682 SUMMARY OF CURRENT RESEARCHES RELATING TO 



are usually enclosed in vacuoles. The ascospores appear to be formed 

 by a process of budding. 



The mode of formation of the spores in Taphrina is therefore very 

 different from that which prevails in the Phycomycetes, presenting a 

 greater resemblance to that in typical Ascomycetes. The author infers 

 that the typical Ascomycetes are derived genetically from the Exoascaceae, 

 but not the Exoascaceae from the Phycomycetes. 



Parasitic Fungi. — E. Boudier * describes a new species of Exo- 

 basidium which he names E. Brevieri, parasitic on Athyrium filix-femina. 



Prof. A. Zimmermann f describes the following fungi parasitic on 

 cultivated plants in the Tropics: — Trametes These sp. n. on Thea viridis, 

 Beniophora Goffese sp. n. on Coffea arabica, Hypochnus Gardenise sp. n. 

 on Gardenia fiorida, Corticium javanicum sp. n. on Coffea arabica and 

 liberica and other plants, Nectria coffeicola sp. n. on Coffea arabica and 

 Theobroma Cacao, N. striatospora sp. n. on Theobroma Cacao, Calonectria 

 Melise sp. n. on Melia arguta, C. Goffese sp. n. on Coffea arabica, G. cremea 

 sp. n. on TJieobroma Cacao, Molleriella Sirih sp. n. on Piper betle, Proto- 

 myecs These 6p. n. on roots of Thea, Phytophthora sp. on Myristica 

 fragrans, Chsetodiplodia Coffese sj). n. on Coffea liberica, Colletotrichum 

 incarnatum sp. n. on Coffea liberica, Periconia Coffese sp. n., and Stilbum 

 Coffese sp. n. on Coffea arabica, Sporocybe minuta sp. n. on rotten wood of 

 Coffea, arabica, Graphium Coffese sp. n. on dead twigs of Coffea arabica, 

 Necator decretus on Coffea arabica and liberica. 



The cause of the rust of Chrysanthemum indicum is described by 

 E. Eoze | as a new species of Puccinia, under the name P. Chrysanthemi 

 sp. n. 



A disease which attacks the vineyards in the Caucasus, and which 

 has hitherto been confounded with other parasites of the vine, is now 

 distinguished by L. Montemartini and R. Farneti § as a new species, and 

 is named Physalospora Woroninii sp. n. 



E. M. Wilcox j| has investigated a rhizomorphic root-rot of fruit-trees 

 which does great damage to the peach, cherry, and apple-trees in the 

 south-western United States. The fungus also infests oak-trees, and is 

 described as a new species, Clitocybe parasitica sp. n. 



A disease of the mulberry, which especially attacks young seedlings, 

 causing arrest of growth and subsequent decay, is described by G. Briosi 

 and R. Farneti % under the name Phoma pyriformis sp. n. 



Dr. U. Brizi ** has found a new fungus parasitic on the fruit of 

 Diospyros Kaki, which he names Botrytis Diospyri sp. n. 



Prof. J. C. Arthur and E. W. D. Hoi way ft give a detailed account 

 of the rusts which infest the various species of Viola in the United 

 States. They refer them to three species, JEcidium pedatum (Gseoma 

 pedatum Schw.), Puccinia Violse (very common), and P. effusa. 



* Bull. Soc. Mycol. France, xvi. (1900). See Bull. Soc. Bot. Fiance, vii. (1901) 

 j). 453. t Centralbl. Bakt., vii. (1901) pp. 101-6, l3!>-47 (24 tigs.). 



J Bull. Soc. Mycol. France, xvi. p. 88. See Bull. Soc. Bot. France, vii. ( 1901) p. 4. r >5. 



§ Atti R. 1st. Bot. Univ. Favia, 1900, 14 pp. and 1 pi. See Bull. Soc. Bot. 

 France, vii. (1901) p. 475. 



|| Bull. 49 Oklahoma Agric. Exp. Stat., 1900, 32 pp. and 11 pis. See Bot. 

 Gazette, xxxi. (1901) p. 441. 



f Atti R. Accad. Lincei (Rend.), x (1901) pp. t!l-4. 

 *" Tom. cit., pp. 75-9. tf Minnesota Bot. Studies, 1901. pp. 631-41. 



