109 



INDEX TO VOLUME TWENTY-THREE 



(The names of species and varieties described as new and of new combinations 

 are in bold faced type.) 



Abbott, What Comes from What, 



Review, 72 

 Abies pectinata, 46 

 Abrams, an Illustrated Flora of the 



Pacific States, Review, 69 

 Acer Negundo, 96; platanoides, 96; 



rubrum, 96; saccharinum, 96; sac- 



charum, 96 

 Achillea Ptarmica, 30 

 Additional Notes on Sonchus uli- 



ginosus, 79 

 Additions to the Flora of Western 



Oregon in 1922, James C. Nelson, 



Agrimonia striata, 28 



Agrostis alba, 64; stolonifera, 64; 



verticillata, 64 

 Aleuria aurantia, 4 

 Allium sativum, 46 

 Allocarya ramosa, 65 

 Alnus glutinosa, 46; incana, 96 

 Alopecurus aristulatus, 27 

 Amanita phalloides, 107 

 Amelanchier canadensis, 96 

 Amniophila arenaria, 2 

 Amphibolips acuminata, 3 

 Anthostomella endoxyloides, 5 

 Antirrhinum Orontium, 65 

 Arctostaphylos unedo, 41, 108 

 Aristida oligantha, 63 

 Armoracia Armoracia, 23 

 Artemesia ludoviciana, 67 ; Tiiesii, 67 ; 



vulgaris, 3 

 Arthrodesmus covergens, 62 

 Ascochyta Alismatis, 7 

 Aspris capillaris, 63 

 Assimilation of Free Nitrogen by 



Plants, Direct, Eva Mameli de 



Calvino, 99 

 Aster Schreberi, 30 

 Athyrium thelypteroides, 27 

 Atriplex Gmelini, 64 

 Austrian Field Cress Again, John K. 



Small, 23 



Ballast Vegetation at Linnton, Ore- 

 gon, Notes on, J. C. Nelson, i 



Barnhart, John Hendiey, 17; Illus- 

 trated Flora of the Pacific States, 

 Review, 69 



Beals, A. T., 12, 37 



Benedict, Ralph C, 92, 93; Some 

 Botanic Garden Material for High 



School Work, 86; Variations in 

 Nephrolepsis, 72 



Bermuda, An Unrecorded Weed in, 

 N. L. Britton, 67 



Betula alba, 44, 96; lutea, 96 



Bidens frondosa, 67 



Black Stem Rust of Wheat and the 

 Common Barberry, 89 



Blatter, E. and Almeida, The Flora 

 of Bombay, Review, 1 1 



Blizzard, A. W., Onion Smut, 75 



Book Reviews, 11, 33, 52, 69, 107 



Bose, 20 



Botanic Garden Material Useful in 

 High School Work, 86 



Bourne, Augustus O., 92 



Boynton, Kenneth R., Some Suc- 

 culent Groundsels, 38 



Brachythecium acuminatum, 27 ; plu- 

 mosum, 27 



Brassica incana, 2 



British Guiana Plants, Notes on, 56 



Britton, E. G., 93; Ferns of Bombay, 

 Review, 1 1 



Britton, N. L., 14, 21, 37; An Un- 

 recorded Weed in Bermuda, 67 



Bromus brizaeformis, 2 



Buddleia Davidii, 30 



Bulgaria inquinans, 4; rufa, 4 



Burnham, Stewart H. and Latham, 

 Roy A., Flora of the Town of 

 Southold, 3, 25 



Cacti of the Atlantic Coastal Plain, 14 

 Calamintha Clinopodium, 30 

 Callixylon, A Mid-Devonian, Re- 

 view, 32; Marshii, 32; O.veni, 32; 



Trifilievi, 32 

 Calvino, Eva Mameli de. The Direct 



Assimilation of Free Nitrogen by 



Plants, 99 

 Calypogeia sphagnicola, 26 

 Cantharellus carbonarius, 26 

 Carduus nutans, 3 

 Carex pennsylvanica, lucorum, 28; 



teneraeformis, 64; varia, colorata, 



28 _ 

 Carpinus caroliniana, 96 

 Carya ovata, 96 

 Caryophyllaceae and the Frankeni- 



aceae. The Systematic Position of. 



90. 

 Cassia Chamaecrista, 29 



