140 
RAVENEL S AMERICAN FUNGI. 
On under surface of dead leaves of Asclepias. Aiken, S. Carolina. 
The tufts are seated upon large inky spots, which sometimes 
occupy nearly half the surface of the leaf. 
Cladosporium tenuissimum. Ooolce. — Rav. Fung. Araer. Cent. in. 
Olivaceo-fuliginea ; floccis elongatis, ramosis, flexuosis, septatis, 
fulvis; sporis numerosissimis, ovatis vel ellipticis, primo concatena- 
tis (-008 X •004--02 X -005 mm.). 
On sheaths of Zea Maps. Aiken, S. Car. 
Characterised by the long, thin, flexuous flocci, and the small 
but profuse spores. 
Cexcospora sphaeriaeformis. Cooke. — Rav. Fung. Amer. No. 63. 
Amphigena; maculis fuligineis; hyphis fasciculatis, brevibus, 
fuligineis, simplicibus ; sporis linearibus, supra attenuatis, multi- 
septatis (-OG-'OS nim. long). 
On leaves (Ulmi?) Gainesville, Florida. 
Cexcospora callicarpae. Cooke. — Rav. Fung. Amer. No, 64. 
Epiphylla ; maculis vix determinatis, fuscis : hyphis brevibus, 
fuscis, subsimplicibus, septatis; sporis cylindraceis, vix attenuatis, 
4-5 septatis (‘OG-’O? mm.). 
On leaves of Callicarpa. Gainesville, Florida. 
Cexcospora occidentalis. Cooke. — Rav. Fung. Amer. No. 65. “Hed- 
wigia,” March, 1878, p. 39. 
On leaves of Cassia occidentalis. Aiken, S. Car. 
Cexcospora polygonorum. Cooke. — Rav. Fung. Amer. No. 66. “ Hed- 
wigia,” March, 1878, p. 39. 
On leaves of Polygonum acris. Aiken, S. Car. 
Cexcospora Ziupini. CooJie. — Rav. Fung. Amer. No. 67. “ Hedwigia, 
March, 1878, p 39. 
On leaves of Lupinus diffusas. Aiken, S. Car. 
Cexcospora aeruginosa. Cooke. — Rav Fung. Amer. No. 68. ‘‘Hedwigia,’’ 
March, 1878, p. 39 
On leaves of Rhamnus. Aiken, S. Car. 
Macrosporium commune. Rahh — Rav. Fung. Araer. Cent. iii. 
Oli panicles of Yucca filamentosa. Aiken, S. Car. 
Macrosporium subglobosum. Cke. tfc Rav. 
Effusum, olivaceum. Floccis paucis, repentibus, nodulosis ; 
sporis subglobosis, vel subpyriformibus, muriformibus, olivaceo- 
fuscis (•02--03 X -02 mm.). 
On oak leaves. Aiken, 8. Car. (2260). 
Allied to M. sarcinula, B. 
Macrosporium Floridanum. Cooke 
Effusum, fuligineum. Floccis elongatis, tenuis, nodulosis, sep- 
tatis; sporis clavatis, demum ovalibus, cellulosis, brunneis, cellulis 
ultimis pallidiore ('03 X '015 mm.). 
On legumes of Glotidium Floridanum. Gainesville, Florida. 
IVIacrosporium leguminum. Cooke. 
Tenue effusum, fuligineum. Hyphis brevibus, paucis, nodulosis ; 
sporis elongato-ellipticis, cellulosis, brunneis ; pedicellis hyalinis, 
tenuibus, secedentibus ('05 X '015 mm.). 
Oli legumes of Cassia occidentalis. Aiken, 8. Car (2233). 
