Young: Studies in Porto Rican Parasitic Fungi 45 
late, septate, pale-olivaceous, 54-144 X S-4-7-2//.; conidia oblong- 
cylindrical, hyaline, sometimes slightly curved, 3-5 septate, 36-81 
X 3 - 6 - 5 - 4 /^. 
On leaves of Teramnus uncinatus (L.) Sw. in Porto Rico: 
Maricao, 764; Dos Bocas below Utuado, 6554 (type) ; , 5815; 
Cabo Rojo, 22yi. 
17. Cercospora boringuensis sp. nov. 
Spots definite, amphigenous, reddish-brown, varying from 
spherical to irregular, often coalescing and forming large, brown 
patches on the leaves ; conidiophores fasciculate, simple, septate, 
brown, 72-144 X 3-6-54/i; conidia clavate, slightly curved, hya- 
line, 3-7-septate, 36-54 X 5.4-7-2|».. 
On leaves of Calapogonhim orthocarpum Urban in Porto Rico: 
Mayagiiez, 6752 (type). 
18. Cercospora Stevensii sp. nov. 
Spots amphigenous, reddish-brown above, black below, 1-2 
mm. in diameter; conidiophores densely fasciculate, simple, 
cylindrical, brown, septate, some peculiarly twisted ; conidia hya- 
line, oblong-cylindric, often slightly curved, septate, granular, 
32.4-72 X 3 - 6 - 6-3 
On leaves of Andira sp. in Porto Rico : Dos Bocas below 
Utuado, 600 (type), 6549. 
19. Cercospora guanicensis sp. nov. 
Spots amphigenous, spherical to ovate, yellow to greenish- 
brown above, reddish-brown below, conidiophores, densely fas- 
ciculate, septate, unbranched, 76-96 X 4-8 /x ; conidia oblong- 
cylindric, subhyaline, slightly curved, 3-6-septate, granular, 39.6- 
96 X 3-6-7.2 fi. 
On leaves of Giiilandina crista in Porto Rico : Guanica, 6840 
(type), 6845. 
Associated with this is a species of Dothidella. 
20. Cercospora Malachrae sp. nov. 
Spots amphigenous, spherical, 2-5 mm. in diameter, scattered, 
the centers white, surrounded by a black, slightly elevated mar- 
gin, the portion of the leaf about the spot reddish-purple to 
purplish-black, often large areas infected ; conidiophores fascicu- 
