1090 Hyphomyccl;!', Deip.atiacea'^ Dictyuspora;. Spororlesiniiim. 



Sect, 4. Dictvosporffi. 



SPORODESMIUM Link — Syll. lY, p. 497, X, p. GG5, XI, p. 632. 



1. Spororiesmium Sydowianum Allescli. Kedvv. 1897, p. (164). — !349 

 AcervLilis seu ca^spitulii^ priTno epiderraide tectis, dein erumpon- 

 tibus, punctiformibus. subrotundatis, pallidt' fusois; conidiis elon- 

 gatis V. clavatis, deorsum attenuato-stipitatis, pluri-(ad 10) septa- 



tis muriformibusquo, nd septa constrictis, melleis, ca. 40-70 v 9-18, 

 denique in articulo.-.; globosos, ca. 6-7 [i.. diam. dilabentibus. 



//«6. in caulibus emortuis Sisymbrii latifolii in horto bo- 

 tan. Berolinensi Gerjnanije (Sydow). 



2. Sporodesmium quadratum Atk. Bull. Corneli Univ. III, n. 1, 1897, ^-'•^ 

 p. 40. — Cicspitulis nullis, sed plagulas tenues . effusas hypoplij']- 



las efficiens : conidiis in pedicellis mycelii brevibus gracilibus hya- 

 linis V. fuscidulis ortis, irregulariter globosis, ex olivaceo nigris, 

 loculis minutis. 



Hdb. in fohis Cratfegi, Auburn, Alabama Amer. bor. — 

 Ob septa modia conidia s^epe faciem quadratam pr.ebent. 



3. Sporodesmium puactans Ell. et Ev. Proc. Acad. Philad. 1895, i3fii 

 p. 439. — Sparsum, punctiforme; conidiis c^espitosis, breve stipi- 

 tatis, variis, subglobosis, 20-32 y. diam., v. clavatis, obpiriformi- 

 bus, clathrato-septatis, brunneis, 25-75^12-20, pedicello brevi 

 12-20 j;.. longo, septato incluso. 



Hah. in corticc Planerse aquaticse, Louisiana, Amer. bor. 

 (Laxglois). 



4. Sporodesmium exasperaium EIl. et Barth. Erythea 1896, p. 29. ^352 

 — Pulvinatum, 1-4 mrn. diam., subconfluons, atrum ; conidiis va- 

 riis, globosis v. subglobosis, 5-7 f. diam. vel obovatis irregulari- 

 bus, 10-20 u. diam., 1-septatis, 4-veI varie septatis, subpedicella- 



tis, verrucis minutis subhyalinis tectis. 



Hah. ad Hgnum quercinum in cellario, Kansas, Amer. bor. 

 (Bartjiolomew). 



5. Sporodesmium suffuitum Pound et Clem. Bot. Surv. of Nebraska, 4353 

 IV, Lincoln 1896, p. 6. — C-cespitulis gregariis, superficialibus, gra- 

 nulosis, botryoideis, nigris; hyphis sterilibus repentibus, fuligino- 



sis, ramosis, torulosis; hyphis fertilibus erectis, unicollularibus, la- 

 tis, turgitlis, hyalinis, coTiidiorum diametrum sequanLibus, 25-P»5 -^ 

 13-20; conidiis dcnse congestis, globosis v. globoso-obiongis, raro 



