BOTANY. 867 



Notes are also given ou com smut, with description of the fungus, 

 methods of infection, and suggestions for its prevention ; and estimates 

 are made as to the amount of loss occasioned. In order to ascertain 

 the amount of smut, examinations were made in different parts of the 

 college fields. The total number of stalks counted was 18,730, snuitted 

 stalks 4,009, and smutted ears 7(37, showing lil per cent of smutted 

 stalks, and 0.4 per cent of smutted ears. 



Notes on the morphology of Melilotus ofiBcinalis, J. A. TvAUiAS (Traiif. and 

 Vroc. But. .SVyr. Edinburyh, JO (W.'/.:), //, pp. 41S-419). 



Contributions to the life history of Saliz, C. J. Chamhkkkaix {Hot. (;az.,23 

 (1S97), Xo. •>, pp. U7-17n,pls. 7). 



Bifaria, a new section in the genus Panicum, E. Hackel (Ocstvn: Hul. Ztsriir., 47 

 {1S97), Xo.J. pp.73-77). — Three new siiecies constituting a section of I'auicum aro 

 described as follows: I'anicum bifarium, P. candiculatum, and r.elytruclKclum. 



The history of fungi, M. Staub {Hot. C'enibl., 60 {1S07), Xo. 9, pp. ;?67-J7i).— The 

 author points out the atlinities of certain j^aleontological fungi witli existing species. 



Chromatin reduction and Tetrad formation in Pteridophytes, G. N. Calkins 

 ( Torrnj Ltd., U {1897), Xo. 3, pp. 101-113, ph. ?). 



New species of fungi, C. H. Peck {Torrvy Bid., 24 (1397), Xo. 3, pp. 137-147). — 

 Numerous species of lleshy fungi are described, among them a new genus, Crypto- 

 phallus. 



New species of fungi, J. B. Ellis and B. M. Everiiart {Amcr. Xat., 31 (1S97), Xo. 

 364, pp. 339-343). — The fellowiug new species of fungi are described: Polyporua suh- 

 hdeus, Porta subviolacea, Flavolus ^{riatidtis, Cortkium ferax, Penlopliora globidij'era, 

 Aaterella prosopidis, ChaioDuum sctosiim, Sordaria violacea, S. amphisphivrioidex, Podos- 

 pora minor, Bosellina biyeloviir, Physalosjyora betulina, Leptosplnrria phaneolorum, Pleos- 

 pora Jindens, P. oUgostadiya', Diaporthe radicina, Entypella popidi, and I'aharia 

 coloradensis. 



New species of fungi, J. B. Ellis and B. M. Everhart ( Torrvy BiiL, 24 (1897), Xo. 

 3, pp. 125-137). — Xew species of llymcuomycetes and Discomycetcs are described. 



On the period of vitality in dried yeasts, H. Will {Ztachr. yes. Brauic, 19 {1896), 

 Xo. 34, pp. 453-456; abs. in Bot. Ceidbl. Beihefte,6 (1896), Xo. 7, jjp. 485, 486).— Somo of 

 the ferments used in brewing and wine making are said to retain their vitality lor 1 

 or 5 years. 



On the influence of light on certain dorsiventral organs, KAXiiAiaNK V. Bur- 

 nett ( Torrey Bid., 24 {1897), Xo. 3, pp. 116-122, pJ. 1). 



Studies on the nucleus, G. Catterina {Bid. Soc fen. .SVi. Xat., 6 {1896), Xo. 2, 

 pp. 14). 



An attempt to classify common plant pigments with some observations 

 on the meaning of color in plants, Miss M. J. Newbkux {Trans, and I'roc. But. 

 Soc. Edinburyh, 20 {1896), II I, pp. 534-550). 



Concerning nitrogen assimilation by legumes and soil inoculation, N. vuN 

 Tiii-.MEX {Promclhens, 1896, Xu>i. 370, pp. 81-83; 371, pp. 99-102). 



Note on the discovery of symbiosis, W. T. Thiselton-Dyer {Ann. Bol., II 

 {1897), Xo. 41, pp. 175-177). — The discovery of symbiosis has been attributed to 

 Schleideu, who announced the discovery of mycorrhiza on the rlii/oiue of Xvottia 

 nidus (iris in 1X42, but it appears tliat an English botanist, H. Lees, announced its 

 discovery on Monotropa hypotilys in December, 1811. 



Composition of mold fungi, M arscii all (J »c/i. Hyy., 28 {1896), p. 16; aba. in 

 Bot. Centbl. BeihiJ'te, 6 {1896), Xo. 7, pp. 483, ^5i).— Chemical analyses were made 

 oi A apery ill 118 niger, Penicilliiim glancnm, and Mucor slolonifcr, and the average com- 

 position was found to bo albuminoids, 38 per cent; ether extract, 5.27; alcohol 

 extract, 14.03; asb, 6.37; cellulose, 5.03; starch, 2.8: and water-soluble uitrogeuoua 

 matter, 28.47. 



