394 Myxomyceteae, Stemonitaceae, Comatricha. 



tum connexis ; sporis plus minusve spini^osis, violaceo-atris, 12- 

 16 U: diam. 



Hab. in foliis emortuis et in lignis in Germauia, Britannia, 

 Fenuia, Gallia et Amer. bor. — Huc ducenda est Stemonilis ar- 

 cyrioides Cooke Fungi Brit., ser. I, n. 523. — Var. irideum Cooke ij 

 Myx, Gr. Brit. p. 50. Peridiis, globosis, c;ieruleis, iridescentibus v. 

 cupreis, stipitatis; stipite diametro peridii duplo longiore, erecto, 

 brunneo, basi in hypothallum expanso, peridium fere medium pene- 

 trante, apice truncato ; capillitio e floccis gi'acilibus, radiatis, fur- 

 catis, apice liberis, violaceo-brunneis formato ; sporis violaceo- 

 brunneis vix levibus, 11-12 a. diam. In foliis emortuis etc. iri 

 Britannia. 



14. Lamproderma nigrescens Sacc. in Mich. II, p. 262 nou Rost. — , 

 Late gregarium, totum nigricans; peridiis perfecte sphaericis, non 

 umbilicatis, Y4 mm. d., initio lutescentibus dein opace nigris, levibus . 

 persistentibus, erectis; stipitibus filiformibus, y, mm. altis, 40 •/. 

 crassis, atris, hypothallis (ubi manifestis) discretis, minutis, rufe- 

 scentibus; columella tereti, ad medium peridium evanescente, apice 

 obtusiuscula, floccis ab hoc apice radiatim exeuntibus, diciiotome 

 ramosis, filiformibus, fuligineis; sporis globulosis, 9-10 u.. diam. 

 pallide violaceo-fuligineis, minutissime echinulatis. 



Hah. in foliis dejectis Buxi, Robiniai, Pinorum, frustulis 

 ligneis coacervatis etc. Selva Ital. bor. — .\ Lampr. plu/saroide 

 statura sporisque rainoribus, a Lampr. violaceo peridio sphrerico, 

 atro etc. diversum. 



COMATRICHA Preuss Hoyer. in Linnaea Bd. 24, ser. 141, Rost. Mon. 

 pag. 197, Cooke Myx. pag. 47, Schroet. Krypt. Fl. Schles. Pilze 

 p. 117 (Etym. a coma et irix). — Peridia stipitata, cvlindracea 

 vel globosa, membrana vulgo fugacissima, Columella sursum atte- 

 nuata, longitudine dimidium peridiurn superans. Capillitium e co- 

 lumella enascens. Flocci numerosi, furcati, reticulatim connexi, n 

 ticulum tamen nullum superficiale cum pariete peridii paralleluin 

 formantes. 



1. Comatricha typhina (Roth.) Rost. Sluzowc. pag. 198, fig. 46, 47, 1 

 Cooke Myx. p. 47, f. 46, 67, Schroet. Krypt. FL Schies. Pilzep. 118, 

 Clathroidasirum obscurura Mich. tab. 94, f. 2, Mucor capituh 

 fnsco Scop. Fl. Carn. p. 66, Mucor stemonitis Scop. Fl. Carn. 

 p. 493, Schff. t. 296, Embolus lacteus .Jacq. Musc. I, t. 6, Clathrm 

 nudus Fl. Dan. t. 758, Clathrus perlusu^ Batscli. f. 176, Stnnio- 



