f){>7 



in pseudostipitem coiitractUi"). Dul»y (1. c.) speaks ol" a spec, fi-oni 

 Her)>. Hookei", labeled H. insidens, Klotszcli, and which he doubtfully 

 refei-s to his^. complanatitm, as having- sporidia 3-6-celled, fre(|uently 

 with one cell (the 2d or 3d) swollen, just as in the specc. of //. tntri- 

 (Je7is in Herl). 8chw. 



H. lineariforme, Sacc. Syll. II, p. 651. 



Hysteriuni liiicate. Berk. N. Am. Fuugi in Grcv. IV, p. ii. 



With the habit of Glonium Uneare, (Fr.), Itut si)oridia fusi- 

 form, strongly constricted in the middle, 37-50 /t long, multiseptate. 

 (colored.) ? 



On wood of Qiiercus, Gleditschia, and Taxodiian, Carolina 

 (Ravenel), on dead wood. New England (Russell). 



H. fiisiger, B. & C. Grev. lY, p. II. 



Elongated, flexuous, lying in various directions. Sporidia fusi- 

 form, with about 8 septa, sometimes strongly curved, 25 // long. Re- 

 soml)ling somewhat MytiUdion tortile, and Glonium grajihicum, but 

 with veiy different sporidia. 



Nothing is said of the color of the sporidia in this and tlie pre- 

 ceding species. 



H. Pi'ostii, Diiby, Hyst. p. 2G. 



Opegrapha Prostii, Nyl. Prodr. I,ich. p. 154. 

 Hysterium lineare, var. corticdia, Fr. Elencli. II, p. 140. 

 Hysterium If'alliothii, Duby, Hyst. p. 25, tab. I, fig. 5. 

 Hysteropalella Prosiii, Rhem in Rab. Krypt. Flor. Ill, p. 367. 

 Exsicc. Rehm A.sc. 75. — Kze. F. Sel. 27S.— Rab. F. E. 748, 1921.— Sydow, M. March. 2425. 

 RIl. N. A. F. 461.— Rehra Asc. 75. 



Innate, at length emergent, scattered or aggregated (hardly 

 crowded), narrow-ellii)tlcal, acute, thin, membranaceo-carbonaceous, 

 black, brittle; lips at first incurved, then open, exposing the slaty- 

 lilack, narrow-elliptical disk, so as to resen\ble in the fresh state a 

 sessile Peziza, small (about 1 mm. long or less). Asci clavate, 70-75 

 X 10-12 /i. Paraphyses not abundant. Sporidia biseriate, oblong, 

 straight or curved, pale brown, 3-septate, 12-16 x4-5 //. 



On maple bark, Newfiold, N. J., on bark of Pyrus coronaria. 

 Iowa (Ilolway), Missouri (Denietrio), on bark, Illinois (Seymour,) on 

 inner surface of willow bark, Ohio (Morgan), on l)ark of elm? New 

 Vork (Fairman.) Specc. from Wasln'ngton (Suksdorf) on bare wood, 

 i^eem to be this species, but have the sporidia larger, 15-22x6-7 /z, 

 and may be diiferent. 

 88 



*,i 



