South African Microtliyriaceae. 
255 
On leaves of Cussonia umhellifera, Woodbusli, Zoutpansberg Dist., 
3/8/11, Doidge, 1774. 
On Cussonia spicata, Sea View, Durban, 1/10/17, v. d. Bijl, 11360. 
14. Asterina rhamnicola Doidge, sp. nov. 
Plate XV, fig. 19. Slides X, 14-18 ; XXXIII, 3. 
Epiphyllous, forming thin, carbonaceous, more or less orbicular, spots 
up to 5 mm. diam. Mycelium delicate, radiating ; bypliae straight, brown, 
6-7 thick ; branches alternate or opposite, anastomosing ; cells mostly 
25-30 /X long ; hyphopodia alternate or unilateral, sessile, shortly and 
broadly cylindrical or sub-hemispherical, 6-10 x 6-7 fj.. Thyriothecia not 
numerous, scattered, conico-hemispherical, paler than the mycelium, 225- 
280 // diam., formed of radiating hyphae 8-5 [x thick ; margin not fimbriate ; 
dehiscence by the irregular rupture of the central cells. Asci aparaphysate, 
broadly elliptic to ovate, 8-spored, 45-50 x 23-33 fi. Spores conglobate, 
1-septate, fuscous, slightly constricted, 23-25 x 9-12 /x, upper loculus 
larger. 
On leaves of UTiamntis prinoides, Woodbusli, Zoutpansberg, 4/8/11, 
Doidge, 1752; Kentani, 10/4/15, Pegler (Pegler, 2315), 9068; Brander's 
High Forest, Victoria East, 12/8/15, v. d. Bijl, 9463. 
15. Asterina Hendersoni Doidge, sp. nov. 
Plate XV, fig. 20. Slides XLVII, 16-17. 
Amphigenous, forming black spots up to 3 mm. diam. Mycelium 
brown, branching irregularly and anastomosing. Hyphae 5-6 /x thick, 
tortuous, sub-torulose, very frequently septate, cells 6-8 /x long ; hypho- 
podia hemispherical, or somewhat angular or flattened, alternate, 3*5-6 /x 
•diam. Thyriothecia flattened-heniispherical, scattered, 150-200 /x diam., 
formed of rather tortuous, radiating hyphae about o'5 thick ; margin 
•coarsely fimbriate ; dehiscence by an irregular rupture of the central cells. 
Asci aparaphysate, 8-spored, broadly ellipsoid to ovate, sessile or very 
briefly pedicellate, 45-50 x 26-33 /x, do not stain blue with iodine. Spores 
brown, 1-septate, constricted, 23-25 /x long ; each cell sub-globose ; upper 
loculus 13-13*5 fx broad, lower loculus 10-11 /x broad. Pycnidia similar to 
the thyriothecia but smaller, 120-150 /x diam, ; conidia brown with a medial 
hyaline band, ovate to ellipsoid, 23-27 X 10-13 /x. 
On leaves of Ilex capensis, Hogg's Back, 15/1/18, J. & M. Henderson, 
11341, 11342. 
16. Asterina opaca Syd. 
Ann. Myc. x, p. 38 ; Die G-attung Asterina, p. 113. 
Plate XV, fig. 21. Slides XXIII, 12 ; XLII, 9. 
Epiphyllous, forming black, orbicular spots 1-3 mm. diam. Hyphae 
