544 MEDICAL. MTCOLOGT 



Microsporuin xanthodes Fisher, Derm. Woch. 66: 241-247, 3 jigs., 1918. 



Sahouraudites (Aleurocloster) xanthodes Ota & Langeron, Ann. Parasitol. 

 Hum. Comp. 1: 328, 1923. 



Producing deep-seated sycosis in beard of an artillery man, Germany. 



Closterospores abundant, 4-8-celled ; aleurospores lateral ; racquet myce- 

 lium and chlamydospores occasional. 



Growth rapid, bright yellow, dull, flat colony with granular surface and 

 marginal rays becoming 8 cm. in 3 weeks ; pleomorphic colony white, 8.5 cm. 

 in diameter in 3 weeks, margin wavy, surface with shallow, concentric yellow- 

 ish furrows. On peptone agar, growth rapid, yellowish white with smooth 

 concentric zones and no rays. On potato, dull whitish, with a flatter marginal 



zone. On Griitz agar, colony resembles that of Achorion gypseum (see p. ?, 



Bruhns & Alexander 1928). 



Microsporum lanuginosum Muijs, Nederl. Tijdschr. Geneesk. 62: 1497- 

 1509, 5 figs., 1918. 



Producing typical tinea capitis microsporica in Holland. Not inoculable 

 to guinea pig. 



Racquet mycelium hyphae undulate, often in knots suggesting nodular 

 organs. Chlamydospores present. Aleurospores and denticulate hyphae also 

 present. 



Colony gray white, flat, zonate. On potato, colony brownish red. Some 

 pleomorphism on Sabouraud and glucose agar. 



Microsporxim tomentosum Pelagatti in Sabouraud, Maladies du cuir 

 chevelu 3: 241, 1910. 



Microsporum sp. Pelagatti, Giorn. Ital. Mai. Ven. Pelle 51: 254, 255, 1910 



Producing tinea tonsurans microsporica, originally reported from Sassari 

 Sardinia, and later from Sicily. 



Closterospores pluriseptate, abundant; occasionally aleurospores, clavate 

 hyphal tips and chlamydospores present. 



Colony having a polygonal umbilicus with a tiny umbo in the middle, 

 white, surface lanuginous, with a slight orange or greenish tinge ; divided into 

 sectors, 6 cm. in diameter in 25 days. 



Microsponmi pubescens Sabouraud, Maladies du cuir chevelu 3: 243-245, 

 1910. 



Sahouraudites puhescens Ota & Langeron, Ann. Parasitol. Hum. Comp. 

 1: 328, 1923. 



Closterosporia puhescens, Grigorakis, Ann. Sci. Nat. Bot. X, 7: 415, 1925. 



Microsporum {Closterosporia) puhescens Guiart & Grigorakis, Lyon Med. 

 141: 377, 1928. 



Producing tinea tonsurans microsporica on a child from New York City 

 in France. Original case was of long standing and showed no inflammation. 

 Also reported from Genoa and Rome, Italy. On guinea pig, lesion develops 

 promptly in 10 days, then heals very slowly, hair falling in 55 days. 



I 



