709 



Perithecia linear, mostly lying parallel, straight or subflexuous. 

 flattened above, immersed in the wood with the flattened apex exposed 

 and slightly prominent ; lips incurved, leaving a narrow crevice or 

 furrow between them, 1J-2J mm. long. Asci clavate-oblong, 65-70 x 

 15 //, 8-spored, subsessile, overtopped by the abundant, filiform par- 

 aphyses. which are blackened and glued together at their tips. Spo- 

 ridia subbiseriate, ovate-elliptical or subc'avate, often a little curved. 

 5_7. se ptate and muriform, yellowish-hyaline, 20-22x8-10 //. Hys- 

 terium Verbasci, Schw. Syn. X. Am. 2093, has the sporidia a little 

 more attenuated below and the lips of the perithecia rather more dis- 

 tinctly closed, perhaps because the specc. are not as old. 



On weather-beaten wood, Carolina and Pennsylvania (Schw.). 

 Ohio (Morgan), on wood of Quercus and Persea, Texas and Florida 

 (Ravenel), on old stems of Verbascum Thapsus, Bethlehem, Pa. (Schw. |. 



Without a microscopical examination, the specc. of If. V-erbast-/ 

 and If. prcelongum, in Herb. Schw. can not readily be distinguished 

 from Ghifiiin r/iu><ir<>. Fr. It is doubtful whether H. Verbasci 

 should be scparati-d from If. prtcloiujum, even as a variety; it cer- 

 tainly can not In- specifically distinct. The specc. issued in N. A. F. 

 1321, as Hy*f<'i'inn lineolatum } ( 1 k< 1 .. are mostly Gloniella Curtis/'. 

 (Duby), \mtlf. lineolatum also occurs on several of them. 



H. Lonicera, (Phil. & Hark.) 



Hysterium Lonicerce, Phil. & Hark. Grev. XIII, p. 23. 

 Gloniopsis Lonicerce, Berl. & Vogl. Add. Sacc. Syll. I, p. 270. 



Scattered or gregarious, elliptical or oblong-lanceolate, 500- 

 1200 n long, parallel, subprominent, striate or smooth; lips subpromi- 

 nent, open at maturity. Asci cylindric-clavate, 8-spored. Sporidia 

 elliptical or subpyriform, muriform, hyaline, mostly with a gelatinous 

 coat, 20-30x7-11 //, with indistinct paraphyses. 



On decorticated branches of Lonicera, California (Harkness). 



H. iusi^nis, Cke. & Hark. Grev. XIV, p. 10. 



Perithecia gregarious, erumpent, oval or elliptical, |-1 mm. long, 

 black, subshining; lips closely approximated. Asci clavate, 8-spored. 

 Sporidia lanceolate, acuminate at the ends, constricted in the middle. 

 5-7-septate and muriform, hyaline, 20 x 10 /*. 



On wood of Acacia, California (Harkness). 



H. Smilacis, (Schw.) 



Hysterium Smilacis, Schw. Syn. Car. 241. Syn. N. Am. 2096. 

 Hypodevma Smilacis, Sacc. Syll. 5801. 

 Exsicc. Ell. & Evrht. N. A. F. 2dSer. 2375. Rehm Asc. 318. Thum. M. U. 662. 



Perithecia erumpent, surrounded at base by the ruptured epi- 



