256 



LESTADIA, Awd. 



Hedwigia 1869, p. 177. 



IVrithecia innate, membranaceouS, typically pierced at the apex 

 \vith a simple pore. Asci 8-spored, without paraphyses, mostly clavate. 

 Sporidia ovoid or suboblong, continuous, hyaline. 



Minute fungi growing mostly on leaves. 



A. On leaves of dicotyledonous trccx <ind shrubs. 

 L. rhytismoides, (Berk.) 



Spheeria ih vt isi o/des, Berk. Brit. Fungi, 178. 

 Spheeria Dryadis, Fckl. Symb. p. 108, tab. II, fig. 41. 

 Sphcer ell a rhylismoidrs, De Not. Reel. Pir. p. 12. 

 Lcestadia rhytismoides, Sacc. Syll. 1611, Cke. Syn. 5211. 



Perithecia epiphyllous, rather large, semiiinersed on large, dark 

 colored, indeterminate spots, globose, very black, perforated, at length 

 depressed. Asci fasciculate, stipitate, clavate, 8-spored, 50-55 x 14- 

 1(> //. Sporidia inordinate, or distichous, oblong-ovate, subinequilater- 

 al, ends obtuse, guttulate. 14-16 x 5-6 //, hyaline. 



On leaves of Drya* integrifolia, Greenland. 



L. carpinea, (Fr.) 



Splicer ia carpinea, Fr. S. M. II. p. 523. 

 Ascoapora carpinea, Fr. Summa. Veg, Sc. p. 425. 

 Splicer dla carpinea, Awd. Myc. E)ur. I.e. p. 2. 

 Lcestadia carpinea, Sacc. Syll. 1619, Cke. Syn. 5223. 



Kxsicc. Fckl. F. Rh. 466. Rab. F. E. 365. Cke. F. Brit. Ser. i. 165. Desm. PI. Crypt. 

 F)d. i. 981. Ed. 2. 285. 



Perithecia aniphigenous, sunk in the substance of the leaf and 

 overed l\y the blackened epidermis, scattered, globose, with a simple 

 pore at the apex, black, 120-150 /JL broad. Asci oblong-clavate, 

 narrowed into a short stipe below, 8-spored, 50-60 x 8 /;. Sporidia 

 biseriate. oblong-elliptical, inequilateral, subobtuse. one-celled, hyaline. 

 14-15x4-5/7.. 



On leaves of CtH'jtt/ufx. Bethlehem. Pa. (Schweinitz). 



L. albucrustata, (Sclnv.) 



Sphceria aJh/m ns/ata, Schw. Syn. N. Am. 1791. 

 Lcestadia albocrnstata, Sacc. Syll. 6000, Cke. Syu. 5192. 



Seated on a light cinereous, pulverulent, indeterminate, vaguely 

 -IVused crust. Perithecia scattered, black, variously crowded on the 

 crust, which in this way has a sculptured appearance, not however. 

 continent, at first convex, sub-rugose, at length collapsing. Asci da- 



