238 MONOGRAPH OF CHAETOMIUM AND ASCOTRICHA 
CHAETOMIUM ANGUSTUM Chivers 
Fic. 6. Mature perithec 
Ре. A A straight rg hair. For convenience the hair is figured in two 
Fic. 8 A Mines terminal hair spirally coiled near its tip. 
Fic. 9. А stout terminal hair spirally coiled near its tip. 
Fic. 10. Ап irregularly convolute terminal hair with a branch. For convenience 
the hair is figured in two parts 
cus. 
Fic. 12. Spores. (а) Young spores with oil globules; (b) and (c) mature spores 
seen in face view; (d) seen edgewise. 
PLATE 17 
ASCOTRICHA CHARTARUM Berkeley 
Fic. 1. Mature perithecium. 
Fic. 2. A perithecium developing from the GASE itae strand, X I5.. 
Fic. 3. Terminal hair, showing its ampullate swellin 
Fic. 4. Terminal hair of slightly different а 
Fic. 5. Conidiophore with its clusters of conidia, X 180. 
Fic. 6. A portion of a conidiophore under greater magnification, Х 390. 
Fic. 7. А small portion of а conidiophore with four conidia, X 390. 
IG: 8. Conidia, X 390. 
Fic. 9. Се developing from the оа mycelial strand, Х 25. 
І. DH 
Fic. 12. Spores. (а) Seen in face view; (5) seen edgewise showing their girdle. 
ASCOTRICHA PUSILLA (Ellis & Everhart) Chivers 
Fic. 13. Mature perithecium 
Fics. 14, 15. Terminal hairs жены their ampullate swellings. 
Fic. 16. Conidiophore with its cluster of conidia, Х 180 
Fic. 17. Conidiophore of а slightly different character, Х т 
Fic. 18. А portion of a МОТА under greater оман Ч Х 780. 
Fic. 19. Conidia, X 300 
Fic. 20. Ascus. 
Fic. 21. Spores. (а) and (6) seen in face view; (c) edgewise. 
