PI NOVELLA 



1023 



cultivated only on one occasion, the cultures being apparently 

 similar to those of E. indicum. It is the cause of tinea 

 intersecta. 



Endodermophyton concentricum Blanchard, 1901. 

 Cultures on glucose agar are at first amber colour, but after four to eight 

 weeks become jet-black and covered with abundant duvet, 



Endodermophyton mansoni Castellani, 1914. 

 Portions of the growth are black from the very first, scanty duvet. 



Genus Pinoyella Castellani and Chalmers, 1908. 



Definition. — Trichophytonese with mycelial filaments and spores 

 in the lesions, and in cultures conidial-bearing hjrphse, with the spores 

 situate laterally only. 



Type and only Species. — Pinoyella simii {Pinoy, 191 1) ; Epider- 

 mophyton simii Pinoy, 191 1. 



Discovered by Pinoy in a trichophytic-like eruption observed 

 in a monkey. On Sabouraud's agar the growth is at first yellowish- 

 orange, somewhat similar to Epidermophyton cruris; later, the 

 growth is whitish and covered with white duvet. 



Pinoy's fungus has several interesting botanical features, some 

 of which are those of the genera Microsporon and Trichophyton. 

 In contrast to the typical Epidermophytons, it presents spore- 

 bearing hyphae with lateral conidia, and is inoculable into guinea- 

 pigs, in which it produces a trichophytic-like eruption. 



Genus Montoyella Castellani, 1907. 



Definition.— Trichophytoneae with mycelial filaments and spores 

 in the lesions, in cultures conidial-bearing hyphae with only terminal 

 spores. 



Remarks.— Temporary genus. Two kinds of mycelial threads: 

 some slender, ramified, septate; others much thicker, having 

 numerous intermediate chlamydospores. From the thicker fila- 

 ments delicate hyphae take origin, which terminate in large pear- 

 shaped or globular conidia. 



Type Species. — -Montoyella nigra Castellani, 1907. 



Classification. — There are two species, which may be differentiated 

 as follows : — 



A. Cultures black — Nigra. 



B. Cultures whitish or greenish — Bodini. 



Montoyella nigra Castellani, 1907. 



Temporary species. Colonies on maltose agar are black. If 

 glycerine agar is used, the medium takes a black colour. This 

 species, discovered by Montoya, is common in black pinta. 



Montoyella bodini Castellani, 1907. 

 Temporary species. Colonies whitish or greenish. 



