i)V IcsH protiilipi'iuit, piiHtiililorni closoly covered l»y the ndl. lit epi- 

 ■ Iriiiiis. disk reddish or liriek-eol(tn'd, dotted with the Idaek ostiohi. 

 I'eritheeia 4—l((, ciiciiiiite in tlie iinchitiiiicd iiuiei- liark. iiiiiiuto, 

 iilleiiiiated into a sh-nder neck, (►stiohi minute, cylindrical, not thick- 

 ened, olitnse, scarcely exsei'teil ardund the niaruin ol' the scanty disk. 

 .\sci narrow-oiilonudr snl-cyiindrical. sessile, S-spore<|, lOS-UiOx IG- 

 |s n. ."^poriilia oliliipady iiniseriate or sulihiseriate. elliptic-ovate, 

 -tiniuht oi- rarely siiliine(|uilateial. continuous, sidiliyaline, 24-;-i()x 

 N-12// cJOx.s //, I'eck). 



On deail liranches (if ('iii/i//nfs. New York State (I'eck), and 

 ( 'anada ( Dearness). 



Vv. iiinltilicata, (IVis.) 



S/i/lU> 



'ihihiiihi. I'er.s. Syii. j). 45. 



I'alsa uHibiliailti, Stevenson, I. c. 



•Circinale, small. Ostiola crowded, .somewhat enp-ishaped, roiiuli. 

 .\ninnii- the smallest ol the ti'enus. Ostinla pnanincMit, rouiili to the 

 Iniich, (wcavated at the apex or deeply undiilicate." 



On Loiiivvrd xciiipvi-vireiix, Car<»lina (Scliw.). 



Sporidia (sec. Stevenson) oval. (».^ x 5 /i. 



Ci'. anoiiiala. (I'k.) 



/)i(i/i y/'i ciniiDiiihi, I'k. 2Sth Rej). p. 72. 

 (')\/'/()f/mii'//(i (iiiiiiiKi/ii, ^swc Syll. iSi^. 

 Kxsicc. Kll N. .A. I''. iis> 



Pustules prondiient, sulu'otund or elliptical, 'J-o nim.diam..or 



iiin- 



pent. penetralinu' the wood, genera! ly with a thin. Mack ci'ust lieneatli 

 ;nid around llii'ni, the disk convex or sliiihtly depressetl, rouii'h, ciiie- 

 rcous-lir'own or Mack, sometimes whitish-puhcrulent. I'eritheeia 

 rrowdi'd. deeply imliedded in the stroma, ol'ten eloniinted. Ostiola 

 sciittered or crowded, convex, ol'ten radiate-sulcate. Mack, A.sci short, 

 liroad, liiiiacious, Sporidia crowded, elliptical, simple. ol't(Mi with a 

 nucleus at each end. liyalin<'. T-S /i lonu'. 



On living' stems of (Jftri/fns Ainirlcdiid. All»any. N. Y. (I'eckj, 

 Iowa (Ilolway). on Con/his Arr/hnm. Newlield. N. .1. 



'I'lie pustules a|ipe,'ii- lirst on the smaller Itnnches, and are seri- 

 ately arranu'cd alonir one side oT the iiraiich: afterwards they appeal' 

 also on the lariiC!' iaanclies and on the trunk itsell', and in the coni'se 

 ol' two or three years, tia- p.ait ol' the tree aliove irronnd is enf 

 kille(|. 'I'he idois. however, still retain their vitality and contii 

 scud up each \^'•,\\■ a luxuriant growth ol new shoots ilestined t^^ 



