idia hyaline, obovate and ovate, g-io l / z x 6 //., hyphae hyaline. 

 On lvs. of Betula nigra and B. Icnta. Bethlehem, Pa., Sept 

 1882. E. A. Rau. Differs from G. Betula Mont., and G.bctuli- 

 num Kickx., in its ovate conidia. 



Macrosporium Solani E. and M— Hyphae brown, erect, some- 

 what curved, caespitose, septate, 50-70 x 3-4 >2 /'••; conidia brown, 

 oblong-obovate, pedicellate, endochrcme divided by transverse 

 and longitudinal septa; pedicel hyaline, septate above ; conidia, 

 including pedicel, 100-140 //. long by 15-18//. wide. Growing 

 mostly on the under surface of eroded spots and faded portions 

 of the dyincr leaves of So/ammi tuberosum. Newrleld, N. J. 



Macrosporium Catalpce E. and M.— Hyphae brown, curved, 

 nodulose, 8-12 septate, erect, amphigenous, 90-135 X 6 // ; con- 

 idia brown, obovate and pyriform, sub-muriform, 27-54 x 15-27//. 

 On brown spots on the lvs. of Catalpa nt^n m u/es. Bethlehem, 

 Pa., Oct. 1882. E. A. Rau. 



Macrosporium hereuleum E. and M. — Amphigenous, on dark- 

 gray, round spots; hyphae erect, brown, caespitose, flexuous, spar- 

 ingly septate, 70-80 X 5 ,"- ; conidia brown, clavate, multiseptate 

 with a few imperfect longitudinal septa, 200-225 x 21-26//. On' 

 lvs. of Nasturtium Armoraeia. Newfield, N. J. 



Cireospora caneseens E. and M. — Spots brown, border yellowish- 

 brown, broad and irregular; hyphae caespitose, brown, I IO x 6 ft., 

 conidia, hyaline, cylindric-clavate, 5-8 septate 117x6//. On 

 fading leaves of Phaseolus. In gardens. 



Cercospora flagellare E. and M.— Spots pallid, }4~% cent. 

 diam., sometimes continent; hyphae tufted, brown, crooked and 

 nodulose 75-80 ;< 4//., bearing at -their tips the long, 80-112 

 X 4/'., slender conidia, attenuated above, and 8-10 septate. Am- 

 phigenous, but more perfectly developed on the under side of the 



Cercospora lichiuoeystis E and M.— Hyphae brown, fasciculate, 

 scarcely septate, hypophyllous 42 X \<>- on white round, indefi- 

 nitely bordered spots; conidia hyaline, cylindrical, clavate. 80- 

 io 5 X 3//., 3-6 septate. On lvs. of Hc/iiuocvstis lobata. Lexing- 

 ton. Kv., Professor VV. A. Kellerman. 



Cercospora Dioscorcic E. and M.— 1 fyphae caespitose, brown, 



gray, horde, ,- 1 ! hd>ro\vn ; hyph;e caespitose. hypophyllous, hy- 

 aline ; conidia, cylindrical. [5-Ji ■ W-/'- On lvs. of Plantago 

 major. Kentucky, Professor VV. A. Kellerman. 



Ramularia CcLxstri E. and M. — Spots small, white, border dark- 

 brown; hyphae sub-hyaline, fasciculate, 24 x 3 /*. ; conidia oblong- 



