706 



or ol)long, 1-2^ X ^-.f mm. l)lat'k, not striate: lips incurved, nfiulv 

 closed at lirst, becomin<>; Hnally more or loss open so as often to expose 

 the narrow-lanceolate, Idack or slate-coloied disk, jrenerally nioic or 

 less distinctly transversely wrinkled. Asci clavate-olilonu, slioi't-stipi- 

 tatc, 100-1 1 15 X 30-3o ji (p. sj).), pai-apliysate, 8-spored. Sporidjn 

 biseriate, broad-tusoid, nniseptate and constricted in tlie middle, then 

 multi- (12-ir)-j septate, and murifonn, olive-brown, slightly ciirveil. 

 50-GOx 10-12 /i. 



On dead limbs of Salix lasiolepis and Ceanothns, Californiii 

 (Ilarkness). 



The asci and sporidia do not differ from those of//, rulvatimi. 

 Scliw., unless the sporidia may l>e a little narrow<'r. but th'.- jteritliccin 

 are more ojien and not striate. //. Ccaiiot/ii, Phil. A' Hark. {>vv. 

 specc. from Ilarkness) does not ditfei- in any way from II. prominent. 

 Both are erumpeiit-su])erncial, with the tlisk fnially more or less 

 exposed, and the asci and sporidia are the same. Proliably liotli 

 should be considered mere varr. oi II. vulvatum, Schw. 



H. st.<'giuiii, (Cke.) 



f/ystfiiiiiii shxiiii ', Cke. Grev. XI, p. 107. 

 Hyslfiofii aphiiim siygiiaii, Sacc. Syll, S775, 



Superficial, scattered. Pc'ritliecia lanceolate, i)laek. sliiniini', 

 smooth, |-1 mm. lonjr. Asci clavate. Sjxtiidia elliptical or ovati'. 

 multisei)tate-nniriform. dark l»rown, 30 x 13 /i. 



On bark of oak, North America. 



We know nothing- of this beyond the above bi-ief diagnosis from 

 Grcvillea. 



H. eloiij;.\tum, (Walil.) 



Hysterium floiigatuw, Wahl. Hlor. I.app. p. 52S. 

 Hyslfn>c;)a/>hiiim elongaliim, Ciia. Icoiies, V, p. 77, tab. IX, fig. 62. 

 Ex.sicc. Fckl. F. Rh. 1754.— Tlium. M. U. 1S62. 



Perithecia gregarious, seated on the dark-colored, decortical('(l 

 surface of the wood, oltlong or oblong elliptical, straight, seldom some- 

 what curved, ol)tuse, prominent, mostly smooth, deifply cleft; lips 

 nearly closed, black, carl lonaceous, 2-4 x 1 mm. Asci clavate, thick- 

 walled, 120-150x25 [i. S-spored, with i)arai»hyses branched above 

 and forming a thick, brown layer (epitheciinn) above the asci. Spo- 

 ridia itiseriate, oldong-elliptical, obtns(,', sehlom somewhat constricti'd 

 in the middle, hyaline, liecoming lirown, !)-ll-septate, with a longi- 

 tudinal septum, 30-40 X 12-15 ii. 



On wood, Carolina and Pennsylvania (."^chw.). 



The specc. of this species in Ilerl). Schw. are without fruit. Tin' 

 diagnosis is from Kehm (in Die Pilze). 



