1198 Deuteromycetae, Melanconiacese, Colletotrichum. 



1. Trullula atro-fuliginea Speg., Myc. Arg. Y, pag. 407, Anal. Mus. 772£ 

 Nac. Buenos Aires XX (1910). — Matrice in£ecta quandoque ma- 

 cula pallida indeterminata notata, quandoque tota concolore sordide 

 grisea; acervulis hinc inde densiuscule gregariis, primo epidermide 

 tectis dein nudis, planiusculis v. vix convexis, orbicularibus, 200- 

 350 [X. diam., atro-fuligineis ; conidiophoris bacillaribus 20-25 v 

 1,6-2, fasciculatis v. e basi ramosis superne obtusiusculis subno- 

 dulosis monospermis, deorsum hyalinis, sursum fumosis, margine 

 acervulorum paraphysibus iiliformibus duplo triplove longioribus 

 60-80 « 2 cincto; conidiis ellipsoideis utrinque subacutiuscule rotun- 

 datis, 6-10 « 3-6, eguttulatis, obscure fuligineis. 



Hdb. a,d sarmenta arida subputrescentia Yitis viniferae, La 

 Plata Argentina Amer. austr. — Tr. olivascenti Sacc. certe co- 

 gnata, sed conidiis duplo crassioribus obscurioribusque distincta 

 videtur. 



2. Trullula nigerrima Speg., Myc. Argent. Y, p. 407, in Anal. Mus. 7730 

 Nac. Buenos Aires XX (1910). — Maculis saspe totam matricem 

 ambientibus, sordide cinerescentibus ; acervulis gregariis amphige- 



nis erumpentibus, hemisphtericis v. subconoideis, 200-250 [jl. diam., 

 compactiusculis, aterrimis; conidiophoris filiformibus 75-80 * 2, de- 

 orsum coalescentibus sursum liberis, apice acutiusculis, monosper- 

 mis; conidiis ellipsoideis, utrinque subacutiusculis, rotundatis 8- 

 10 ^ 4:-4:,b, ssepius biguttulatis, levibus, subopace fuligineis. 



Hab. ad cladodia arida Rhypsalidis Lorentzianse, La 

 Plata Argentina Amer, austr. 



COLLETOTRICHUM Corda — Syll. III p. 736, X p. 468, XI p. 569, 

 XIV p. 1016, XVI p. 1006, XVIII p. 462 *). 



1. Colletotrichum Canangae Koord., Bot. Unters. Java (1907) p. 220, 7731 

 fig. 33 III. — Acervulis foliicolis, sparsis, epidermide erumpenti- 

 bus, 0,1 mm. diam.; setulis fuscis, rigidis, continuis v. 1-2-septa- 

 tis, haud raro articulatis, 60-80 [Ji. longis, rectis v. curvulis, apice 

 acutis; conidiis cylindraceis, rectis v. subrectis, hyalinis, utrinque 

 rotundatis, 13-16 's^ 4-5; conidiophoris brevissimis. 



Hab. in foliis vivis Canangae odorat;e in Purworedjo prov. 

 Kedu Java (Koordebs). 



*) Non immerito forsitan ol. prof. Voglino, in Ann. R. Aooad. Agrio. To- 

 rino, XLIX (1907) p. 24-26 extr. duoit Vermiculariam trichellam et Verm. cir- 

 cinantem ad geaus Colletotrichum. 



