42S Sj.>h:.eriacex hnperfecte cognita». 



Ilab. in caulibus biccis Cynanchi Vincetoxici prope Mei- 

 ringen Helvetiae (Rabexhorst). 



284, Sphseria obtusa Rabenh. L». (JFypt. Fi. 175. — Peritheciis spar- 4410 

 sis, tectis, deiu erumpentiims, emergentibus, giobosis, levibus, ni- 

 tidis, nigris, dein collaljascendo pateilaribus: cstiolo brevi obtuso, 

 deciduo. 



Ilab. ;n cauUbus siccis Aconiti Lycoctoni in Aipibus (Ra- 

 cknhorst). — An Sphwria acuta /3. Aeoniti Fr.? dubitante Ra- 

 benhorst. 



285. Sphffifia Zizaniaj Schw. Syn. Amer. bor. n. 1750. — Sparsa, 4411 

 simpiicissuna, rugulosa, minuia, atra, giobosa, immersa, sed in pa- 

 gina inferiori protrusa; ostiolo gioboso autem punctiformiter im- 

 presso, prominente in paginu superiore, quasi sphserulam meutieu- 



te; pars inferior potrusa aut bullosa hemispha?rica, pro ratione 

 majuicula, mterdum coilapsa. 



Hab. frequeiis in culmis foliisque Zizaniae, Philadelphia 

 Amer. bor. 

 , f dHB. Spftseria Zinniae Schw. Syn. Amer. bor. n. 1751. — Erumpens, 441? 

 Mraplex, sparsa, librillulis radiantibus indistinctis circumdata, ova- 

 ta, nigra, rugosa, minuta, dernurn ore perforato, interdum collapsa. 



Mab. in petiolis et peduncuiis Zinui*' multifloree cultaV 

 Bethlehem Amer. bor. 



287. Sphaeria verbascicoSa Schw. Syn. Amer. bor. n. 172G. — Pri- 4413 

 mum tecta, aggregata ac sparsa ; initio hemisphaerica rugoso-puu- 

 ctata, nigra; demura reguiariter collapsa, applanata ; ostiolo cen- 

 trali iatiori fere hysteriiformi; ssepe latet sub lana caulis deter- 

 gibili; minor est Sphceria paietla; in capsuiis evolutior ac varie 

 collapsa. 



tlaO. vulgatissiraa in cauiibus atque in capsulis Verbasci, Be- 

 thleheiu Amer. bor. — Affinis Sph. palellcv. 



288. Sphaeria iageticola Sehw. Syn. Amer. bor. n. 1749. — Tecta; 4414 

 demum subiibera, sparsa in macuia epidermidis cinerascenti ; pe- 

 ritheciis minutis stepe 2-3-confluentibus subseriatis, epidermidem 

 vulde eievantibus, albo-faretis : ostiolis e cylindrico globosis, val- 



de promineutibus. 



Hab. in caulibus Tagetum in hortis cultis, Beihiehem Ame- 

 rica boreali. 



289. Sphaeria tecta Schw. Syn. Ainer. bor. n. 1731. Tecta; nec un- 4415 

 quam liberrhi, iungv. laieque sparsa in cuule ibidera obscurius co- 

 loruto; peritheciis depressis ollipticis, papiila globosa «lecid.ua co- 



