47" 



ear ijiiUJiI,,. 

 fVoui Flics" 



-Kclim Asc. 4"> 

 — kouin. H. C, 

 c. M. Veil, ijy, 



nn'ouiidiiio 

 ar 01' elli])- 

 aml, for tin 

 the cIoscK 

 disk or stcl- 

 lostly (I-IO) 

 diout I luiii 

 t, with tlit'ii 



till*" iiiai'yiii 

 niid ol)liti'r 

 [)1'0S.S0(1 just 

 lic,'ntiiiL>' tli( 

 -x 12-1.5 n 

 . Sj)oriiiiii 

 tiy cur veil 

 asci, 24-3(1 



'II, at least 



, oak, l)ass- 

 I ^funtana 

 'triuii; iron I 

 uklaiiihiir 

 lois. 



V. salicina, (Feis.) 



Sph<riitt su/iciiia, I'ers. Ohs. I, p. 64. 

 I'ti/sd su/ici/ia, I'r. Sminnn Veg. Scand. p. 412, 

 Kxsicc. Hckl. H. Kli. 614, 615. — Kz. I". Sul. 1.17, 34s.— Kchm Asc. S2.—'rhiini, M. U. 4(is, 

 Sfiy.— Cke. H. Brit. Sir. I, 377— H. Sa.x. 259, 432.— Koiiiii. F. G. 55^.— M. Marcli. 145 

 461, 1724.— Mil. F. IIiiUK. 173.— Kll. vSc Kvrht. N. A. H. 2(1 Ser. 1951. 



Stroiuata thickly seattercfl, deprossed-conical, truncate, siiuhtly 

 jiioiiiineut, i)Ustulirorni, closely covere<l liy the epidoriiiis, except the 

 small, whitish disk, ri'rithecia 6-12 in a stroma, circinatin^' in the 

 iiiicliaiiii'eil sulistance ol' the inner hark, with vciy short and slender 

 iK'cks ami minute, black, liloltose, jterioi'ated ostiola erunijient around 

 the maruin of the disk or irreu'ularly scattered over it, scarcely c.\- 

 serted. Asci narrow-olilony' or clavati;, 4-8-sporcd, 40-fir> x 7-8 it. 

 suhscssilo. Sporidia allantoid, hyaline, slightly curved, 12-18 x 2.}-4 ti 

 (ill the S-spored asci). 20-30 x o-7 fi ['m the 4-.spoi'C(l asci). 



On dead willow liiidis, Carolina and I'ennsylvania (Schw.). also 

 .New York, New Kiigland and Canada. 



V. (Uiihicns also occurs on Salix, Iiut i.« larncr throughout from 

 stroma to sporidia. 



V. soi'dida, Xits. Tyr. (Jerm. ]>. 203. 



I'li/ia (Icpliiiiala, Fckl. luuim. Fiiiitj. Nassov. p. 5,=;. 

 Kx.sicc. Syilow, M. March. 464.— Kehni Asc. 72cj.— Krxr. F. Sax. 173. 



Pustules numerous, thickly and evenly scattered, only slight! v 

 prominent, 2-3 mm. diam. I'erithecia G-12 together, suhcircinate in 

 the unaltered sulistance ol" the inner hark, globose or suhcoinprc.ssed. 

 medium size (\~\ nun.). Ostiola short, thick, rounded at the ajiex and 

 liiially with a rather narrow ])ore, orumiient mostly around the margin 

 (ila grayish, finally brownish, disk. Asci clavate, 40-45 x 8 ft (ji. sp.). 

 or including the sti])e-like base 50-fiO /i long. Sporidia subliiseriate. 

 cylindrical, hyaline, only slightly curved, 8-10x1^ // in the Iowa 

 specc, I)-l 1 X 1 J n in Krieger's sjiecc, and 10-12x 2 [i mostly in Rehiii 

 Asc. Spermatia 4-1 it, lioriie on long, slender liasidia and oozing out 

 in yellow cirrhi. 



On dead Populns, Jowa (liohvay). California (Harkness). 



Dillers from V. tiinhlann and V. salicina in its slenderer sporidia 

 and s])erniatia. 



V. boreella, Karst. Mycol. Fenn. Tl, p. 141. 



ICxsicc. Syilow, M. Marchica, 1S26.— Ell. ^i Evrlit. N. A. F. 2tl Ser. 2520. 



Perithecia 8-20 together, circiiiating in the unchanged substance 

 of the inner bark, sidiglobose, about I mm. diam., subdecumlient, necks 

 slender, converging. Ostiola obtuse, rounded, finally snblaciniatelv 



