751 



Diis, smooth, 

 V iiiiiii('rst.M|, 



' Cl'IISt. 



oov('rc(l hv 

 rs t'li;uTC(|. 

 ist, ixlolioso- 

 Itosc ostiolii 

 zoid-uiiiliili- 



. J. (Scliw.). 



liickly scat- 

 I tlie iiiiici' 

 , I)iit filially 

 The lai'iit'. 

 iiri'uw, al.~(i 

 10 liark two 



Ic'licui, Pa. 



i.U'jiTCti'ak'd. 

 1 sul)j)i'oiiii- 



?C('llt IlU'lll- 



iiutod ill a 

 ^stcnilonii. 



ii'owii cnisf 

 tliocia siili- 



JSO, I'llJiTiSC, 



at length 



' 8oriat('ly 

 ola ))roiiii- 



'a. (Scliw.). 



** Corti.colm. 



lil")T. Si>li<('vi(i alhofdrctd, Scliw. — Scattorud or urcgarioiis. 

 I'ciitlicL'ia covci'fd, very small, entirely immersed in the liark. white 

 inside, gloliose, horizontally striate, indistiiietly osliolate, the ostiohi 

 visible tliroiiii'h eraeks in the liai'k which is Mackened (\\\ the dis- 

 charii'eil sjioridia)? 



On young liranclies of Sussafi-x.^, which are extensively stained 

 and lilackeiied. n(>tlilelieiii. Pa. 



10,58. Sphfvria teiieUa, Scliw. — Scattereil, liuried in the l>ark 

 under the e])iderniis. Pei'itliecia iiiiinite, idliptic-oldoiig or glolio.^e, 

 not glaliroiis. Ostiola very minute, visible through cracks in the 

 (']ii(lerniis. ajipareiitly I'ising i'rom a disk. Sometimes several ostiola 

 appear to rise rroiii one peritliecium. 



In the llliroiis liark of ///i/'.sr»s roxaus, Cethlehem, Pa. 



1(15!). SpJxvriii Daphuidin. Scliw. ^At first covered, finally 

 bare aliove, Imt imiiierseil in the bark. Perithecia g]olios(>-depresse(|. 

 liark brown, tomeiitose. imiiiei'sed in a blackish, floccose crust. Ostiola 

 at first jiapillate, finally larger and delbrmed, especially in the demideil 

 perithecia which finally Ix'come rugose. Stains the bark lilack. 



On Duj)hnis Mexevci. IJethlcheiii, Pa. 



1(560. Sph(('r/'>t fuscescens, Scliw. — Aggregated or scattered, at 

 first entii'cly covered by the epidermis, but when this is thrown olV. 

 seated free on the siiiTace of the inner bark. Perithecia minute, 

 ovate-conical, much wrinkled, black or dark bi'own, sometimes col- 

 la])sing, the papilliform ostiola visil)le through cracks in the epidermis. 

 The Idack, sj)erniatic contents exuding stain tlic surface of the bark 

 around the ostiolum. 



On chestnut limbs. 



1661. Sphmi'la palliolata, Sehw. — Suhseriatc in cracks of tlie 

 epidei'mis, collected in small, ellii)tical groups, sometimes confluent. 

 At first covered by the epidermis, at length free, but always covered 

 by the thin, white inner menibi'ane of the epidermi.'*. Perithecia com- 

 })aratively large, only a few in a cluster, globose-flattened, very black, 

 punctate-rugose. Ostiolum papilliform. 



On smooth branches of Rosa voryinbosa. 



1662. SphiVfia rhii in a, ^chw. — (irrogarious: extensively crum- 

 pent through the epidermis and closely surrounded by it. Perithecia 

 very black, flattened, with a central pajMlIa through which the c _ "ous 



