(;oi 



""" "■ Oil AvotyJeilouo}is phiitfi^ 

 l»li. I'tt'i'idis. (Rfh.) 



Sfyluriui /','nit/if, Ktl>. N'toiii, p. ,^1), tab. I, fij;. ,?■ 

 I1,>lhid,-u rinidis, Hr. S. M. II, p. 553. 

 f'/iyllaclioia Plouiis, Fckl. Syiiib. p. 71^. 

 /\'/ii>/H\i;iiifi/ius I'ien'tlh, Winter Die IMlzc, 11, p. uis. 

 ICxsicc. Tliinn. M. V. 175, 2176.— Tlium. F. Aiistr. 



.— Kclim Asc. 



5'-i.— Kiiint.1 



I'". Scatul. 



• I'^rikss. F. Scniul. 



fllH'l 



Stidiiiiita liy]K)|iliyll()Us. cloiiifatod. oliloiiii', rollnwiiiii' tlic nerves, 

 ('(iii.<-l)l!U'k outside, deeper hlaek witliiii. '!-?> iiiiu. Iniiii'. J-^ nun. 



wide, niinutelv itnnetatc froni the ostiiila. 



SCI luunerous, ev 



lindrieal. 



^-spoicd, ()4xl4 //. Sporidia hisei'iate. elli|ttieal. liyaline. simple, 

 2-nneIeate. S-IO.\")-<i //. I'aiapliyses none. On Irumls ui' I'fcr/s 

 (if/'iih'ii(i. eoninion. New Knuland to Carolina, and west to Montana. 



None of tlie sjieec. in tlie Exsiccati tiuoted noi', in I'aet. any we 

 have seen, are aseiuerons, hnt tliose in Thiini. M. V . (eolleeted in New 



o fl. 



Til 



e (lesenii 



•li'rsey) have elavate-olilonu' stylospoi'es rj-20x2.\- 

 tion ol" the asei and sporidia is taken Ironi Saee. Syll. 



I'll. leptoNtionioidca, (ke. (irev. XIII. \>. (U. 



Stroma irreuular, minnte, flattened, lilaek. sometimes eonfliient. 

 Ostiola seareely visible, Asei elavate, S-spored. Spoi'idia ellii)tieal, 

 continiions. hyaline, 8x3 /i. 



On IVonds of Ptci'is, South ('arolina (Havenel). l\e.>^ciultles a 

 L('/>tostro)iia. 



IMi. (InlK'lla, (Sdnv.) 



'! H 



S/tlunia Jtiihella. Schw. Syn. X. Am. u'^o. 

 I'hyUacliiiin llabi'lla. S;icc. SyU. ,si.M. Ckc. Syn. 1126. 

 Kxsici'. Tliiiin. M. I'. 1711.— Rclini Asc, 47;,,— R;iv. V . \\\\. im.- 



-I-:n. N. A. F. 4S6. 



Stromata as in Ph. Ptcrldis, only epiphyllons. eovered liy the 

 epidermis and often interru])ted and tnliereular. Aseiuerons eells 

 rathei- larire. white inside. A.<ei eylimlrieal. sessile. ()(>-!K) x 8-l(» //. 

 ]iaraphysati'. S-spored. Sporidia mostly overlappinii-uni.-ei-iate. aeutely 

 I'lliptical. or ovatc-elliptieal, snltine([uilateral. yellowish-hyaline, simple, 

 H)_ll)xo-() //. 



On dead fronds of Pterls (UjuHIiki. Xew Kn;.:iand. New Jersey 

 and New York; pr<il>alily also in other loealities where its host is 

 fonnd. lint, like many othei' species of this uvnns. it is often found 

 sterile. It can. however, lie casilv recoiiiiized l»v its iieculiar lialiit. 

 76 



