South African Perisporiales. 
735 
the apex, which is rounded or ends in a broad angle. Perithecia very few 
in the centre of the spot, sometimes only one, black, globose, verrucose, 
200-230 /X diam. Asci 3-4 spored, ovate, shortly pedicellate. Spores 4- 
septate, Vandyke brown, slightly constricted at the septa, oblong, broadly 
rounded at both ends, 48-54 x 18-22 ijl. 
On leaves of Barosma scoparia, G-rahamstown, July, 1876, P. MacOwan 
(MacOwan 1260, de Thiim. Myc. XJnivers. 851). 
On leaves of shrub undetermined. Paddock, Natal, 23/12/13, P. van 
der Bijl(8376). 
Meliola sinuosa Doidge n. sp. 
Amphigenous, mostly hypophyllous, forming black velvety colonies 
1-5 mm. diam. Hyphae very sinuous, with opposite or unilateral branches 
which frequently anastomose, very variable in thickness and sometimes 
constricted at the septa, 5-11 ix thick, composed of cells 18-44 fi long 
Isabella colour (E. XXX). Capitate hyphopodia alternate or unilateral, 
18-25 X 12-15 fjL, stipitate ; terminal cell 14-15 /x long, of various form, sub- 
cylindrical, curved or slightly lobed, apex truncate or convex ; basal cell 
varying in length, usually short. Mucronate hyphopodia rare, 14-15 x 
10-16 /X, the basal part almost hemispherical, narrowing suddenly into a 
slender neck which may be straight or curved, 7-8 x 2-2'5 /x. Mycelial setae 
numerous, scattered over the colony, simple, straight, 250-350 x 8-10 /x, 
opaque right up to the acute apex. Perithecia scattered, black, globose, 
160-220 /X diam. Ascus elliptical-ovate, briefly pedicellate, 2-spored. Spores 
4-septate, the middle cell being larger than the rest, cylindrical, rounded at 
both ends, slightly constricted at the septa, 50-55 x 15-18 /x. 
On leaves of Trichilia emetica, Lemana, Spelonken, Zoutpansberg Dist., 
14/8/11, E. M. Doidge (1783). 
On leaves of Trichilia sp., Kentani, 16/12/14, A. Pegler (8786), (Pegler 
No. 1971). 
On leaves of shrub undetermined, Springfield, Natal, 16/7/15, J. Medley 
Wood (9035). 
M. deciduae afiinis. 
Meliola polytricha K. & Cke. 
GreviUea, 1880, p. 72. 
Sacc. Syll. Fung, i, p. 67. 
(raillard, Le G-enre Meliola, p. 92. 
Hypophyllous or amphigenous, forming black colonies 2-3 mm. diam. 
Hyphae radiating, much-branched, chestnut brown (R. XIV), 8-10 fx thick, 
composed of cells 18-22 /x long ; branches opposite or alternate, numerous. 
Capitate hyphopodia alternate, stipitate, 20-25/x long ; terminal cell broadly 
ovate, globulose or compressed, 14-16 x 12-14 /x. Mucronate hyphopodia 
