56 BOTANICAL GAZETTE [july 



beyond the locules. Locules numerous, variable in size, 190X95 

 to 380X190^, located in the mesophyll. Stroma surrounding 

 the locules poorly developed. Asci cylindrical, 8-spored. Spores 

 oblong, hyaline, continuous, guttulate and granular, obtuse, 

 18-20X6-7 ju. — Figs. 27 and 28. 



On Gnipa americana: El. Gigante, 8520. 



Differs from P. laeviuscula Speg. and P. guavira Speg. in character of 

 stroma and size of locules and spores. 



Phyllachora graminis. 



On Eriochloa stthglabra: without number or locality. 



Phyllachora heterotrichae, sp. nov. — Spots small, 2-4 mm. 

 in diameter, approximately circular, pale, visible from above and 

 below. Stromata black, irregular in outline, more prominent 

 below. 1-2 mm. in diameter, occupying the whole thickness of the 

 leaf and usually accompanied by increase in leaf thickness, loose 

 in structure. Clypeus epidermal, present above and often extend- 

 ing far beyond the perithecia; usually present also below but 

 less extensive. Locules many, about 1 10-150 ju in diameter, walls 

 well developed. Asci 8-spored. Spores 13-14 X3 5-4 ju, continu- 

 ous, hyaline. — Figs. 9 and 10. 



On Hctcrotrichum cymosum: Villa Alba, 116. 



Differs from P. melastomacearum Rac. in its much smaller stromata, and 

 from P. alieiia in its small perithecia. 



Phyllachora lathyri (Lev.) Theiss. and Syd. — Figs. 12 

 and 13. 



On Bradburya virginiana: Tanama Rio, 7829; Bayamon, 1887; Jayuya, 

 5991; Manati, 4314; Dos Bocos, 8092; Maricao, 8834. On Galactia striata: 

 Jajome Alto, 5644. On undetermined legume: St. Ana, 6651. 



Phyllachora mayepeae, sp. nov. — Spots irregularly • circular, 

 indefinite, without border, tan or yellow, shading to normal green, 

 3-15 mm. in diameter, bearing numerous (5-50) circular, black, 

 punctiform stromata which are visible equally above and below, 

 200-1000 /i in diameter, occupying the mesophyll. Clypei both 

 above and below, but slightly exceeding the stromata. Stromata 

 unilocular. Locules large, globular, with numerous asci. Asci 



