134 Botanisches Centralblatt. 



Seaver, F. J. and E. D. Clark. 1910. Studies in pyrophilous 

 Fungi. II. (Mycologia. IL p. 109—123.) 



Shear, C. L. 1909. The present treatment of monotypic Fungi. 

 Bull. Torrey bot. Club. XXXVI. p. 147—151.) [A few arguments 

 are here given why some plan of permanently fixing generic na- 

 mes to some particular species should be adopted. It is thought 

 that some degree of stability or uniformity can be obtained in 

 the use of names by this or some similar means. - R. J. Pool.] 



Sheldon, J. L. 1909. Notes on Uromyces. (Torre}^. IX. p. 54 — 56.) 

 [A report of further work on a Uromyces found on Sisyrinchium 

 graminoides, and a hint as to the possible relationship between 

 Uromyces andropogonis and Puccinia violae. — R. J. Pool.] 



Stone, R. E. 1909. A new species of Puccinia. (Bull. Torrey bot. 

 Club. XXXVI. p. 549—552.) [A description of Puccinia angustatoi- 

 des sp. nov. found in the uredinial and telial stages on Rhynco- 

 spora corniculata from Alabama. The species is illustrated by four 

 figures in the text. — R. J. Pool.] 



Stone, R. E. 1909. Species of Gymnosporangium in southern Ala- 

 bama. (Torrey. IX. p. 114—117.) [Some species of this rust genus 

 are here reported from a region from which they had not yet 

 been obtained and a list of the species now known for the State 

 of Alabama is included. — R. J. Pool.] 



Sumstine, R. D. 1909. Some Moulds from Pennsylvania. (Torreya. 



IX. p. 143 — 145.) [An enumeration of fourteen species of black 

 moulds from the State of Pennsylvania. — R. J. Pool.] 



Sumstine, D. R. 1911. Studies in North American Hyphomycetes. 

 I. (Mycologia. III. p. 45—56.) 



XII. Myxomycetes. 



Forti, A. 1911. Diagnoses Myxophycearum novarum. (Atti Acc. 

 Agric. Verona. 4. XII. 5 pp. 1 t.) 



Macbride, T. H. 1911. A new species of Myxomycetes? (Mycologia. 

 III. p. 39—41.) [The author proposes the following new genus and 

 species for a slime mould found on a decaying pine log in the 

 Yosemite valley: Schenella simplex. A plate with seven figures 

 illustrates the habit and the structure of the organism. — R. J. 

 Pool.] 



XIII. Pflanzenkrankheiten. 

 Cf. XIV. Dale; XX. Bulletin. 



Averna-Saccä, R. 1911. Contributo allo studio del „roncet". (Atti 



Ist. Incoragg. Napoli. 6. LXII. p. 113—144.) 

 Averna-Saccä, R. 1911. L'aciditä dei succhi nelle Viti americane 



in rapporto alla resistenza di esse alla fillossera, secondo Comes. 



(Atti Ist. Incoragg. Napoli. 6. LXII. p. 151 — 196.) 

 Bateson, E. 1911. Loranthus as a parasite on Hevea brasiliensis. 



(Agr. Bull. Straits and F. M. S. X. p. 360 361.) 

 Bessey, E. A. 1911. Root-knot (caused by Heterodera radicola) and 



its Control. (Bull. Dep. Agr. Washington. 1911. 89 pp. 3 pl. 3 fig ) 

 Briosi, G. 1911. Rassegna crittogamica per l'anno 1910, con notizie 



sulle malattie dei lupini, della lupinella, della sulla e dei pioppi, 



causate da parassiti vegetali. (Boll. Min. Agr. Ind. e Comra. 



X. 12 pp.) 



Buscalioni, L. e G. Muscatello. 1911. Contribuzione allo studio 



delle lesioni fogliari. [fine]. (Malpighia. XXIV. p. 97—152.) 

 Davis, A. R. 1912. The Hendersonia disease of Eucalyptus glo- 



