236 MONOGRAPH OF CHAETOMIUM AND ASCOTRICHA 
CHAETOMIUM SPHAERALE Chivers 
Fic. 18. Mature peritheciu 
Fic. 19. Mature Een showing the relative size of the spore mass, о. 
Fic. 20. Lateralhairs. (а) Short and sinuous; (b) somewhat longer, nearly straight 
and unbranched; (c) still longer and branched. 
Fic. 21. Terminal hair. 
Fic. 22. Ascus. 
FIG. 23. ie (a) Young spores with oil globules; (b) mature spores seen in 
face view; (c) seen edgewise 
PLATE І2 
CHAETOMIUM ATERRIMUM Ellis & Everhart 
Fic. 1. Mature perithecium. 
Fic. 2. Lateral hair. 
Fic. 3. Terminal hair. 
Fic. 4. Spores. (a) Mature spores seen in face view; (b) mature spore seen edge- 
wise. 
CHAETOMIUM SPIRALE Zopf 
Fic. б. Mature perithecium. 
6. Terminal hai 
Fic. 7. Lateral hair. 
Fic. 8. Spores. (a) Mature spores seen in face view; (b) mature spore seen edge- 
wise 
PLATE 13 
CHAETOMIUM BOSTRYCHODES Zopf 
Fics. І, 2, 3. Mature perithecia showing the characteristic variation. 
Fic. 4. Terminal hair, branched and irregularly convolute. 
Fic. 5. Terminal hair, regularly spirally coiled. 
Fic. 6. Terminal hair, branched and regularly spirally coiled with ten coils. 
Fic. 7. Portion of a terminal hair showing the encrustation of calcium oxalate. 
Fics. 8,9, 10. Asci, showing different stages of development. 
Fic. 11. Spores. (а) Mature spores seen in face view paris a characteristic 
: r tive area at each end; (b) mature spores seen edgewise. 
CHAETOMIUM SUBSPIRALE Chivers 
Fic. 12. Mature perithecium 
Fic. 13. Mature Байдалы showing the relative size of the spore mass, Х 15. 
Lateral hair. 
cus. 
Fic. 17. Spores. (а) Young spores with oil globules; (5) mature spores seen in 
face view; (c) seen edgewise. 
CHAETOMIUM CAPRINUM Bainier 
Fic. 18. Mature perithecium 
Fics. 19, 20. Terminal hairs "i branches. 
Fic. 22. iid (a) Young spore with oil globules; (5) mature spores seen іп 
е іт egenen : 
