South African Microthyriaceae. 
281 
Echidnodella Hypolepidis Doidge, sp. nov. 
Epiphyllum, effusum ; hyphis fuscis, pallidioribus, tenuibus, 2-3 ft crassis, 
tortuosis, dense ramosis, anastomosautibus ; hyphopodiis nullis. Thyrio- 
thecia congregata, recta v. curvata, nonnunquam bifurca, oblonga v. elliptica, 
120-240 X 50-100 /x, rima longitudinale dehiscentia, ex hyphis 3-3*5 fi cr. 
contexta. Asci (immaturi) octospori, aparaphysati, elliptici vel ovati, apice 
rotundati, 20-25 x 7-10 n. Sporae (maturae ex ascos visae) fuscae, hand 
V. obsolete constrictae, 10-14 x 3*5-4 loculo supero latiore. 
Hab. in pinnulis Hypolepidis s^arsisorae, George, 11/11/17, leg. Doidge, 
10930. 
Morenoella Oxyanthae Doidge, sp. nov. 
Hypophylla ; thyriothecia crustose denseque congregata, elongata, 
utrinque attenuata, saepe curvata, 400-600 x 250-300 fx, rima longitudinale 
irregulare dehiscentia. Mycelium radiatum, hyphis tenuibus, intertextis, 
ramosis, anastomosautibus, 3-3*5 cr., hyphopodiis minutis, alternis, giobosis. 
Asci aparaphysati, octospori, elliptici vel ovati, sessiles v. breviter pedicellati, 
apice valde incrassati. Sporae distichae v. conglobatae, ellipticae v. sub- 
clavatae, vix constrictae, uniseptatae, fuscae, 12-16 x 3*5-5 /i, loculo supero 
breviore et latiore. 
Hab. in foliis Oxyanthi Gerrardi, Kentani, leg. Pegler (Pegler,2321), 9073. 
Morenoina africana Doidge, sp. nov. 
Epiphyllum, mycelium evanescens. Thyriothecia sparsa, anguste ellip- 
tica, 120-400 X 65-100 fi, recta v. subcurvata, nonnunquam bifurca v. 
aliquantum sinuosa, rima longitudinale dehiscentia, ex hyphis 2*5-3 jx crassis 
contexta, margine breviter fimbriata. Asci (immaturi) aparaphysati, ellip- 
soidei v. clavati, breviter pedicellati, 23-27 x 10-12 fi, jodo non caerules- 
centes. Sporae (extra ascos visae), fuscae, obsolete constrictae, laeves, 
12-14 x 5-6*5 ju, loculis aequalibus. 
Hab. in pinnulis Dryopteridis inaequalis, Zwartkop, Natal, 19/7/18, leg. 
Doidge, 11605. 
EXPLANATION OF PLATES XIII— XIX. 
[All drawings were made with the camera lucida, and with the same magnification 
(Zeiss obj. D, No. 5 ocular).] 
FIG. 
1. Englerulaster Popowiae Doidge, n. sp. (a) Mycelium showing hyphopodia; (6) 
spores. 
2. Englerulaster orbicularis (B. & C.) v. Hohn. (a) Mycelium showing hyphopodia 
and incipient thyriothecium ; (6) immature and (c) mature spores ; (d) conidia. 
3. Parasterina implicata Doidge, n. sp. (a) Mycelium ; (b) spores. 
4. Parasterina hrachy stoma (Eehm.) Th. (a) Mycelium ; (b) spores. 
5. Parasterina rigida Doidge, n. sp. (a) Mycelium ; (b) spores. 
6. Asterina gihhosa G-aill. var. megathyria, n. var. (a) Mycelium with " node cells " ; 
(J) ascus ; (c) spores. 
