South African Microtliyriaceae. 
271 
of hypliae3-3"5 jx thick, with cells 3-5-5 fx long. Asci (immature) 8-spored, 
aparaphvsate, elliptic-ovate, sessile, rounded at the apex, 20-25 x 7-10 /x. 
Mature spores only seen outside the ascus, 1-septate, fuscous, 10-14 x 
3*5-5 IX, upper cell broader and more broadly rounded. 
On pinnules of Hypolepis sparsisora, Woodville Forest, G-eorge, 11/11/17, 
Doidge, 10930. 
Amazonia Theiss. 
Ann. Myc. ii (1913), 499. 
Thyriothecia superficial, dimidiate, scutate, formed of radiating hyphae. 
Asci aparaphysate. Spores 4-septate, brown. Mycelium hyphopodiate. 
Amazonia asterinoides (Wint.) Th. 
Ann. Myc. ii (1913), 499 ; and 15 (1917), 421. 
Meliola asterinoides Wint., G-aill. Le Grenre Meliola, p. 58. 
Meliolaster Machenzii Doidge, Trans. Roy. Soc. of S. Af. viii (1918), 
p. 122. 
Plate XYIII, fig. 42. Slides XLIII, 8-10. 
Mostly hypophyllous, less frequently epiphyllous or on the stems, 
forming minute round spots l"5-2'5 mm. diam. Mycelium brown, radiating, 
hyphae flexuous or almost straight, 6-7 /x thick ; branches alternate, cells 
15-6 /X long ; capitate bypliopodia alternate or unilateral, briefly stipitate, 
curved, 10-15 x 6-7 fx, terminal cell sub-globose, convex ; mucronate hypho- 
podia ampulliform, scattered amongst the capitate hyphopodia, neck some- 
times sub-uncinate, 12-15 x 6-7 jx. Thyriothecia gregarious in small 
groups, flattened-hemispherical or angular by compression, 250-350 fx diam., 
radiating hyphae straight, 4-6 /x thick, cells about 10 jx long, margin densely 
fimbriate. Asci aparaphysate, evanescent, ellipsoid, 2-spored, 50-57 x 
20-23 /i. Spores cylindrical-compressed or sub-clavate, 4-septate, rounded 
at both ends, slightly constricted, 33-37 x 10-13*5 /x. 
On Fiper capensis, Buccleuch, JSTatal, 17/8/18, Doidge, 11570. 
Host Index 
(According to Oenera and Families), 
Abbreviations: — A. = Asterina ; Ala. = Asterinella ; E. = Englerulaster ; L. = 
Lemhosia ; M. = Morenoella ; JJna. = Morenoina ; Am. — Amazonia; Mic. = Micro- 
thyrium ; S. = Seynesia; P. = P ar asterina ; Ech. = Echidnodes ; Echla. = Echidnodella. 
Acanthaceae . 
cfr. Dicliptera. 
Hypoestes. 
Isoglossa. 
Peristrophe. 
Sclerochiton. 
Acalypha 
A. fimhriata. 
A. tertia var. 
ft/ricana. 
A. te^iuis. 
Acokanthera . 
Alberta . , 
Anacardiaceae 
c/r. E-hus. 
Anonaceae 
cfr. Popowia. 
Ala. Acolcantherae. 
A. gibhosa var. 
megathyria 
A. Peglerae. 
Ech. Rhoina. 
E. Popowiae. 
