Tracy and Earle : New Fungi from Mississirri 495 



lOO //, black : sporules elliptical, hyaline, uniseptate, not con- 

 stricted, guttulate, i6-i8/>? x 4-5 //. 



On living- leaves of Querent; Virgbiiana^ Ocean Springs, Miss., 

 Feb., 1898, Tracy & Earle, no. 5253. 



This seems to be SpJiacrcllopsis qnsrcuum Ckc. Grev. 12: 23 

 and Ascochyta qucrcuuui (Ckc.) Sacc. Syll. Fung. 3 : 393, as nearly 

 as can be determined from the brief and unsatisfactory description. 



Coniosporium palmicola 



Epiphyllous : acervuli abundant, scattered, subrotund, .5-75 

 mm. in diameter, permanently covered by the epidermis which 

 finally splits along one or both sides : sporules globose, opaque, 

 minutely roughened, i 1-13 //. 



On languishing leaves of Sa'ml scrndaUx, Biloxi, Miss., 1898, 

 S. M. Tracy, no. 5243. 



Cercospora Decumariae 



Epiphyllous, occupying deadened areas at the apical end of 

 the leaf, diffused : hyphae fasciculate in large clusters from a tu- 

 berculate base, short, simple, continuous, fuscous, 15-20x5-6//: 

 conidia narrowly obclavate, much attenuated below, slightly fus- 

 cous, the enlarged upper part 5-7 -septate, the attenuate lower por- 

 tion continuous, 70-80// x 4-S /^ 



On languishing leaves of DecuDiaria barhara^ Ocean Springs, 

 Miss., Nov., 1897, S. M. Tracy, no. 5206. 



Cercospora Morongiae 



Caulicolous : spots definite, dark colored, oval, 3-5 mm. long : 

 hyphae in dense clusters, simple or rarely branched, frequently 

 septate, somewhat torulose, fuscous, 75-100 //X4-5 // : conidia ob- 

 clavate, fuscous, 3-5-septate, 50-60// X 3-4/^. 



On stems of Morcvigia vncinata^ Ocean Springs, Miss., Apr», 

 1898, S. M. Tracy, no. 5205. 



Cercospora Oxydendril 



Hypophyllous on brown and deadened spots sometimes reach- 

 ing I cm.: hyphae in small clusters, simple or branched, nodulose, 

 several-septate, slightly fuscous, 20-25 // x 5-6 /i: conidia slender, 

 curved, nearly hyaline, 4-7-scptate, 50-60 // x 3 //. 



On languishing leaves of Oxydcndron arborcuiii, Biloxi, Miss., 



0(;t, 1898, S. M. Tracy, no. 4086. 



