[Vol. 



184 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Illustrations : Patouillard, Rev. Myc. 12. pi. 107 his, f. 5a, 

 d; Pierce, Torr. Bot. Club Bui. 17 : pi, 110. f. a-i; v. Hohn. & 

 Litsch. K. Akad. Wiss. Wien Sitzungsber. 116 : pi, 3, f, 1, 



Type : type distribution in Ravenel, Fungi Car. 3 : 32. 



Fructifications disk-shaped, pezizaeform, scattered or con- 

 fluent, somewhat fleshy, drying coriaceous, attached by the 



Fig. 3. A. Oakesii. Immature basidium, 6; flexuous 

 paraphyses, f ; moniliform paraphyses, m, some with 

 whorl-like clusters of lateral, bottle-brush prongs; spores, 

 8. X870. 



center, the margin free, elevated, incurved, whitish and tomen- 

 tose on the under side ; hymenium concave, pulverulent, dry- 

 ing avellaneous ; in structure about 600 /x thick, composed of 

 hyaline hyphae 3-3^ /x in diameter, rather thick-walled, some- 

 times granule-incrusted, longitudinally arranged and inter- 

 woven next to the substratum, curving outward to bear the 

 hymenium, consisting of basidia and filiform paraphyses with 



