11 





654 



Eloncli. n, ]). 68, is (jiioted as a sviionvin of Sphwria utrmneiitoxn 

 Fr. in K/e. Myc. ITeftc, 2, p. 38, aiid Fr. H. M. II, \). 344, is tlio same 

 as the Sphd'fki ins/dens, Scliw. in Syn. Car. 122, and Fr. S. M. Il, 

 ]i. 422, is not certain, l)nt as far as the diagnoses go they may lie the 

 same; in tliat case tlie specific name, atramcntosa, lias i»rccedence. 



H. colliciilosiim, (Scliw.) 



Sf>h(Siia (ollinilo.\a, Scliw. Syii. Car. No. S2. 

 Hypoxylon colliciilosiim, Cke. Syii. loio. 

 Exsicc. (Rav. F. Am. 742)? 



Efl'used thin, collicniose, rugose, black. Peritliecia very huge, 

 covered with a thin crust wiiich is i)apillate from tlie minute ostioia. 

 and witli flattened Itases not imniei-sed in the wood or sui'roiinded liv 

 any circumscrihing line, sul)distant l»nt connected Ity a stroiiialic 

 crust. Margin various, shining as if oiled, surface veiy uneven ami 

 rimose. Hporidia 12-13 x 5 n (Cke.). 



On rotten oak wood, Cai-olina and Pennsylvania (Scliw.). 



As already stated, the specimens in Hav. F. Am. d* not agree 

 with the descrijition of //. colli v.idosuin, having liotli peritliecia and 

 sporidia too small, and are ])roltal)ly referaltle to //. insldens, Sehw. 

 We do not find any sp(!cimen of Sphcv/ria coUicidosa in Herl». Scliw, 



H. illiliim, (Sdivv.) 



SplicEvia illita, , hw. Syii. N. Am. 1205. 

 Hypoxylon illilitm, Sacc. Syll. 1511, Cke. Syii, ioi.(. 



Widely crtused, confluent, the layers often superimposed, so as to 

 imitate a sculjitured surface, the matei'ial of the stroma ajijtearing as if 

 smeared on the decaying wood. Surface undulate and uneven, at first 

 of a fine olive-green, hut Hnally black. Peritliecia rather large, 

 slightly prominent, with ostioia indistinct or acutely conical and thick 

 walls, surrounded with a sparing white stroma. Spoi'idia fiisoid. 

 mivicular, very pale Itrown, acute, 10-12 \2J-3g /z in spec, in llerli. 

 Schw. (14-16 X 4 /z. Cke.). 



Not iiifre(|ueiit on standing trunks, especially of IHatanvf, in- 

 vesting them almost comiiletely with its broad, uneven, confluent 

 stromata, Bethlehem, Pa. (Schw.). 



H. iiivestiens, (Scliw.) 



Spharia iiivcstifus, Schw. Syii. N. Am. 1210. 

 Hypoxylon invi'sliens, Berk. CviUan FuiiRi, No. h37. 

 Kxsicc. Rav. Hiingi Car. IV, 33. 



Seated on a thick sterile crust tiiat spreads over and blackens the 

 wood, following all the ine(|ualities of its surface. On this crust staml. 

 densely crowded in a single series, the regulwrly olilong peritliecia. 



