Sphsropsidacea', Leptostromace*, Pig-gotia. 1/93 



XXII, 1895, p. 81. — Peritheciis plerurtique liypcpliyllis, dense 

 gregariis, miuutissimis, rotundis v. oblongis, superficialibus, ca. 

 30-10 y.. diam., ssubapplanatis, nigrisj sporulis ovoideis obiongisve, 

 byalinis^ unicellularibus, ca. 2y,-3 '/, « 1-1 '/.,. 



Hab. m foliis aegrotantibus Coffeae liberica?, Kamerun 

 (Peeuss). 



4. Leptpfhyrium Penzigi Pollacci, Atti Ist. bot. Pavia 2 ser. V, 1896, 39is 

 tab. III. p. 15 extr. tab. III, fig. 2 afi. — Peritheciis scutiformibus, 

 carbonaceis, crebre sparsis, contextu distincte radiato ; sporulis con- 

 tinuis, hyalinis, ovoideo-oblongis, 9-10^2,25, uni-guttulatis ; ba- 

 sidiis longis. 



Hah. in petiolis Ckamceropis in horto bot. Genuse It. bor. 



5. Leptothyriiim Polygonati F. Tas.^:, Atti E. Acc. dei Fisiocr. Siena 3919 

 4 ser. YIII, 1896, p. 10 extr, et Eev Mycol. 1896, p. 171, tab. 

 CLXXIII, fig. 7. — Peritheciis disciformibus, applanato-scutatis, 

 gregariis, superficialibus, nigris, 160-200 y. diam., contextu distin- 



cte celluloso-radiato, fuligineo : sporulis copiosis, teretibus, 4-5 » 

 1-1 ■/,, rectis aut vix curvulis, continuis, interdum obsolete gut- 

 tulatis, hyalino-viridulis. 



Hab. in foliis emortuis C o n v a 1 1 a r i as P o I y g o n a t i in Italia. 



6. Leptotliyrium cylindricum Atk. BuII. Cornell Uuiv. III, n. 1, 1897, 3920 

 p. 34. — Maculis late ellipticis, griseo-albis, dilute brunneo-mar- 

 ginatis; peritheciis amphigenis, dimidiatis, nigris, astomis, poro 



vel rima varia- dehiscentibus, in longitudine radiatis, 300-400 u. 

 diam., depressisj sporulis cylindraceis, utrinque abrupte attenuatis, 

 hyalinis, rectis v. leniter curvulis, 18-25 ^ 3 7->~4. 



HaJ). in foliis Arundinarise tect^e, Auburn, Alabama 

 Amer. bor. 



7. Leptothyrium carpinicoUtm Sacc. et Syd. Sic nominandum est Le- 

 jpfoihi/riiim Carpini Eoum. et Fautr. Syll. XI, p. 554, quum exstet 

 anterius L. Carpini Brun. Syll. X, p. 412. 



PIGGOTIA B. et Br. — Syll. III, p. 636, X, p. 417. 

 1. Piggotla Negundinis E. et D. Proc. of the Canad. InsL 1897, 3921 

 p. 93. — Peritheciis minutis subglobosis v. ellipticis, 50-70 y. 

 diam., in soros pLinctiformes applanatos sparsos, hypophyllos con- 

 natis, atris, initio epidermide tectis, mox liberis ; sporulis oblongis, 

 cditinuis, hyalinis, 2,5-3 v 1. 



Hab. in foliis vivis Aceris Negundinis, London, Canada. 

 — A P. Fraocini sporulis minoribus dignoscitur. 



63 



