MISCELLANEOUS PUNGI IMPERFECTI 



833 



similar in structure but decreasing in size. More slender branches often pro- 

 duce chains of nearly spherical spores, about 2/x in diameter. Tips of other 

 branches bear groups of swollen flask-shaped cells which, in turn, bear slender 

 chains suggesting phialides, but probably this resemblance is superficial. 



PHIALOPHOREAE 



Conidia borne on short, rounded phialides, clinging together in a gel, my- 

 celium and conidia dark colored, mouth of the phialide dilated. 



At present, only the genus Phialophora is known with the characters of 

 the order. 



Fig. 129. — Phialophora vei-rucosa Thaxter in Medlar. A, habit sketch showing hypha 

 with conidiophores and gelifled masses of conidia; B, detail of conidiophores ; C, conidia. (A, 

 after Medlar; B and C, after Thaxter in Medlar 1915.) 



Phialophora verrucosa Thaxter in Medlar, Mycologia 7: 200-203, 1915; 

 Jour. Med. Res. 32: 507-521, Pis. 29-33, 1915. 



Isolated from a small tumor in the skin of the buttocks of an Italian in 

 Boston, Massachusetts. Tumor measured 2.5 x 2 cm., was purplish color, ele- 

 vated 3 mm. above the surface of the skin, soft but not tender, with an irregu- 

 larly papular surface showing a few grayish scales. From the crater could be 

 expressed a grayish, somewhat cheesy substance, with which was mixed a 

 little blood. 



