PAPERS ON BOTANY ab fr 
Ustilaginoidea Bref. 
Ustilaginoidea usambarensis P. Henn. on Panicum laxum, 
Monte de Oro, 5708, 5671, El Alto de la Bandera, 4365, 4370, 
8660. 
DoTHIDIALES 
Phyllachora Nke. 
Phyllachora granunis ( Pers.) Fel. 
On Paspalum conjugatum; Vega Baja 9269, 9236, El Alto 
de la Bandera, 8720, on Valota insularis Quebradillas, 9228, 
7260, Sta. Ana 7622, Vega Baja 9262, Coamo 8334, on Pas- 
palum virgatum (?) Utuado, 8075, on Arthrostylidium sar- 
mentosum, Utuado, 4388. 
Phyllachora perforans (Rehm) Sacce & Syd. 
On Securedoca virgata, Mayaguez, 7402, Rosario, 9491, 
Maricao, 8981. Specimens previously reported by Garman as 
on Abrus were on this same host. 
Phyllachora scleriae Rehm. 
On Scleria pterota Sabana Llana, 9370. 
The specimen agrees well with the description given by 
Theissen and Sydow. The differences between this species 
and P. cypri Rehm are not large. 
SPHAERIALES 
SPHAERIACEAE 
Phaeospora Zopf 
P. cacticola sp. nov, 
Spots 5-10 mm. long, entirely or partially encircling the 
stems, surface wrinkled, thickly covered with perithecia. Peri- 
thecia subcuticular, 80-150 » in diameter, black, ostiolate and 
erumpent when mature. Asci oblong to elliptical, 60-75x13-25, 
thin-walled, 4-spored, inordinate. Spores elliptical to oblong, 
cbtuse, 3-septate, dark when mature, 34-37x9 uy, 
1. Host determined by Mrs. Chase. 
