[VOL. 



362 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



32. H. episphaeria (Schw.) Massee, Linn. Soc. Bot. Jour. 

 27:111. 1890; Cooke, Grevillea 20:11. 1891; Sacc. Syll. 

 Fung. 11 : 123. 1895. 



Thelephora episphaeria Schweinitz in Fries, Elenchus Fung. 

 1 : 225, 1828 ; Am. Phil. Soc. Trans. N. S. 4 : 169. 1832. 



Type: in Herb. Schweinitz, Kew Herb., and Curtis Herb. 



Fructification resupinate, effused, closely adnate, conform- 

 ing to the irregularities of the substratum, drying buckthorn- 

 brown to tawny olive ; in structure up to 90 n thick, with hyphae 



rigid, interwoven, 2-2| n in diameter, giv- 

 ing their color to the fructification; setae 

 Fig. 28 60-90x9-12 n, emerging up to 15 /i, cylin- 



H. episphaeria. dric, obtuse, starting directly from the 

 Section X 68. From dark, opaquc, delimiting zone next to the 

 ^^" substratum, as differentiated in perma- 



nent preparations which were treated with KHO solution and 

 stained with eosin; no spores found in type, but hyaline, even, 

 allantoid, 4-5x1-1-2 m in collections referred here. 



Fructifications 1-2 cm. broad, 2-5 cm. long. 



Under side of dead frondose limbs — type on Alnus and Dia- 

 trype stigma. Vermont to Pennsylvania and Illinois. 



H. episphaeria resembles H. arida and H. cinnamomea in 

 aspect, but is thinner, lacks a hyphal layer, and has its setae 

 starting from the substratum, or very near it, and extending 

 up through the hymenium. 



Specimens examined: 

 Vermont: Middlebury, G. G. Lloyd, 07221 (in Lloyd Herb., 



and in Mo. Bot. Gard. Herb., 55558). 

 Massachusetts: Weston, A. B. Seymour , T 19 (in Mo. Bot. 



Gard. Herb., 18358). 

 New York: Albany, G. G. Lloyd, 07120 (in Lloyd Herb., and in 



Mo. Bot. Gard. Herb., 55481 ) . 

 Pennsylvania: Bethlehem, Schweinitz, type (in Herb. Schwei- 



nitz, in Kew Herb., and in Curtis Herb.) ; Trexlertown, W, 



Herbst, comm. by Lloyd Herb., 3612. 

 Ohio: Cincinnati, A. P. <& L. V. Morgan, under the name H. 



insularis, comm. by U. S. Dept. Agr. Herb. 

 Illinois: River Forest, E. T.<& S. A. Harper, 742. 



