48 PABASITES BELONGING TO THE GENUS GLOMEEELLA. 



be found. Transfers to flasks of corn meal made from one of the 

 above tubes passed through the same course of development and 

 produced peritheciumlike bodies. A few apparently immature asci 

 were found in some of these, but though kept about two months no 

 ascospores were ever seen. Other subcultures from this same series 

 continued to produce conidia and the dark peritheciumlike bodies, 

 but no mature asci were ever discovered. Chlamydospores of the 

 usual kind were present in great abundance in some of the cultures. 



Physalospora phormi Schrot. (72) as described from this host 

 agrees with Glomerella and is presumably the perithecial form of the 

 Gloeosporium from which our cultures were made. The conidia 

 varied from 9 to 15 by 4.5 to 5 ,u. 



Gloeosporium phomiforme Sacc. and Ell., also described from this 

 host is apparently a different organism, as the conidia are said to range 

 from 5 to 6 by 3 to 3.5 a. There seems little doubt that the species 

 grown by the writers should be referred to Glomerella cingulata 

 (Stonem.) S. and v. S., though no mature asci were seen. 



PIMENTA ACRIS (SWARTZ) KOSTEL. (WILD CLOVE). 



f Glomerella cingulata (Stonem.) S. and v. S. 



On January 19 leaves with small dead areas were taken from a green- 

 house plant, the surface sterilized as usual, and placed in a moist 

 chamber. Acervuli of the usual character of Gloeosporium soon de- 

 veloped on the leaves, and later a few immature perithecia with asci 

 were found, but the spores were not sufficiently developed for positive 

 identification. 



Cultures made from the conidia on these leaves produced a growth 

 of the usual character. Conidia were formed, but no acervuli appeared 

 until the cultures were nearly 3 weeks old. No setss were found. 

 Peritheciumlike bodies developed in the thickest sown plates, but no 

 ascospores were seen. The conidia ranged from 11 to 17 by 4 to 6 ji. 

 No fungus of this kind appears to have been reported on this host 

 heretofore. 



PIPER MACROPHYLLUM SWARTZ (PEPPERWORT) . 



fGlomerella cingulata (Stonem.) S. and v. S. 



On January 30 apparently normal, healthy leaves taken from a 

 greenhouse plant, after sterilization of the surfaces as usual, were 

 placed in a moist chamber. The leaves soon became discolored, and 

 on February 7 numerous acervuli were present. No perithecia were 

 ever found on these leaves. 



Slant agar tube cultures were made, using conidia from the leaves 

 in moist chamber. The growth was of the usual appearance of Glo- 

 merella cultures, and scattered acervuli with pink masses of conidia 



252 



