Ill' 



707 

 H. hiasceiis, Relim Asc. No. 314. 



Kxsicc. Rehni Asc. 314. — Rnb. F. K. 3564.— Kit. N. A. F. 151. 



SoattiTcd, suitorfifial, nan-ow-clliptical. liaidly over 1 nun. l<)n<>-. 

 liliR'k: lips incnrvcd, open so as to expose tlie narrow disk. Asei 

 clnvatc-oltlong, ohtusc, sulisessile, )»arapliysate, 8-s]iored, 100 x 20-25 //. 

 Sporidia ii'rejfularly ci'owded, oUIongelliptifal. mostly a little curved. 

 (i—S-sejitate, with a longitudinal sej)tuni <i(!iierally I'unning through all 

 the eells, 22-27 X 8-10 /i. 



On Itark of Querciif* hkolor and Celtfs ncchlcntalis, in Carolina, 

 on liiirk of Quercvs coccmea, Newfield. N. .1. 



Generally aeeoinpanied l»y Hyxteriiini piiJIcdrc, Pers. The a.«ei 

 and sporidia aie much like those o{ 11. Syringm, Sehw., hut the jteri- 

 theeia are rather largei- and more obtuse. Hysterlnm hiascens, li, k C. 

 (irev. IV. ]t. 11. is said to I)e dillerent and refcraltle to the Discomy- 

 cctefi. We have never seen it. 



** Pcritheciu dificoid ; sporkUa yeUoioish ( Psetidograp/i Ls). 



H. elsitina, (Ai'li.) 



Lichen elatiniis, Acharius Prodr. Lich. p. 22. 

 I^canota rlalhia, Acli. I.icli. I'liiv. p. 3S7. 

 /fyttii turn ilaliimm, Ters. Syn. p. 2S. 

 Psfiidogiaf)/!!! elalina, Nyl. Herb. Mus. Kcnii. p. 96. 

 Krempelhiibiria Cadiihn'ir. lla.s.s.il, Genoac. p. 15, No. 21. 

 Kxsicc. Rab. Herb. Mycol. 709.— Relini A.sc. 23. 



Peritheeia siregaiious, i-ound oi' irregulai-, nnnided-angular or 

 elongatetl-elliptieal. ol»tuse. at first sunk in the l»aik which is rai.-ed 

 into a j»ustule and then laciniat(>ly torn, suherumpent. closed at first, 

 then with an elongated or laciinate opening above and widely exposing 

 the reddish-yellow disk, rough, Idack, carbonaceous, 1-2 mm. across. 

 Asci cylindi'ical, 180-2r)0 x 1 ')-18 //, 8-spored. Sporidia uniseriate, 

 (iltlong-ovate, straight or slightly curved, 1-7-septate, and finally muri- 

 liirni, hyaline or yellowish, 21-30 x 10-14 /i. Var. crispwn, (Pers.). 

 rcjtorted by Schweiidt/, as found in Carolina and Pennsylvania, on 

 liark of pine trees, ditVers in having much longer and narrower, more 

 curved and flexuous peritheeia with thin, crisped lips and black disk. 



This genus and species is i>laced liy Dr. Rehin (Die Pilze) in the 

 Disromycetes, Fani. PKcudnphavidiea', where it evidently l)elongp: 

 liut as the species has hitlierto lieen classed among the ncystcrinea'. 

 and will (|uitc likely l>e sought for in that Fandly, we leave; it there 

 for the present. 



*** Sporidia hyaline (Gloniopsiif). 



H. rookeiamim, (ier. Hull. Torr. Hot. Club. V, p. 77. 



Peritheeia erumpent-superficial. black, not sti'iate. ine; -elon 



\S 



