MONOGRAPH OF CHAETOMIUM AND ASCOTRICHA 233 
EXPLANATION OF PLATES 6-17 
Unless otherwise indicated all figures are drawn with the following magnifica- 
tions: perithecia X 47, lateral and terminal hairs X 180, asci X 390, spores X 390. 
PLATE 6 
CHAETOMIUM ELATUM Kunze & Schmidt 
Fic. т. Mature саки 
Fic. 2. Lateral hai 
Fic. 3. Terminal ae 
Fic. 4. Ascus. 
Fic. 5. Spores. (a) Young spores with oil globules; (5) mature spores seen in 
face view; (c) mature spore seen edgewise 
CHAETOMIUM TRIGONOSPORUM (Marchal) Chivers 
Fic. 6. Mature perithecium showing the relative size of the spore mass, Ж 25: 
Fic. 7.. аво репера 
Fic. 8. Latera 
FIG. о. PEERY vay 
Fic. 10. Asci а: variation in shape. 
Fic. іі. Spores. (a) Young spores with oil RES (b) mature spore seen in 
face view; (c) mature spores seen edgewise 
PLATE 7 
CHAETOMIUM INDICUM Corda 
Fic. і. Mature perithecium 
Fic. 2. Terminal hair мы the characteristic dichotomy and reflexed branches. 
Fic. 3. Distal жа of a terminal hair showing the encrustation of calcium 
oxalat 
FiG. 4. Terminal ге of a different character showing dichotomy and narrow 
acute angles. 
Fic. 5. Distal portion of the same hair at a much older stage when its surface 
has become encrusted with calcium oxalate. 
Fic. 6. Lateral hair. 
Fic. 7. Ascus. J 
Fic. 8. Spores. (а) Young spores with ой € (b) mature spores seen in 
face view; (c) mature spore seen edgewi 
CHAETOMIUM FUNICOLUM Cooke 
Fic. 9. Mature perithecium. 
FIG. ro. Mature perithecium with slightly greater magnification, 
ation in which the terminal hairs do not form a dense m 
i ІІ. Lateral hair. 
165. I2, 13. Terminal hairs showing dichoto : 
Fics. 14, 15. Distal portion of un inal d irs showing the encrustation “ 
calcium oxalate 
eas a vari- 
Fics. 16, 17. Asci 
Fics, 18, са _ Spores. (а) Young spores Ms oil globules; 
een ед 
(b) mature spores 
that the Ken is not constant. 
