02 



Till' siK'cie> is coiiiiikmi in Kiirn|M'. iiiid ii|ifK':irs iilso to lie widely 

 ilViisfd ill this conn try. it is r(')iort('(| IVoni Ciiioliiiii to IN'iiiisylviMiiii' 



<\ - . . . , 



iiiid lo\v;i, Mini IVoiii Nortlicni New \ nvk iiiid ('iiii!id:i 









TJhHOXKCrUIA. SiUT. 



(Vn.v. IV, 1) -M. and Mich. I p. .^.\s 



Stroiiiii viilsiHiriii or liiicnr. covcivd l>y tiic Imi'k and only piirtiiilly 

 crniiiiK'nt. I'l-ritlicciii moiiosticlioiis. sulicaniosc, reddish, Imt rovcrcd 

 with ii ycliow-riirfuraci'oiis coat, i'.\c('|it tlii' short ostiula. Asci H-sporod, 

 i)ura])liysat('. Sporidia oIiIoiil,^ iiiuriroriii, hyaline or siildiyaline. or 

 at loast in one Aiiierieau species, Itrowii. 



Th. XautiKixyli, (Pk.) 



I'ahii .Wiiilhovvli. I'k. ;,ist Kep. p. |<j. 

 lu:iicit('lla Xaiilliii.xyli, Sacc. Syll, II, p. 3,^2 



Pustules sli«ilitly iiroiiiiiieiit, with a yellow i-^ii-I'm-friraeeous. laiieet)- 

 late disk, which is dotted Iiy the hlai-k ostiola. I'erithecia "J-l.") in a 

 stroma, rarely siiij>-le, t'rau-ile. i)alo outside, reddish inside, small (al)oiit 



mm.), 



•lulH'ireinate. eiu-los^.'d in the sliii'htlv altered sultstanee of the 



liaik, with a tawiiy-yi'Uowish. Iloccose-toiiiento^e sul)staiiee surrounding- 

 them and lillinu' the spaces l)etweeii them, attenuated aliove into slen- 

 der necks, with the sliort, black, ol)tuse, jjapilliform. then narrowly 

 pei'loi'ated ostiola erumpeiit in the li,ii:lit, sulphur-yellow, elongated 

 ilisk which hursts through longitudinal cnicks in tlii' bark, but does 

 not rise al)ove it. Asci oblong-clavate, j). sji. 05-7") x 12-1 o //, sub- 

 set^sile, paraphysate, 8-.sp(U'cd. Sporidia Iiiseriate, yellowish, obloug- 

 cylindrical, obtuse, slightly curved, faintly 3-5-sejttate and muHlbrm, 

 18-22x6-9 n- The septa are very faint, and iu many cases scarcely 

 visible. The ostiola are at lirst coverinl with a grceiiish-yello'w j»ow(ler. 



On dead liiiil»s o\' Xa nthoxyl imt Amerivanum, Troy, X. Y. (Peck). 



This i.s very ncai- Th. Pdtdvina, Sacc, but seems to ditler in iti* 

 o-.septate sjioridia and ostiola united in a disk. 



Th. vireiis, Hark, (in Herb.) 



Peritliecia cesjjitose, seated on the surliice of the inner l)ark. 

 bursting through and surrounded by the upturned epidermis, in com- 

 pact clusters of 5-12, globose, \ mm. diam., clothed with a dense, 

 greenish-yellow, tomciitose-furfuraceous coat. Ostioliun pa]»illiibnn, 

 black, tardily appearing. Asci clavate-cyliudrical, 100-1 10 (p. sp. 70- 

 75)x 12-15 n; parai)hyses evanescent. Sporidia biseriate, olilong- 

 cylindrical, obtuse, curved, hyaline, 6-7-septate and murilbrni, 18- 

 22 X G-8 11. 



