652 MEDICAL MYCOLOGY 



On glucose agar, 15°-20° C, colony circular, pale at first, floccose, then 

 covering the medium, rose with more or less white margin, ragged, then avel- 

 laneous ; not liquefying gelatin. 



ALLESOHERIA 



Allescheria Saccardo & Sydow, Syll. Fung. 14: 464, 1899. 



Eurotiopsis Costantin, Ann. Inst. Pasteur 11: 1-43, 1897, non Karsten, 

 1889. 



Eurotiella Lindau in Engler & Prantl, Die Naturl. Pflan^enfam. I, 1 : ** : 

 383, 1900. 



The type species is Eurotiopsis Gayoni Costantin. 



Perithecia spherical, minute, thin-walled ; asci spherical, ascospores ovoid, 

 pointed at the ends. Conidia in chains at the tips of sporophores but compressed 

 as in Cephalosporium. 



So far known only from a single case of mycetoma, with white grains. 



Allescheria Boydii Shear apud Boyd & Crutchfield, Amer. Jour. Trop. 

 Med. 1: 258-268, 1921 ; Mycologia 14: 242, Figs. 1-3, 1922. 



Isolated from the foot of a male negro farm laborer in Texas. Thorn in 

 foot near metatarsophalangeal articulation twelve years before. Thorn re- 

 moved and wound healed. Three months later patient felt a stinging pain in 

 the ankle, followed by swelling. At intervals soft openings appeared in the 

 side of the ankle which discharged pus and healed in a few weeks. Process 

 has not extended, remaining localized for many years and showing white 

 grains. Ankle swells when patient is on his feet long. 



Perithecia numerous, crowded, covering the surface of the medium, usu- 

 ally erumpent or subsuperficial, spherical, thin-walled, dark brown, astoma- 

 tous, 100-200/i in diameter; asci spherical or subspheric, thin-walled, evanes- 

 cent at maturity, 10-20/x in diameter ; no paraphyses ; ascospores 8, spherical to 

 subspheric or somewhat ovoid, continuous, smooth, pale yellowish brown when 

 mature, spherical form about 7/* in diameter, other mostly 5.5-7 x 4-4.5/a. 



Pycnidia wanting or unknown. 



Cephalosporium Boydii, byssoid, thin, floccose, white at first, soon gray, 

 margin radiate-fimbriate, later changing to pale greenish ochraceous as sporu- 

 lation begins, fertile hyphae much branched, spreading, conidia adhering in 

 small or large subspheric masses, continuous, subspheric to oblong ellipsoid, 

 very variable in size and shape, hyaline at first, becoming pale, yellowish 

 brown when old, smooth, 8-15 x 4-7.5//,, mostly 10-12 x 5-6/jl. 



Coremia (Dendrostilhella Boydii) with dark brown synnema very variable 

 in height and thickness, 200-300/* or more high, head subspheric ; conidiophore 

 alternately branching, ultimate branches once or twice the length of the 

 conidia; conidia practically the same size, shape, and color as in the byssoid 

 condition and adhering in a globular mass after abstriction. 



Organism was cultivated from granules on plain, Sabouraud, Huntoon, 

 and glucose agar. No bacteria found. Huntoon 's agar is best. In 14 days, 



