32 
SOUTH AFRICAN FUNGI. 
Dothidea vorax, B. ^ C., forma minor. 
On Oplismenus africanus. No. 1326. 
Dothidea circinata, Kalch. Che. 
Amphigeiia, inaequalis, minuta, convexa, atra, nitida, circulari- 
gregaria. Ascis clavatis. Sporidiis biseriatis, inaequaliter uni- 
septatis, fuscis (-012 X ’006 min.). 
On living leaves of LeguminoscB. No. 49. 
Forming orbicular spots on both surfaces, almost with the habit 
of a Sphcerella. 
Dothidea scabies, Kalch. Gee. 
Amphigena. Maculae fuscae, orbiculares. Pseudo-peri theciis 
gregariis, convexis, atris, subopacis. Ascis clavatis. Sporidiis 
ellipticis, continuis, fuscis (*025 x *01 mm.). 
On unknown leaves. Natal. No. 50. Caffraria. No. 48. 
Stigmatea sutherlandise, Kalch. de Cke. 
Phyllogena, punctiformis, atra, elevata, convexa, nitida, sparsa. 
Ascis clavatis. Sporidiis ellipticis, continuis, hyalinis (*01 X ’005 
mm.). 
On fading leaves of Sutherlandia. No. 1415. 
Stigmatea rhynchosiae, Kalch. db Che. 
Epiphylla, atra, nitida, convexa, gregaria, in maculis orbicu- 
laribus disposita, numerosa, minutissima. Ascis clavatis. Sporidiis 
ellipticis, hyalinis, continuis, binucleatis (*012 x '006 mm.J. 
Oli living leaves of Rhyiichosia. No. 55. 
Perithecia more numerous, and not one-third the size of those of 
Dothidea circinata, K. & C., which it somewhat resembles. 
Rhystisma grewiae, Kalch. 
Epiphylla, piceo-atra, orbiculares, applanata. Cellulis circum- 
datis, convexis, fissurato-dehiscentibus. Ascis clavatis. Sporidiis 
sublanceolatis, hyalinis, continuis, binucleatis (*04 X ’007 mm.). 
On living leaves of Grewia occidentalis. JSo. 106. 
Astezina capensis, Kalch. dc Cke. 
Sparsa. Peritheciis orbicularibus, fuscis (*15 mm. diam.) 
mycelio fusco, radiante circumdatis. Ascis clavatis. Sporidiis 
ellipticis, uniseptatis, fuscis (*016 x ’006 mm.). 
On living leaves of Hippobromus alatus. No. 1328. 
The m}'celiuni is furnished with short uniseptate processes on 
each side, which are often opposite to each other. A few erect 
rigid setae are mixed with the perithecia. 
Astezina ezysiphoides, Kalch. d; Cke. 
Minima, gregaria. Erysiphis species simulans. Peritheciis 
applanatis, discoideis (*06-1 mm. diam), atrofuscis, membranaceis, 
radiato-cellulosis : mycelio tenui, ramoso, fusco, circumdatis. Spo- 
ridiis ellipticis, continuis, atrofuscis (•018-*02 X ’01 mm.). 
On leaves of Jasminum tortuosum. No. 1139. 
Astezina ditzicha, Kalch. ds Cke. 
Hypophylla, effusa, fuliginea. Mycelio radiante, ramoso, atro- 
fusco, processibus papillatis, gangliformibus ornatis. Hyphis ten- 
uioribus, ramosis, conidiiferis immixtis. Conidiis fusiformibus 
