1885.] 



NORTH AMERICAN SPECIES OF MELIOLA. 



147 



by a circle of seti\3. Asci frequently short, thick, 2— 8-spored, without 

 paraphyses. Sporidia typically obloui;-, 2 — l-septate, dusky, but some- 

 times fenestrate, hyaline or dusky. Sacc, Sylloge 1, p. 60. 



1. Meliola A3ipniTKiciiA, Fr. Ravenel F. A., Xo. 82. Ellis X. A. 

 F.,Xo. 121H) and 1296 b. 



Spots black, crustaceous, orbicular, often confluent, amphigenous, 

 mostly hypopliyllous, mycelium brown black, remotely septate, radiating, 

 with short, pyriform, 1-septate, alternate branches ; peritliecia black, 

 globose, then depressed and at length collapsing, rugulose, 200—250 in 

 diameter, circled by black, opaque, rigid, erect setse, 300—500 x 9—12 

 .'J-; asci oval, 2-spored, evanescent; sporidia oblong, dusky, 4-septate, 

 constricted at the septa, 50—56 x 16 2-1 /^-. 



On Persea, Cladium, Olea Americana^ &c. 



2. Meliola Cookeana, Speg. M. amjjliitricha, Fr., Ravenel F. A., 

 No. 84. Ellis :N". a. F., Xo. 1295. 



Mycelium amphigenous, broadly and irregularly effused, subcrusta- 

 ceous, black, easily separating when mature, hyphse thick, branching, 

 intricate, remotely septate, also with short pyriform, 1-septate, alternate 

 branches ; fertile hyphse few, rigid, often only in a circle around the 

 perithecia, 1-spored, apices entire, 120 — 250 x 8—10 /->■ (conidia deficient); 

 perithecia scattered or aggregated, globose, black carbonaceous, bald, 

 scaly, granular, 150—200 /J- in diameter ; asci elliptic, short and thick, 

 stipitate, 2-spored, often immature ; sporidia at first hyaline then brown, 

 oblong, 4-septate, constricted at the septa, 30 — 40 x 10 — 12 

 On living leaves of Callimrpa Americana, Florida. 



3. Meliola cryptocarpa, E. & M. Am. Xat. 17, p. ]284. Ellis X. 

 A. F. Xo. 1293. 



Spots mostly epiphyllous, suborbicular, 2 — 4 mm. in diameter, 

 numerous and often confluent ; mycelium pale brown, creeping, septate, 

 irregularly branched, bearing numerous, oblong-fusiform conidia, pale 

 brown, 3 — 4-septate, 30—40 x 5 — 9 obtuse or acute above, and con- 

 tracted below into a short, hyaline stipe ; erect bristles abundant, sim- 

 ple, multiseptate, black, tips entire and paler; perithecia black, subglo- 

 bose, not abundant and often sterile, 180—200 in diameter, collapsing, 

 surrounded at base with a few diverging, brown, septate appendages, 

 which, like the bristles, are more or less crisped or undulate above. Asci 

 oblong, ovate. 8-spored ; sporidia brown, oblong, or oblong-clavate, 

 2-seriate, 3-5-septate, 30-50 x 10—12 /- . 



On leaves of Gordonia Lasiantlius, Florida. 



4. Meliola fexestrata, C. & E. Grev. 5, p. 95. 

 Subgregarious. Perithecia subglobose, brown, often quite smooth, 



sometimes with a few rigid, subulate, brown hairs equal in length to the 

 diameter of the perithecia, 100—150 hyphse brown, radiating from the 

 base ; asci not seen, sporidia elliptic, multiseptate, fenestrate, brown, 3o 

 — 40 x 12 The whole surface of the scale stained dark brown. 

 On scales of pine cones, JSTew Jersey. 



