No. 433.] NOTES AND LITERATURE. 



77 



each entry marked with a classification symbol and secondary refer- 

 ence marks. This authors' list, occupying eighty-four double column 

 pages, is followed by a subject catalogue with alphabetical arrange- 

 ment of authors under each principal heading. In the systematic 

 part, each main group is provided with an index to the contained 

 new genera and species. The number closes with a list of the jour- 

 nals abstracted, with abbreviated titles. X 



Notes The principal articles of the Botanical Gazette for August 



are : Heald, " The Electrical Conductivity of Plant Juices " ; McCal- 

 lum, "Nature of the Stimulus causing the Change of Form and 

 Structure in Proserpinaca palustris " ■ Schneider, " Rhizobia mutabile 

 in Artificial Culture Media"; Nelson, "Notes on Certain Species 

 of Antennaria " ; Reed, " A Survey of the Huron River Valley " ; 

 Ramaley, " The Trichome Structures of Erodium cicutarium " ; and 

 Copeland, " Two Fern Monstrosities." 



The Bulletin of the Torrey Botanical Club for July contains the follow- 

 ing articles : Torrey, " Cytological Changes accompanying the Secretion 

 of Diastase " ; Banker, " Historical Review of the Proposed Genera of 

 the Hydnaceae"; Shear, "Mycological Notes and New Species"; 

 Durand, "Studies in North American Discomycetes: II, Some New or 

 Noteworthy Species from Central and Western New York" ; Lamson- 

 Scribner and Merrill, "New or Noteworthy North American Grasses "; 

 Eastwood, " New Species of Nemophila from the Pacific Coast " ; Brit- 

 ton, E. G., " Trichomanes radicans "; Berry, " Liriodendron cclaho7shi." 



The Plant World for July contains the following principal articles : 

 Parish, "Through Desert and Mountain in Southern California"; 

 Idelette Carpenter, "The Protection of Native Plants"; Pollard, 

 "Plants used for Cuban Confectionery"; Hay, "A New Station for 

 the Gray Polypody " ; and eight pages of Mr. Pollard's " Families 

 of Flowering Plants, — from Hydrophyllaceae to Solanaceoe." 



The first part of Vol. LIV of the Proceedings of the Academy of 

 Natural Sciences of Philadelphia contains the following botanical 

 articles: Meehan, "Contributions to the Life-History of Plants, 

 No. XVI," and Harshberger, "The Germination of the Seeds of 

 Carapa guianensis." An article by Montgomery, " On Phylogenetic 

 Classification," though written principally from the zoological point 

 of view, deals with questions of the greatest interest to botanists. 



Several small papers of taxonomic interest were issued under date 

 of August 6, as signatures of the Proceedings of the Biological Society 

 of Washington. 



