Colletotrichum incarnatum, Zimm., has been recorded on 

 pods of cacao which were attacked by Phytophthora om- 

 nivora. 



Diagnosis : — Acervuli subcutaneous at first, then erum- 

 pent, "15 to '2 mm. long; setae scattered over the whole 

 of the acervulus, cylindrical or inflated at the base, 

 sparingly septate, black-brown, 85 by 4-5 microns; conidia 

 ovoid-oblong, hyaline, 14-19 by 5 microns, granulose within, 

 pink in mass. 



ZlMMERMANN: Centralb.f. Bakteriologie, Parasitenkunde 

 und Infektionskrank., Abt. II, Bd. VII, 1901, S. 143. 



Colletotrichum Theobromcs, Appel and Strunk, described 

 on fruits of cacao from Victoria. 



Diagnosis : —Spots black, gregarious, i-i"2 mm. diamr. ; 

 acervuli erumpent at margin of the spot ; setae filiform, 

 acute, multiseptate, black-brown, 60-75 by 3 microns ; 

 conidiophores short, thickened at the base, 10 microns 

 long ; conidia oblong, obtuse at both ends, straight ; 

 without guttules, 9-12 by 3-5 microns. 



Colletotrichum brachytrichum, Delacroix, on leaves of 

 cacao in Trinidad. 



Diagnosis. — Spots on upper side, broad, white or greyish, 

 with a brown margin, subcutaneous and then superficial, 

 about 130 microns broad; setae few, black-brown, without 

 septa, curved, 40 by 3-5 microns ; conidia hyaline, ovoid- 

 cylindrical, attenuated at the base, rounded at the apex, 

 I0-I3'5 by 3-3*75 microns; conidiophores short, 4 by 2 

 microns. 



Colletotrichum theobromicolum, Delacroix, also occurring 

 on fruits of cacao in the West Indies. 



Diagnosis. — Acervuli scarcely prominent, up to 1 mm. 

 broad, densely aggregated, rose at first, then yellow ; 

 conidia hyaline, finely granular, cylindrical, often slightly 

 attenuated at the base and rounded at the apex, straight or 

 slightly curved, 15-18 by 4-5 microns ; conidiophores more 

 slender, hyaline, 35-45 by 2 - 5~3 microns ; setae few, 

 black, with a single septum near the base, the inferior cell 

 hyaline and the superior cell dark-brown, 70 by 2'5 

 microns. 



Delacroix : " Champignons parasites de plantes culti- 

 vces dans les regions chaudes " ; Bull, de la Soc. Myc. de 

 France, Vol. XXI., p. 191, 1905. 



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