South African Perisj)oriales. 
723 
XX. Superficial cells of perithecium mammillate. 
M. Peglerae. 
XXX. Certain superficial cells of perithecium sub- 
cylindrical, recurved. M. inermis. 
B. Setae perithecial. M. Bosciae. 
c. Setae mycelial, simple and straight. 
a. Setae quite straight or abruptly geniculate at 
the base. 
X. Capitate hyphopodia usually opposite. 
. Spores 35-40 /x long. 
. . Spores 47-55 fi long. 
XX. Capitate hyphopodia usually alternate. 
. Spores less than 35 /x long. 
. . Spores 40-50 /x long. 
0 Apex of setae obtuse. 
00 Apex of setae acute. 
. . . Spores 48-55 /x long. 
0 Setae translucent. 
00 Setae opaque throughout. 
h. Setae more or less fiexuose. 
X. Capitate hyphopodia alternate. 
XX. Capitate hyphopodia usually opposite. 
D. Setae mycelial, curved. 
a. Spores 38-48 x 16-20 /x. 
h. Spores 50-55 x 14-16 /x. 
c. Spores 50-54 x 18 
E. Setae mycelial, forked. 
a. Setae only forked at the tip. 
h. Setae with more or less spreading branches. 
X. Ultimate branches usually 3 -fid at apex 
XX. Ultimate branches usually bi-fid. 
0 Main branches of setae up to 90 /x 
long. M. bifida. 
00 Main branches of setae up to 130 /x 
long. M. leptidea. 
Meliola manca Ell. & Mart. 
G-aillard, Le Genre Meliola, p. 37. 
Amphigenous, but most frequently epiphyllous, forming black, orbicular, 
or irregular, thinly carbonaceous spots, 2-5 mm. diam. ; these are frequently 
confluent and cover the greater part of the leaf surface. Perithecigerous 
mycelium, consisting of slender, rather pale hyphae 7-8 ft diam., articula- 
tions distant, cells 18-30 /x long ; branches remote and sometimes anasto- 
M. cajjensis. 
M. Toddaliae. 
M. microsjpora. 
M. am/pliitricha. 
M. Bhois. 
M. microtJiecia. 
M. sinuosa. 
M. polytricha. 
M. rigida. 
M. falcata. 
M. arcuata. 
M. Woodiana. 
M. furcillata. 
M. varia. 
