614 Hyphomyceteae, Dematieifi, Amerosporae, Botryotricbum. 



2. Hadrotrichum Heteromelis E. et E. New West-Amer. Fung. 20 3933 



iii Erythea vol. II, 1894. 



TJab. in foliis Heteromelis arbutif oli?j, Catalina Island 



Californiae. — Maculse hjpophjlise, atro-brunneae, Glevato-margi- 



natae; hyphas caespitosae 15-30^:3,5-4, subnoduiosae, subcontinua^ ; 



conidia ovoidea v. riavicularia, brunnea, continua, 15-22 '#6-7. 



ACREWONIELLA Sacc. — Syll. IV, p. 302, X, p. 588. 



1. Acremonieila occulta Cavara in Zeitschr. f. Pflanzenlirank. 1893, 3934 

 p. 24, t. I, f. 8. 



Ilab. in interiore culmorum, Rocca S. Casciano Lombardia. — 

 Punctiformis, atra; mycelium araneosum, aibum; hyphae sparsae, 

 validse, septatae, ramosse, rarais rectangulari-exeuntibus, fertilibus 

 erectis, longissimis, dilute luteo-brunneis; conidia ellipsoidea v. glo- 

 boso-depressa, opaca, levia, 13-15^9-12, episporio fragili. 



DEMATIUM Pers. — Syll. IV, p. 308, X, p. 589. 



1. Dematium vinosum Massee Grev. XXI, p. 7, t. 182, fig. .?935 



llab. in charta uda, gumrai obducta in Britannia. — Effusa, 

 theobromina; hyphae steriles repente?, liyalina?, septatre, rami fer- 

 tiles erecti, raraulosi; conidia catenulata, acrogena, breve cylindra- 

 cea utrinque truncata, vinoso-brunnea, 10-12 p.. diam. 



Trio. 8. Sarcopodie^ Sacc. 



HELICOTRICHUM Nees - Syll. IV, p. 313, X, p. 592. 



1. Hellcotrlchum Piatani (Otth)Sacc. PszVonm Plalani Ottli Bern. Mit- 3930 



theil. 1870, p. 112. 



Ilab. in foliis dejectis Piataiii pr. Bern Helvetias, — Caespi- 



tuli griseo-nigricantes, 1-3 mm. crassi; hyphre erect;ie, rigid;Te, fu- 



sco-brunnecP, continuae, simplices. scabrai. su.^sum circinato-ciirv*'; 



conidia basi coacervata, Iiyalina, conlinua, 10-13 ::;I. 



BOTRYOTRICHUM Sacc. et Malbr. - Syll. IV, p. 313. 



1. Botryotrichum (Peziolrickum) Lachnella Sacc Hedw. 1893, p. 58, 3937 

 t. 6, fig. 4. — Hinc inde gregarium, umbrino-fuscum ; c;i}spitulis 

 ex hyphis dense circulariter fasciculatis compositis, Pezizulam 

 hirtam (ex. gr. LacJinellam barbatam revocantibus) 1 miii. 

 diam., subinde confluentibus; hyphis storilibus eroctis, rigiduiis, 

 seplulatis, 0,7 mm. longis, 3-4 y. rr., apicem versus pallidioribus, 

 acutiusculis. basi rnroos ferliies, flexuoso.s, inaeqnalilnr ramulosos 



