Hyphomyceteac, Dematiese, PhragmosporaB, Heterosporium. 657 



recto subflexuosis, apice parce deutatis, 40-65 »3,5-4; conidiis hya- 

 Jinis, 1-7-septatis, teretibus, rectis v. subcurvis, 10-60'* 2,5. 



Hab. in foliis Agrostidis, Auburn, Alabama America bor. 

 (DuGGAR et Newman). 



188. Cercospora caespitosa Ell. et Ev. Proc. Acad. Phil. 1891, p. 88. 7755 

 — Plerumque hypophylla; caespitulis sparsis, atro-brunneis, 0,2-0,3 

 mra. diam., fere puccinioideis ; hyphis dense caespitosis, brunneis, 

 3-5-septatis, undulatis, supra geniculatis, 70-100 v 4; conidiis cy- 

 lindraceo-fusoideis, leviter curvatis, hyalinis, 20-35^3-3,5. 



Hab. in foliis vivis Eustachydis petrese et Chloridis 

 Swartzianae, Ocean Springs Miss. Araer. bor. (S. M. Tracy). 



189. Cercospora seriata Atk. Cerc Alab. p. 27. — Maculis amphi- 7756 

 genis, cinereis, definite brunneo-rnargiuatis atque indefinite flavo- 

 cinctis, irregulariter oblongis, subinde confluentibus; hyphis 'epi- 

 phyllis, dilute rubro-brunneis, demura saturatioribus, flexuosis, den- 

 tatis, 20-50 » 4, in Ciespitulos parallelos fasciculatis ; conidiis hya- 

 liuis, subcylindraceis, rectis vel curvis evanide 2-6-septatis, 30- 



70 ^ 3-3,5. 



Hab. in foliis Sporoboli asperi, Auburn, Alabaraa Araer. 

 bor. (DuGGAR et Newman). 



HETEROSPORIUM Kl. ~ Sacc. Syll. IV, p. 480. 



1. Heterosporium Golranicum C. Mass. Contr. Mic. Ver. p. 117. — 7757 

 Caespitulis suborbicularibus, glauco-subvirentibus, siromate parvo, 

 celluloso irisidentibus, epiphyllis vel amphigenis; hyphis fertilibns, 

 olivaceo-cinerescentibus, erectis, dense fascicuiatis . 1-2-septatis, 

 50-65 [i.. long., simplicibus, apice nonnihil subincrassato-obtusis; 

 conidiis acrogenis, raro subcatenulatis, elliptico-oblongis, longitu- 

 dine varia, 5-7 a. cr., plurimis continuis, aliis I-3-septatis, super- 

 ficie grauulato-scabris. 



Hab. in foliis raarcescentibus Rosse caninaB?, Precastio pr. 

 Tregnago in agro veronensi. 



2. Heterosporium Laburnl Oud. Contr. Myc Pays-bas XII, p. 33. ~ 7758 

 Maculis aridissimis, ex griseo fuscescentibus, linea e rubro fusca 

 limitatis; caespitulis amphigenis, griseis, densis, e basi stromatica, 

 cellulosa oriundis, flexuosi?;, nodosis, circ. 100-240 a 4,5, dilute gri- 

 seis, simplicibus, septatis; conidiis acrogenis, ovoideis, oblougis aut 

 cylindraceo-obloDgis, utrinque rotutidatis, minoribus continuis, 4 c; 



2,5, majoribus, 2-4-septatis, paullulum continuis, asperulis, fuligi- 



42 



