DISEASES OF PLANTS. 147 



In 1890 neither puccinia nor nredo phase was to be found about Stock- 

 liobii, while in 18!)1 and succeeding years both were very abundant. 



Ustilago tritici folicola, P. Hennings [Ztschr. PflanzenlcranTi., 4 

 [H^Oi), Xo. rj, p. 139). — The author describes a new form of UsHhu/o 

 tritici collected by Prcjf. Schweinfurth on Triticum vnlyare. The heads 

 are distorted in a characteristic manner by the fungus, and the leaves 

 and their sheaths are conspicuously marked. On both surfaces of the 

 leaves the sjwre masses are seen in long parallel rows, causing the 

 leaves to split something after the manner of Ustilmjo longissima. Tlie 

 spores are globular or oblong, olten irregularly angular, yellow to 

 olive brown, 4.5 to 7 // long, 4.5 to G /< in diameter, witli a very smooth 

 or slightly punctate epispore. The specimens were collected March 

 20, 1892, at Assioot, Upper Egypt. 



Botrytis cinerea, Cladosporium herbaruni, and Sphaerotheca pannosa in 

 Holland during 1892-'93. J. RrrzKMA-Bos (Ztuchr. Pjlanzeitkrank., 4 {1S94), No. 3, 

 pp. 144-147). 



A disease of the vine caused by Botrytis cinerea, L. Ravaz {Compi. Itend., 118 

 {1S94), Xo. l'3, pp. 12S9. 1290). — Mauifested by irregular spots ou the leaves, and for 

 some time not determined. 



Development of fungi, L. H. Pammel {Gard. and Forest, 7 {1S94), pp. 248,249). 



Result of recent investigations on the development of rust fungi, E. Fischer 

 {Uot. Cnithl., 59 {1894), Xo. 1 and J, pp. 1-4). 



Culture experiments with Puccinia coronata, P. coronifera, P. trailii, P. 

 digraphidis, P. moliniae, and P. festucae, H. Kleuahm {Ztschr. Pjlanzcnkranlc, 4 

 {1894), Xo. 3, pp. 129-139). 



Entyloma lephroideum, a parasitic species of Ustilagineae of the sugar beet, 

 L. Traiu't {Compt. Rend., 118 {1894), Xo. 23, pp. 1288, 1289). 



Smuts of wheat, oats> and barley, L. Foster {Montana Sta. Bnl. :?, pp 19-32). — 

 Iiitbrmatiou is given regarding the smuts of grain, most of which is compiled from 

 Kansas Bulletin 15 (E. S. R., 2, p. 638) and Indiana Bulletin 35 (E. S. R., 2, p. 637). 



Hormodendron hordei, a disease of barley, K. Bruiink {Beitrage Physiol, u. 

 Morph. niederen Organismen, 1894, Xo. 4; abs. in Hot. Centbl., 58 {1894), Xo. 13, pp. 

 427-431. 



Olipitrichum, a new^ genus of mucedinous fungi, G. F. Atkinson {Bot. Gaz., 19 

 {1894), pp. 244,245). 



Bacterial gummosis of grapes, Prillieux and Delacroix {Compt. Rend., 118 

 {1894), Xo. 25, pp. 1430-1433). 



Two parasites, Alternaria brassicee nigrescens and Tetranychus telarius, of 

 the melon {Rir. pat. veg., 2 {1893), pp. 227-240; abs. in Bot. Centbl., 59 {1894), Xo. 1 

 and 2, pp. 47,48). 



Clubroot of turnips {Jour. Roy. Agr. Soc, ser. 3, 5 {1894), Xo. 2, pp. 318-321).— Due 

 to lack of lime in soil. 



Some investigations concerning oat and clover nematodes, J. L. Jensen {Ab8. 

 in Ztschr. Pflanzenkrank., 4 {1894), Xo. 3, pp. 182-184). 



On the destruction of cuttings and grafts, V. Ma yet {Rev. Tit., 1 {1894), Xo.25, 

 pp. 601-604). — Notes on the insects and fungi attacking young shoots. 



The treatment of chlorosis, G. Gouirand {Rev. Fit., 1 {1894), No. 25, pp. 605-608). 



Investigations on the increase of yield by the application of large quantities 

 of bisulphide of carbon to the soil in combating nematodes, A. Girard {Compt. 

 Rend., 118 {1894), p. 1078; abs. in Chem. Zfg., 18 {1S94\ Xo. 50, Repert., p. 158). 



3714— No. 2 5 



