ExcipulacciBj Hplosporffl, Psilosporn. 679 



(epidermicas?) plures, ina^qnales clehiscentibus ; nucleo (vel disco) 

 convexo, giMsoo, subopalino; sporulis numerosis, fusoideis, hyidi- 

 nis, 10-15^:3; basidiis bacillaribus, subduplo longioi'ibus. 



Hab. \n squamis strobilorum Abietis in Gallia et Germauia. 

 — ((Sporula? fusoidese v. subclavulatu', 15 ^2'/^, h^^alinii?, basidiis 

 filiformibus, saepins furcatis, 20 is ^V^ hyalinis sufFultae. — * Ph. ac- 

 cedens Sacc. Mich. II. p. 617. Phoma strobilina Peck et Clint. 

 in Rep. on St. Mus. N. Y. : a typo differt sporulis paullo minori- 

 bus, nempe 8-11 ^^^-^Vo- In conis Abietis et Pini Strobi in 

 America boreali et Gallia. — Sphceria strobilina Curr. Simpl. 

 Spha3r. p. 329 eadera res videtur. 

 8. Sporonema Wallrotliii Mont. Pl. Cell. Cent. VIII. SpJt. hians Wallr. mjx 

 Fl. crypt. n. 3742. — Peritlieciis minutissimis sparsis. insculptis, 

 nigris, vertice prominulis convexis, mox ostiolo irregulariter aperto 

 hiantibus excipuliformibus cubiliaque exasperantibus ; sporulis Cy- 

 lindi-aceis, continuis rectis, 15 u., longis; basidiis undique centrum 

 yersus convergentibus, ramosis, 20-30 y.. longis. 



Hab. ad pira immatura humi putrescentia in Thuringia. 



PLEOCOCCUM Desm. et Mont. Ann. Sc. nat. 3. XI. p. 53 (Etym. 

 pleon plus, et coccum). — Perithecia erumpentia, dimidiata, te- 

 nuiter niembranacea, convexo-plana, atra, valvis 2-4 (ssepius ter- 

 nis) siccitate conniventi-approximatis, madore discedentibus, de- 

 hiscentia. Nucleus mucilaginosus, opalinus, humore admoto, cito 

 diffluens. Sporulse ovoideo-oblongro, hyalina?. — A gen. Sporone- 

 malc vix diversum mihi videtur. 



1. Pieococcum Robergei Desm. et Mont. Cent. VI. n, 44, et 1. c. p. 3592 

 54. — Minutum, punctiformo, atro-nitens, in culmo foliisque de- 

 colbratis gregarium ; sporuli^s innumeris, ovoideo-bblongis, lij^alinis 



5 ^. longis; basidiis nullis v. obsoletis. 



Hab. in culmo Juncorum variorum, foliisque siccis Grami- 

 num nec non C y per acear u m, imprimis Car i ci s arenar i», 

 Hermonville, Calvados (Robkrgr). 



2. Pleococcum pezizoideum Cooke, Grev. XII. pag. 24. — Spaisum, 3593 

 atrura, cupiiliforia«. erumpens, margiuo subintegro, disco cinereo- 

 sporulis linearibus, obi.usis, hyalinis, 7 ci 2; basidiis subrectis, sini- 

 plicibus. 



Hah. m folii^ Lathyri, S. Carolina Amor. bor. 



PSILOSPORA Rabonh, Ilei-b. Myc. et Hedw. l. p. 107 (Etym. psilor, 

 nudus, et spora, h. e. sine asco). —  Perithecia innato-snperficiaHa. 



