s)Miri'i|. 

 I low or 



01!) 



Sti'oiiiiifa jireuarioiis. !^iiliiiiiiiit(\ piinillol. irrcu'iiliu'. vai-ioiisly cdii- 

 lliiciit. Itlack. sliiiiinii'. at lirst fiiiootli, tlicii imiK'tate-ronjiliciicd liv tlic 

 ^•iililiroiniiuMit ostiola. Asi-igorous i-i'lls sci'iatc, luniiaU'. dojtiv.^sod- 

 iilolioso oi' (lat-liciuisplu'iical. lS(>-21(l /i lu'oad and alifuit 80 /i Iiiuli. 

 Asci olilonu'. slioi't-stijtitatc. S-sporcd. 70-7") x 1 ')-17 n. Sporidia 

 liisci'iatt', (iMoiiii-fiisoid. atti'iiiiatcd and rouiidi'd at the onds, and with 

 a slioit, siiltgloliosc. Iivalint' apprndajic. 3- (mrcly 5-) septate. 28- 

 a(» x 7 //. 



On dead stems oi' J*terff< mpdlinu. Center, N. V. (Peek). 



Tlie \. V. specc. liave (see. I'eck) sporidia 2.')-27i // lonti'. 



The sironiata are eovered liy the lilaekenetl epidermis whieh is 

 raised into elonjiated, variously eonliiient, lilaek hlotehes. We have 

 seen no Amerieaii specimens. 



Rh. clavisiMiMis, (('. & W) 



(Plate 28, flL's. fi-7) 



Dolhulea clinhfiout. C. iS: 1'. 2>)\\\ Kc]), X. Y. Stiili.' Mils. p. 6,?. 

 J half > i II in rlaii'ipoi iiiii. C. iS: 1". 2.Sth Rc]). p. fiy. 

 l.fpli>sl>lue>iu cUiTUiiifiii. K. it K. Joiini. Mycol. I, p. 43. 



StromaUi iniiate-erinnpent, narrow, oldonu' or elliptical . eontain- 

 inu 2-10 perithecia or olten linear-eloniiated, \-\ cm. lonu', jtartiidly 

 (■rumpent thronuii cracks in the epidermis whieh is I'aised into parallel 

 ridui's. I'eiitlieeia seriate. 1 ")0-200 /< diam. Ostiola oldnse, iiieon- 

 spicnons. Asci l>road, olilong'-cyiindrical. 7r)-100 x 22-2o //, olttnse. 

 with a short, nairow liase. Parajdiyses lilit'orm. Spori<lia ci'owded 

 in seveial series, elavate-oidong. slightly enrved. olitiis(> and rounded 

 aliove, narrowed rathei- al)ruptly lielow. 7-i>-septate, and when mature, 

 deep yi'Uow-lii'own. 2r)^Ox8-10 /<. only sliu'litly constricted at the 

 septa. Spcrmatia in sinnlar perithecia. olilonii-cylindrical. sliiiJitly 

 ciirvcd. hyaline, IJ-o x 1 ', n. 'I'iie licneral appearance is that ol' 

 SjilKcrhi ()rtli(K/roninni. 1>. A' (J. 



On dead culms. ol' /'/innptiif/'s lonnnimis. New Yoik (Peck). 

 Iowa ( Arthni'). 



'I'he as<ijii'rous cells assume the chaiacter ol' li'ue jiei'itliecia. at 

 least in the mature sjiecc. and are connate in a siniile .'series. The 

 -iilistaiu'e ol the scautv stroma is lirowu inside. 



OPHKUMUHIS. Sate. 



Syll. 11, p. f'52. 



Stroma contracted or lu'oadly elVused. somewhat llattened, irranu- 

 lose, lieeondnLf lilack, Asci eloiiiiated. 8-spored. Sporidia lililiirm, 

 continuous, livaline, sometimes multinucleate. 



