MucoJineiv, Ameiosporit', Zygodesmiis. 283 



i'aniis ramulisque spiraliter torti?. Coniiiia globosu v. ovoiden, iii ra- 

 mulis solitarie aorogena, subindo pJeurogeaa, ?essilia t. .stipiti^Ilata, 

 rasca, — SlreptotlDix spiraUi< Oerk. Amb. Mould n. o. est ^pe- 

 cies in Borussia statu fossili reperta. 



1. Sfreplothrix fusca CorJa Prachtfl. pag. 23, t. 13, Monosporium i^^67 

 curvaium Bon. llaadb. tig. 115. — Ccespitulis fuscis; hyphis fer- 

 tilibns erectis subcontinui.s, vage ramosis ramuiosisqi.ie, ramis tor- 

 tuosis ; coiiidiis terniinalibus et subinde axillaribus, breve tiliformi- 

 stipitcllatis, ellipsoidoo-ovatis, subinde 2-guttaiis, fusci.-^. 



llah. m ramis Juniperi, socia Pezizd cedrinu, New York 

 Ainer. bor., et in ramis, i^rag Hohemite. 



2. Streptothrix atra B. et C. North Amer. Fungi n. 054. — Ilvphis i.^.os 

 parce arlicuiatis, sursuni ramosis repetito crenulato-tlexuosis ; co- 

 nidiis globosis vel subellipticis, inquinantibus, copiosis, 



Hab. \\\ truncis J u n i p e r i, C a r p i n i a m e r i c a n re, C a r y ae, 

 Persicic in Alabama, Massachusotts, Pensylvania, Carolina Ame- 

 ric;ij borealis. 



3. Streptothrix abietlna Peck 25 Rep. p. 98, tab. I, f. 18-15. — Cai- 13(^9 

 spitulis subglobosis, sparsis V, congestis, brunneo-atris ; hyphis ra- 

 mosi:?, pallidis, echinulatis ; conidiis globosiy minute aspei'ulis, 6- 



7,5 a. diam. 



Hah, iu truncis pro.stratis Abietis, Saudlake Amer. bor. — - 

 k S. alra dilTert conidiis majoribus et hyphis echinulatis, — (( Ob 

 ramos nun tortuosos vix hujus generis )). 



ZYGODESMUS Corda Ic. fung. I, [>. 11 (Etym. z)/gos copula et des- 

 mos nodu.s). — llypha} repentes vage ranios»; confluentesque fu- 

 scae vel pallid;>^ hinc inde unilateraliter intlatulse ibique imporfecte 

 .septala3. Conidia globosa v. ovoidea, niuricata, rarius levia, ex hy- 

 pharurn denticnlis v. ramulis oriunda v. in ramis ba.si<IioTnorphis 

 pAllidis sterigmatophoris quaternatim acrogena. — In Ztigodcsrao 

 fusco. violaceo-fubco. diffaso etc, hyphas unilateraliter nodulo- 

 sas ibique refracto-septaias observavi ; pra^terea ad hypharum 

 apices vidi basidia genuina, clavata, .nec non sterigmata quaterna 

 y. bina .sporas spluericas aculoolatas oxerentia. Ut liquide patet, 

 fabrica h;ec fructificationis cuni llymenomycetibus congruit, duni 

 habitus et Ijypha^ discret;.e bysstnte cum ilyphoTnycetibus conve- 

 niuiit. vSed sine dubio Zygodesmi species qu.Tdam Gssentialiter 

 sunt 1| y m e n o m y c e t e s an II y p o c h n i s vix ac ne vix sepanin- 

 da.'. Quum vero et species piurim:v adsint quoad sporophororuTu fa- 



