Melanoonie», Pha^ospora;, Melanconiuni. 759 



stulis erunnpentibns, convexis, atri;?, centro pallidis; conidiis ova- 

 tis, Htro-brunneis, 12=; 10. 



llah. \n Ibliis petiolisque Sabal, Darien Georgice. 



61. Melanconium Pandani Lev. in Ann. Scienc natur. Bol:. 1845 p. .'^98r> 

 60. — Acervulis ennnpentibus, atris, crassiusculis, prominentibus, 

 l-l'/o niill. diani.; conidiis oblongis, apice rotundafis, deorsuin sub- 

 acutatis, 8-9 :; 4-5, 2-guttaTis, olivaceis, basidiis pra^longis, fili- 

 forinibus. ramulosis, tortuosis. byalinis, plerunique 40-50^:3 suf- 

 fultis. 



Hah. \\\ foliis Pa n d a n i culti Paris (Lkvkillk) et Lyon (Therry). 



62. Meianconium americanum Peck liep. on the St. Mus. New York. •^'^^^ 

 — Acervuli.s nnnutis subasjrixren-atis v. in maculis subcircularibus 

 circinannbus ; stromate nulio v. obsrdeto; conidiis compactis, sub- 

 globosi.s v. late ellipsoideis, 5-7 y.. lonf^is, in grumulos conoideos 

 eftluentibu.^, matricemque atrantibus. 



Ilah. in foliis emortuis Agaves american?R in hortis, Buf- 

 falo Amer, bor. 

 03. Melanconium Typhae 1'eck Bot. Gaz. p. 275. — Acervulis pere- 3987 

 xiguis. punciirorrnibus vpI anguste obh^ngis, epidermide denique 

 longitudinaliter v. irregulaidter tissa vehitis ; conidiis obh)ngo-fu- 

 soideis, atris. 10-14::; 4, basidio j^roprio srepius persistenter hif- 

 rentibus. 



Hub. in foliis emortuis Typha; an g u s t i fo 1 i ;e, Cliarlotte. 

 Vermont Amor. bor. (C. G. Fiinsc.LK). 



64. Melanconium Secalis Lib. in Ilerb., Cooke in Grevillea. — Acer- nDsa 

 vulis minimis, globosis, nigris, primo tectis, demum lisso-erumpen- 

 tibus; conidiis ovalibus, atris, simplicibus, cirratim erumpentibus. 



Hah. in culmis Secalis cerealis in .'Vrduennis (LinERT). 



65. Melanconium sphaBrospermum (Pers.) Link Sp. pl. Fungi II. p. 91, 3989 

 Siilbos-pora spkwi-osperma Pers. Svn. p. 97. — Acervulis com- 

 pactis, oblongo-compressis, epidermide tumidula vix fissa tectis; 

 conidiis globoso-depressis S-10 y.. diam., 6-7 y.. cr., farctis, fu- 

 ligineis. 



Hab. \n culm is P h r a g m i t i s c o m m u n i s, A r u n d i n i s I) o- 

 nacis, Arundinariu! gigantea"! in Germania, Italia, Gallia, 

 Britannia, Lusitania. — (Tijmnosporhiin inquinans Berk. Grev. 

 VII. p. 45 huc forte spectat. A typo Coniosporii v. Papularice 

 ■conidiis conglutinatis tectisque diRert, a Melanconiis veris autem 

 nisi basidiis minus evolutis non differt. Videretur tainen potius 

 forma tecta compacta Coniosporii (Papularia?) Arimdinis Corda. 



