South African Microtliyriaceae. 
2. Spores smootii. 
i. Spores 15-18 jx long . . . . h. A. tenuis. 
ii. Spores 18-24 /X long. 
X. Thyriothecia 130-150 ft diam. . 6. A. fimhriata. 
XX. Thyriotliecia 160-240 }x diam. . 7. A. reticulata. 
iii. Spores 30-34 /x long . . . . 8. J., uncinata. 
b. Hypliopodia 1- celled. 
1. Hypliopodia entire or with slight indenta- 
tions, not deeply lobed. 
i. Hypliopodia angular or sub-lobed . 9. A. delicata, 
ii. Hypliopodia finger- or flask-shaped, 
X. Spores smooth .... 10. A. Grewiae. 
XX. Spores minutely verrucose . . 11. A. Trichiliae. 
iii. Hypliopodia hemispherical or shortly 
and broadly cylindrical. 
X. Spores 15-18 fx long . . . 12. A. raripoda. 
XX. Spores 23-26 /x long. 
0. Thyriothecia dehiscing by a 
stellate fissure . . .13. A.ferruginosa^ 
00. Thyriothecia dehiscing by an 
irregular spherical rupture. 
/. Thyriothecia 225-280 /x 
diam., radiating liyphae 
straight . . . 14. A. rhamnicola.- 
II. Thyriothecia 150-200 /x 
diam., radiating liyphae 
tortuous . . . 15. A. Hendersoni. 
XXX. Spores 26-28 /x long . . 16. A. ojpaca. 
xxxx. Spores 35-40 /x long . . . 17. A. robusta. 
2. Hypliopodia lobed. 
i. Spores verrucose. 
X. Spores 20-23 x 10-12 /x . . 18. A. erysiphoides. 
XX. Spores 17-22 x 8-10 /x . ,19. A. Balansae var. 
afi'icana. 
XXX. Spores 23-27 x 12-13'5 /x . ,20. A. Excoecariae. 
ii. Spores smooth, 
X. Spores 13-15 /x long . . . 21. A. undulata. 
XX. Spores 16-20 [x long . . .22. A. jJolytJiyria. 
3. Asterina gibbosa Gaill. 
Bull. Soc. Myc. 1897, p. 180 ; Syll. Fung, xiv, p. 697 ; Die Gattung 
Asterina, p. 57, T. Iv, fig. 7, v, 3-4, vii, 29-30, viii, 3, Eabh. W.P.F. 
eur. 4054, Tuberao, Sta. Catliarina, South Brasil ; Balansa, Plantes 
