182 



TORREYA 



Phycomyces, 117, 123, 124 



Physalis alkekengi, 87 



Physcia venusta, 82 



Phytopathology, 1867-1942, 155 



Phytophthora cinnaiuomi, 124; infestans, 

 156 



Pine, parasitism in the mycorrhizae of, 

 lecture, 81 ; Austrian, 83 ; shortleaf, 81 ; 

 white, 83 



Pinus echinata, 172; rigida, 172; Strobiis, 

 24 



Plant development, Cell division as a prob- 

 lem of pattern in, 29 



Pogonia ophioglossoides, 171 



Polygala cruciata, 175 ; hitea, 170, 173 ; 

 Nuttallii, 175 



Polygonum aispidatum, 173 



Potamogeton pectinatns, 170 



Psaronuts, 23 



Pscudotsnga, 24, 25 



Pteridium aquilinum, 45 ; latiusculum, 45 



Puccinia coroiiata, 158, 162; glumarmn, 165; 

 graminis, 68, 155, 157, 159, 160, 162; m- 

 bigo-vera tritici, 160 ; subnitens, 160 



Pyridoxine, 118 



Pythium butleri, 123 



Onerous Cerris, 83 ; falcata, 171 ; pheUos, 

 170 



Ranunculus, 47; sceleratus, 170 



Recx)rd, Samuel: How woods are identi- 

 fied, lecture, 84 



Reed, G. M., 3 ; Phytopathologjs 1867-1942, 

 155 



Rhododendron, calycanthevia forms of, 10 



RiCKETT, H. W. : The genus Cornus in 

 North America, lecture, 78 



Riddle, Oscar, 3 ; Animal hormones affect- 

 ing growth and the several effects of 

 single hormones, 96 



RoBBiNs, W. J., 3 ; Plants need vitamins 

 too, 116 



Rubiis, 12 



Rum ex, 14 



Ruppia maritima, 171 



Rusby, Henry H., 42, 43 



Russula elegans, 174 



Rynchospora macrostachya, 46 ; Torreyana, 

 172 



Sabatia, 175 



Salix, 11 



Sararanga, 56 



Scalesia, 48 



Schisaea pusilla, 172 



Scleria reticularis, 46 



Sclerotium rolfsii, 124 



Seleginella, 22, 24, 25 



Senecia, 136 



Sequoia, 24 



Shull, G. H., 3; Genetics, the Unifying 

 science in biology, 126 



Silene, 8, 9, 11 



SiNNOTT, E. W., 2; Cell division as a prob- 

 lem of pattern in plant development, 29 



Smilacina bifolia, 45 ; var. canadensis, 45 ; 

 var. kamtschatica, 45 



Sonchus arz'cnsis, 171 



Spinacia, 1 1 



Spiraea, 61 



Stereocaulon pileatum, 175 



Stout, A. B., 174 ; Dichogamy in relation to 

 reproduction, lecture, 84 



Streptocarpus, 13 



SvENSON, H. K., 3 ; Modern taxonomy and 

 its relation to geography, 44 ; Plants of a 

 Long Island pond, lecture, 84 



SvENSON, H. K. & Alexander, E. J.: The 

 field trip to the New Jersey coast and 

 pine barrens, 170 



Swift, F. R. : Treating yeast plants as in- 

 dividuals, lecture, 79 



Syringa vulgaris, 17, 19 



Taraktogenos, 59 ; Ktirsii, 58 



Taxonomic studies of the fungi, Importance 

 of, 65 



Taxonomy and its relation to geography, 

 44 



Taxonomy, development of. Contributions 

 of Torrey Botanical Club to, 35 



Taxonomy, some economic aspects of, 50 



Taxus baccata, 17 



Tetrakaidecahedra, Haphazard as a factor 

 in the production of, 4 



Thiamine, 117, 118, 123, 124 



TiUetia, 161; levis, 160; tritici, 160 



Tomato, 107, 109, 113 



Torrey Botanical Club, Contributions of, to 

 the development of taxonomy 35 ; Offi- 

 cers for, 1943, 78 



Torrey, John, 2, 35, Z6, 39, 44, 52-54 



