A] 



with !i slioi't. iilii'iiptly I'oiitnictfd hiiso. Sporidia l»is('riaU.', iiiirrow- 

 f'lli]iticiil or liroiKl-Ciisiloriii. u:raiiiil!ir, Iiviiliiic, lo-'J.') x (!-S ti. 



With IfarhncKxid ht/iiJi>i(i, K. A' K., which is pi'oltaltly its styh)s- 

 poi'ous st iLic On dry. (h'ad onlc h-avos {Q. cocrhicit) still hanu-iiiii' on 

 linihs cut ttll" last sciison, Xcwlichl, N. .1., .luiic, 188'). 



P. pluMiiopsis, (('. & K.) 



S/)i'i,n Id />/ii»iiii/>si!.. C. & !•;. Ort'V. VII, p. 41. 

 /firsa/dsfioiu filiiimopsi's, Sacc. Syll. 1704. 



Poritliccia uTCijarious. liittciicd. covcrcfl Ity the oiiidoi'iiiis. iiiciii- 

 hranaccous, l»i'o\\n, 100-120 n ditin. Asci ul)Ioin>' or c'iav.itc-oldoiin-. 

 sessile, roimdcil at tin' apex. "irj-.'^O x S-l(> /i. with riidiineiitnry ]»ar- 

 ajiliyses. Sporidia ovate-ohioiiLi' or siihiiavicidar, liyaliiie. 10-12 x .T n 

 (12-14 xn/i,Cke.) 



Oil (h'ad stems of Drsutodhn//. Newiiold, N. J. 



The sjioridia even in specc. that have lain in the herhariuni lor 

 ten or twelve yinirs, are mostly continiions, th<»ui>"h a I'rw wrw unisep- 

 tate. Some perithecia contain only stylo.-^pores {I*/toiiiit\ 10-1 o x 

 4—5 //. 



P. ei'iatici, (('. & E.) 



Splunia ritatha, C. & ]•;. (Irev. VI, p. 95, tab. ux), fig. 35. 

 Physalospnra, frraiica rtsicc. SyH. i6y6, Cke. Syii. 4091. 



Perithecia a-i-eu'arioMs, ij'lolMW-depres.sed. Iilack, at lenii'th ei'iim- 

 pont, often crowded. A,-;ci clavate. Sporidia l>iseriate, elliptical, 

 continuous, hyaline. ,<i;ranular within, 2()-2(» x 12-1.'> fi. 



On branches of liosd, Loiiiccni and on stems of SoUilar/o, New- 

 Held, X. J. 



P. oxystoma, Sacc. & Ell. Mich. II. p. 568. 



Exsicc. V.W. N. A. F. 7S4. 



Perithecia gre<>'arious and often 2-4 erumpont in a cluster to- 

 ii'cther, Itut not connatt;. izlohose-ovoid. minute, with a white nucleus. 

 Ostiolum acutely pajiillirorm. e.xserted. A.«ci oblong-clavate, sessile. 

 with a thick membrane, 70-80x15-17 n (!)0-100x 17-18 //, Sacc), 

 rounded at the apex and sui'i'oinided by jointed jiaraphysos. Sporidia 

 clavate-oblonii', crowdeil. yellowish-hyaline, continuous, 15-20x5 n. 



On dead culms ol" PhJcuiti prate 11 fic, Newlield, N. J., and on dead 

 culms of /*a??/c«//# Curtisii, in Ijouisiana. 



In tlio Louisiana specc. the perithecia arc cnnn]»ent in oI)lonif- 

 hysteriiform tufts :il»out 1 nun. lonu'. 5-8 jn'rithecia together, connected 

 i»y an imj)ei'fectly developed, suli|)ulverulent, l»lack stromi,. 



