244 



superficial, in small (1 mm.), valgoid clnsters, witli their bases stromat- 

 ically connected. Asci clavate. Sporidia linear, slightly curved, 

 obtuse, 8 jjL long. 



On bark of oak roots, South Carolina. 



In the specimens in our copy of Rav. F. Am. some of the perithe- 

 cia contain minute, oblong, hyaline spei^matia and others, large hyahne. 

 oblong-elliptical stylospores, 20-26 x 12-14 [i, with a thick, hyaline 

 epispore {Dothiorella sp.) The perithecia are not collapsed. This 

 must be considered a doubtful species. 



FRACCHlilA, Sacc. 



Myc. Ven. Spec. p. 115, tab. XII, figs. 3-7. 



Perithecia aggregated or subscattered, superficial, on a stromatic 

 crust, globose or depressed, black or brown, coriaceous or coriaceo- 

 carbonaceous. Asci clavate, polysporous. Sporidia oblong or allan- 

 toid, subhyaline. 



Fr. snbcongregkta, (B. & C.) 



Spkczria subcongvegata, B. & C. in Rav. Fungi Car. IV, No. 57 (1855). 

 Fracchima heterogenea, Sacc. M. Ven. Spec. p. 115 (1873). 

 SphiEyia subconnata, B. & C. Grev, IV, p. 141 (1S76). 

 SphcEria subconvexa, B. & Rav. (ubi) ? 

 Gibbera moricarpa^ Cke. Grev. VII, p. 51 (1878). 



Sphixria polycocca, B. & Rav. in Rav. Car. IV, No. 62 (sec. Cke. in Grev. XV, p. 83). 

 SphiEria boiryosa, Tode, Scler. No. 122 (sec. specc. det. by Cke. in Grev. V, p. 93). 

 Kxsicc, Rav. F. Car. IV, No. 57 — Speg. Dec. Myc. Arg. No. 41.— Rav. F. Am. 343— Ell. 

 N. A. F. 692. 



Perithecia cespitose or partly scattered, seated on a thin, stro- 

 matic crust on the surface of the wood or bark, depressed-spherical, 



1 to nearly J mm. diam., black and verruculose. Ostiolum minute, 

 scarcely prominent, becoming umbilicate. Asci elongated-clavate, 

 attenuated below, 60-70x12-15 ft, polysporous, (paraphysate, sec. 

 Speg.) Sporidia allantoid, yellowish in the mass, 6-9 xl| /i (12.x 



2 fjL, Sacc.) 



On bark of Myrica and Liquidambar, Georgia (Ravenel), on 

 Morus, New Jei-sey. 



We make the sporidia in Speg. So. Am. specimens only 6-9 x 

 1^ /z, mostly 6-8 x 1| /i, the same as in our N. Am. specc. 



Fr. callista, (B. & C.) 



Cucurbitaria callista, B. & C. Grev. IV, p. 47, 

 Fracckieza callista, Sacc. Syll. 388. 

 :exsicc. Rav. Car. V, No. 67.— EH- N. A. F. 1188. 



Perithecia closely aggregated, seated on a patch of tobacco-brown, 



