RAVENEL’s AMERICAN FUNGI. 
51 
Gibbera pulicaris. Fr. 
On Opuntia. Florida (2555). 
Gibbera moricarpa. Cke. 
Pustulis erumpentibus. Peritlieciis convexo- applanatis, atris, 
opacis, minute velutinis, demum subglabris ; ascis late clavatis ; 
sporidiis numerosis, linearibus, curvulis, obtusis (‘008-'01 mm. long). 
On Myrica. Darien, Georgia (2471, 2540). 
A very curious species. It is Fracchicea heterogenea, Sacc., 
according to Prof. Saccardo. 
Cucurbitaria radicalis. Cke. 
Pustulis variis, erumpentibus, valsoideis, prominulis ; peri- 
tlieciis atris, ovatis, papillatis, opacis ; ascis clavatis ; sporidiis 
linearibus, leniter curvulis, obtusis (’008 mm.). 
On roots of oak. Aiken, S. Car. (1680). 
Hypoxylon malleolus. B. SfRav. 
Issued in Ravenel’s Fungi Americani, No. 181, by error, under 
the name of Hypoxylon concentricum , Fr. 
Hypoxylon annulatum. Mont. 
On oak. Darien, (2488, 2492, 50). 
This species and the following, if carefully studied, will be found 
to be quite distinct. 
Hypoxylon marginatum. Schwz. 
On Myrica (2460). 
On oak (2532, 2413). 
Hypoxylon confluens. Fr. 
On oak. Darien, Georgia (2419). 
Hypoxylon sassafras. Schw. 
On Persea. Darien (2463). 
Hypoxylon perforatum. Schw. 
On Arundinaria. Darien (2506). 
On oak. Darien (2404). 
Hypoxylon culmorum. Cke. 
Parvum, convexum, ellipsoideum, atrum, nitidum. Ostiolo papil- 
laeformi. Ascis cylindraceis. Sporidiis naviculoideis, curvulis, 
nucleatis, brunneis ('015--018 x '006 mm.). 
On Arundinaria. Darien, Georgia (2505). 
Nummularia discreta. 8. 
On branches. Cotoosa. FI. (2558). 
Diatrype stigma. Fr. 
On oak. Darien, Georgia (2412). 
Diatrype hypophlsea. B. Rav. 
On Persea. Darien (2539). 
Diatrype microplaca. B. <k C. 
On Persea. Darien (2465). 
Diatrpe rumpens. Cke. 
On Fraxinus. Aiken (1555). 
Melogramma Wisteriae. Cke. 
= Thumenia Wisteria. Rehm. 
On branches of Wisteria. Aiken (2615). 
