NEW WEST AMERICAN FUNGI- ~ 25 



Oloeosporinm Cercocarpi, E. & E. 



On Cercocarpus betulifolius, Pasad 



McClatchie, No. 386. 



Spots ampliigenous, suborbicular 3—5 ram. diam., and 

 reddish-brown, with a yellow-shaded margin above, larger, 

 more indefinite and slate-colored below. Acervuli numerous, 

 innate, more prominent below, subconfluent. Conidia abun- 

 dant, minute, elliptical, hyaline, about 3xl|;/. 



Septogloeum ConYohuli, E. & E. 



On leaves of Convolvulus occidentalis, Pasadena, Calif., 



Aug., 1893. McClatchie, No. 390. 



Spots araphigenous, orbicular, reddish-brown, 2—3 mm. 

 diam., with a raised border. Acervuli epiphyllous suberum- 

 peut, blackish when dry. Conidia cylindrical, nucleate, 

 becoming 3-septate, hyaline, straight or curved, obtuse, 

 20— 30x3/f. The leaves soon become brown and dead. 



Cylindrosporium Negimdinis, E. & E. 



On leaves of Negiindo acer aides, Rockport, Kansas, Sept., 

 1893. E. Bartholomew, No. 1138. 



Spots amphigenous, yellowish, more deeply so around the 

 margin, 2—3 mm. diam. Acervuli yellowish, about 300;/ 

 diam., erumpent on both sides of the leaf, but more promi- 

 nent below where they form little yellowish tubercules 

 1'2— 20 on a spot. Conidia cylindrical, curved, faintly 3—7- 

 septate, 40—60x2^—3/^. 



This seems really distinct from Sepiovia Negundinis, 

 E. & E., in the absence of any perithecum and the longer 

 sporules. Specc. of Septoria Negundinis from Canada, 

 Montana, and Missouri all agree with the diagnosis m Proc. 

 Phil. Acad., the sporules being constantly only 3-septate and 

 mostly less than 35/i long. On the Kansas specc. of Gjilindro-^ 

 sporium Neg 



^ ^ ^ _^ minute black perithecia, quite 



abundant on the spots on the lower side of the leaf, but they 

 are entirely sterile and not to be mistaken for the perithecia 

 of Septoria Negundinis. 



