PHACIBIACEI. 



755 



curved, mostly uniseptate, when quite mature triseptate. — Grev. 

 ^ 103. Fr. El. \i. p. 133. Fries, exs. no. ^tQ^. Cooke ercs.no. 276. 

 Moug.exs.no. 4:86. Baxt. exs.no. 30. Tode.f. 121. FcJd. exs.no. 

 1117. Fhacidium patella, Eng.Fl. y.p. 291. Berk. exs. no. 289. 



On dead stems of herbaceous plants. Spring. 



Sporidia ("0007 in.), '0177 m.m. long. Seldom found with perfect fruit. 



rFi^.356.) 



Gen. 322. 



Fig. 357. 

 On willow branches. 



RHYTISWIA, Fr. 



Perithecia forming a confluent 

 mass, opening by flexuous fissures. 

 --Berk. Outl.p. 379. {Fig. 357.) 



2276. Rhytisxna xnaxixnuzn. 



jF>. *' Great Ehjtisma.' 



Subinnate, very broad, even 

 lobed at the circumference, burst- 

 ing in fragments, stratum under 

 the disc white ; sporidia ovate, 

 uniseriate. — Fr. S.M. ii. p. 5G6, 

 Fng. Fl.y. p. 290. Tul. Carp. iii. 

 p.l22,t. xvi. /. 9-15. Fries, exs. 

 no. 250. Sph. aurea, Sow.t. 356. 



Forming bullate black patches on the young branches, adnate with the 

 epidermis, shining in the centre dull towards the lobed margin ; lobes 

 rounded, with or without a golden yellow border, sometimes confluent and 

 extending several inches. Sporidia •002-'0026 m.m. long, "Ol-'IS m.m. broad. 

 Cryptomyces Wauddi, Grev. t. 206. Eng. Fl. v. p. 214. Stictis Wauchii, Berk. 

 Outl. p. 375, is referred by Tulasne to this species. 



2277. Rhytisxna andromedae. Fr. " Andromeda Rhytisma." 



Innate, oblong, costato -rugose, shining ; disc dingy cinereous- 

 brown. — Fr. S.M. \i.p. 566. Sturm, t. 46. Jlem. Mus. iii. t. 3,/. 

 13. Fries, exs. no. 135. Moug. exs. no. 176. Eng. Fl. Y.p. 290. 



On living leaves of Andromeda polifolia. 

 " Resembling pitch poured upon the leaves." 



2278. Rhytisma salicinum. Fr. " Willow Rhytisma." 



Innate, thick, tuberculose, black, somewhat shining, bursting 

 in scales ; disc yellowish, straw-colour, white within ; asci linear- 

 clavate ; sporidia filiform or lanceolate, straight or curved — Fr. 



