertii, 244 

 Alnus oblongifolia, 51 

 Altamaha Grit, Some hitherto undescribed 



Outcrops of, 241 

 Ammophila arenaria, 214 

 Ammoselinum, 166 



Andrews, E. A., Polarity in the Weep- 

 ing Willow, I 

 Andromeda Mariana, 130 

 Andropogon corymbosus, 43 ; Grayia, 



10 ; Pseudograya, 10 

 Angraecum, 71, 73 

 Anomalous Blackberries, Two new and 



somewhat, 1 17 

 Ansellia, 73 



Antholysis and Phyllody in Digitalis 



purpurea, 33 

 Anthurium, 70 

 Antrodia mollis, 34 

 Apteria, 84 



Aquilegia chrysantha, 51 

 Arabis, 167 ; Holboellii, 51 

 Arctostaphylos pungens, 51 

 Arenaria brevifolia, 113, 115, 244 

 Arethusa bulbosa, 130 

 Ariocarpus, 14 

 Arisaema, Fasciation in, 193 

 Arisaemapusillum, 130 ; triphyllum, 193, 



194 

 Arnica acaulis, 43 

 Arthur, J. C, personal, 16, 19 

 Arundinaria tecta, 8 

 Ascochyta Pisi, 67, 68 

 Aspidium Fadyenii, 83 

 Aster, 77, 91, 93, 94; adnatus, 199; 



corymbosus, 91 ; macrophyllus, 77, 9I ; 



nemoralis, 258; squarrosus, 41, 244; 



vimineus, 190 

 Asters, Biotian, 76 

 Asters, Burgess's Species and Variations 



of Biotian [review], 90 

 Astragalus, 239 

 Aubertia, 87 

 Austin, C. F., 134 



Baccharis halimifolia, 203, 214 



Bailey, W. W., A newly introduced 

 Plant in Rhode Island, 189 ; personal, 

 78 



Baker, C. F., personal, 178 



Banker, H. J., personal, 131 



Barnhart, J. H., Keller and Brown's 

 Flora of Philadelphia, 37 ; Chloronyms, 

 85 ; The Dating of Botanical Publica- 

 tions, 97 



Barrett, M. F., personal, 99 



Bartonia teneila, 213 



Begonia, 45 ; Williamsii, 46, 47 



Begonia from Bolivia, A new, 45 



Benedict, R. C, personal, X79 



Berry, E. W., Pleistocene Plants from 

 Virginia, 88 ; Leaf-Rafts and Fossil 

 Leaves, 246 ; personal, 131 



Bessey, E. A., personal, 17 



261 



