South African Microthyriaceae. 
277 
Asterina rhamnicola Doidge, sp. nov. 
Mycelium epipliyllum, tenue ; liyphis rectis, brunneis, 6-7 /x crassis^ 
alterne ramosis, cellulis 25-30 /x long. ; liypliopodiis alternis, continuis^ 
cylindraceis v. hemisphaericis, 6-10 fx altis, 6-7 /x latis. Thyriothecia pauca, 
sparsa, conico-hemispliaerica, quam mycelium pallidiores, 225-280 /x diam.^ 
ex hyphis rectis, 3-5 /x cr. contexta, margine haud fimbriata, medio irregu- 
lariter dehiscentia. Asci aparaphysati, late ellipsoidei vel ovati, octospori, 
45-50 X 23-33 fx. Sporae f uscae, obsolete constrictae, laeves, 23-25 x 9-10 
loculo supero majore. 
Hab. in foliis Ehamni pri7ioides, Woodbush, Transvaal, 4/8/11, leg. 
Doidge, 1752. 
Parasterina rigida Doidge, sp. nov. 
Mycelium epipliyllum, hyphis brunneis, 5-6 crassis, alterne ramosisy 
anastomosaiitibus, cellulis 16-20 fi long ; hyphopodiis numerosis, plerunique 
oppositis, contiiiuis, lieniisphaericis vel ovatis, 6-8 altis, 5-6 ft latis. Thyrio- 
thecia congregata, applanato-hemisphaerica, 250-400/i diam.,ex hyphis rectis, 
5 fi crassis contexta, medio irregulariter dehiscentia. Asci paraphysati, late 
ellipsoidei vel ovati, 60-75 x 30-40 fi, tuiiicati, apice poro pertusi ; para- 
physibus filiformis, apicibus incrassatis. Sporae fuscae, uiiiseptatae, con- 
strictae, laeves, 27-33 x 13-15 [x, loculo supero majore. 
Hab. in foliis Oncinotis inandensis, Buccleuch, Natal, 11/5/16, leg. 
Doidge, 9722. 
Asterina robusta Doidge, sp. nov. 
Mycelium epipliyllum, atro-brunneum ; hyphis torulosis, 6-7 ^ cr., 
cellulis circ. 20 ^ long., alterne vel opposite ramosis ; hyphopodiis uni- 
lateralibus vel alternis, coiitinuis, sub-hemisphaericis, 6-6 5 x 6'5-7 /a. 
Thyriothecia applanato-hemisphaerica, opaca, atro-brunnea, ex hyphis rectis 
circ. 5 /ti cr. contexta, medio irregulariter dehiscentia. Asci aparaphysati,. 
octospori, 65-75 x 45-55 /x, muco viridulo iiivoluti. Sporae atro-brunneae,. 
uniseptatae, constrictae, 35-40 x 18-20 jw, loculis globosis, supero parum 
latiore. 
Hab. in foliis Pittospori viridiflori, Mossel Bay, 22/7/15, leg. Pole- 
Evans, 9066. 
Asterina tertia Rac. 
var. africana Doidge, var. nov. 
A typo differt sporis angustioribus ; sporis 15-18 x 6"5-8 /x. Hab. in 
foliis Isoglossae Woodii, Zoutpansberg, 14/8/11, leg. Doidge, 1791. 
Asterina Trichiliae Doidge, sp. nov. 
Mycelium epiphyllum ; hyphis brunneis, rectis, 4-6 /x crassis, opposite 
ramosis ; hyphopodiis oppositis, rare alternis, cylindraceis v. pyriformis, 
contiiiuis, 6-10 /x altis, 4-5 /x latis. Thyriothecia sparsa, applanato-hemi- 
sphaerica, opaca, ex hyphis rectis, 3-3"5/x crassis contexta, margine fimbriata,. 
