Eumycetes. 571 



Lek, H. A. A. van der, Notes on the typesof Polyporus in 

 Persoon's Herbarium. (Meded. 's Rijks Herb. Leiden. 18. 

 p. 1 — 12. 1 PI. 1913.) 



The object of the paper is to bring together the notes that have 

 been added to the different specimens of Polyporus, Polystictus and 

 Fonies by different m3^cologists who studied this material. Notes by 

 the author himself and by Bresadola are added in many cases. 

 On the plate some figures of Fomes couchatiiSj from specimens found 

 in the Netherlands, illustrate the different forms of this species. 



Jongmans. 



Lloyd, C. G., The polyporoid types at Leiden. (Meded. 



's Rijks Herb. Leiden. 9. p. 1-5. 1912.) 

 Lloyd, C. G., The polyporoid types of Junghuhn preserved 



at Leiden. (Meded. 'sRijks Herb. Leiden. 10. p. 1—5. 1912.) 



These papers are reprints of Lloyd's Mycological Letters N^'Sö, 

 37 and contain enumerations with critical remarks on these two 

 coUections preserved in the Leiden Herbarium. Jongmans. 



Ludwig, C. A., Notes on some North Americans rusts 

 with Caeovtn-M'ke sori. (Phvtopathology. V. p. 273 — 281. Oct. 

 1915.) 



Includes morphological kej'S to generic groups, and to the spe- 

 cies of Coleosporitim and of Melanipsorn and Caeonia. The foUowing 

 new names are published: Melampsova Ahietizcanadensis [Caeonta 

 Ahietis-canadensis Farlow), and Caeoma dubiuni. Trelease. 



O'Gara, P. J., A fungus of uncertain S3^stematic position 

 occurring on wheat and rye. (Science. XLIII. p. 111 — 112. 

 Jan 21, 1916.) 



In some respects this fungus bears a striking resemblance to 

 Endoniyces Mali Lewis. Trelease. 



Rehm. Ascomycetes exs. Fase. 5 2. (Ann. Mycol. XL p. 166 — 171. 

 1913.) 



Durandia Fraxini (Schwein.) Rehm sub n. g.{2L\xi Fiaxiniis ame- 

 ricana, Canada; bezüglich der Apothezien ganz wie Tyinpanis, 

 aber die keuligen Schläuche enthalten 8 parallel gelagerte, nadei- 

 förmige, septierte zugespitzte farblose Sporen; niemals spermatoide 

 Sporen. — Pesisiella roseoflavida Rehm n. sp. (in ligno putride Ti- 

 liae putridae, Franconia; sich an P. tyrolensis Rehm anreihend, die 

 aber nicht bei Hyalina unterzubringen ist. — Pesisella oyitariensis 

 Rehm n. sp. (auf Piniis resinosa, Canada; eine gute Art). — Boiryo- 

 sphaeria Hamamelidis Rehm n. sp. (auf Hamamelis Virgiinana, 

 Canada; charakteristisch sind die in Graphis -Form hervorbrechen- 

 den Stromata). — Otthia Ssmphoricarpi Ell. et Ev. wird zu Pseudot- 

 thia gestellt; kein wahres Stroma; Perithecien auf einer schwarze 

 Schichte völlig freisitzend. Kulm, N. Dakota. — Cucurhitaria Pruni- 

 spinosae Rehm n. sp. (Mähren, doch viel kleinere Perithecien als 

 C. conglobata Ces. et D. N). — Phyllachora Pahudioe Syd n. sp. (ad 

 folia Pahiidiae rhomboideae, Philipp. -Insul.). — Pitya vulgaris 

 Fckl. schädigt die Tannen nicht. — Cenanginni acutum C. et Peck 



