(•.•21 



()li()V!ito or ))\ riforiii, "jO-SO n in tlio loiiircr diniiu'tor ;ui(l-al)out 40 /< 

 ill tlic slioi'tcr, S-s|)()1(m1, without parapliysos. Sporidia ovato-oiilony, 

 livaliiic, 5-7-s('|itat(', with ono or more partial loiiuitiidinal septa. 

 roiiii(l<Ml ainl olitiisc at tho cinls, 20-80 x. 12-1 '> fi, mostly u little (.'oii- 

 strirtc'd at tho iiiiddlc septum and slightly curved. 



On trunks and Iti-anehos of livinir tree?, Carolina (Curtis A- Rav- 

 eiiel), Alahania (IJeauinont), Massachusetts (Spra.t^nio), Pennsylvania 

 (Michener), Miehiuan (IliiUs), New Jersoy (Kllis); on limits of liviiiL! 

 oranjio trees, Floi-ida (Hopkins). 



The measurements of asci and s]ioridia aie from the Florida 

 specimens: those IVoiii iiioi'e nortliemi localities have the sporidia 

 mostly smaller. The Florida specc. [M. Yunnanensis) also difler 

 IVoiii those liiiind in the iioi tliern States, in the alisence ol' any Iree- 

 maru'iiied, thalloid, elliizurate suhiculum. The aenus Mijrlanginm 

 (IVoiii wliieli I'/ii/mdfos/Jncr/'u can not well he sejiaiated) has lieen 

 classe(l anioiin' the L/r/icus, Imt the ahsence of spermoji'ones and troni- 

 iiioiis cells, seems to exclude it from that oi'der. Its true place in the 

 iiiycoloLdcal system is also doubtful, Imt its allinity seems to us with 

 the Dnthidaaced'. Eiiri/thcni, He Seynes, is closely allicfj. We have 

 seen no specc. of I*/n/iii(ifos/)/i<frf(i Ahysxinicu and P. Uracil ii'tmis. 

 which are given aliovc as jirohahle synonyms. 



FAMILY. XYLARIE.*:. 



Ptromata very vai'iaMe in form and size, mostly free, but often 

 more or less sunk in the matrix; either upright and often branched or 

 horizontal, ellused, crustaceous, jtulvinate, globose or hemispherical, 

 mostly black or becoming black, of woody, carbonaceous or suberose- 

 <arnose consistence. Perithecia perijtherical, concentrically arranged. 

 A.sci cylindrical, 8-s])ored. Sporidia continuous, brown or black, 

 often inenuilateral; youn^g stroma clothed with a conidial layer. 



NUMMILARIA, Till. 



Sel. Corp. II, p. 42. 



Stronui orlticular, cup-shaped or discoid, becoming black, juar- 

 iiinate, the margin more or less distinctly sterile. Perithecia monos- 

 tichous, i)eri]»herical, immei'sed. Asci cylindrical, 8-spored. Sporidia 

 uniseriate, sulxdliptica!, continuous, dark. The genus is too closelv 

 allied to Ilypoxyloiiy csj)ecially tho discoid forms. 



