500 Ustilagineae, Didymospor*, Schroeteria. 



gittati et alpiiii ia Gallia, Italia, Gewiania, Feniiia, in Aine- 

 rica boreali et Rep. Argentina Araericae australis. 



^ • SCHIZONELLA Schroet. Pilzfl. Schles. p. 275 (Etym. a ^.chizo rum- 

 po). — Sporae in hjphis fertilibus seriatim efformatse, primo septo 

 verticali divisa?, dein in duas cellulas sporasve laxe conjunctas mu- 

 tatae. Cellula3 singulse vel sporae ut in Ustilagine germinantes. 

 — • Generi Diorchidio Kalchbr. inter Uredineas analogum. 



L \ 1. Schizonella melanogramma (DC.) Schroet. Pilz. Schles, pag. 275, i 

 AVinter Die Pilze p. 106, Uredo melanogramma DC. Fl. Fran?. 

 VI, p. 75, Pucciviia melanogramma Unger Einfl. Bod. p. 217, 

 Thecaphora melanogramma Lev. in Ann. Sc. Nat. III, 8, p. 373, 

 Usiilago desiruens var. foliicola Hausm. in Erb. Critt. It. n. 300, 

 Geminella foliicola Schroet. Braud. und Rostp. p. 6, Gerninella 

 melanogramma Magnus in Iledwigia 1875, p. 19, Urocijstis pu- 

 silla Cooke et Peck 25 Rep. St. Mus. p. 90. — Hyphis sporiferis 

 in epidermide paginfe superioris matricis evolutis; soris in striis 

 parvis sa?pe confluentibus dispositis, atris, pulverulentis; sporis di- 

 dymis, isthmo angusto connexis, utraque spora globosa, 8-12 =; 

 5-8, olivaceo-brunnea, leniter foveolata vel punctulata ; promyce- 

 lio cylindraceo-fusoideo, 1-3-septato; sporidiolis oblongo-ellipsoi- 

 deis vel fusiforraibus, 



Hah. in foli is C a r i c i s n i t i d ae, M i c h e 1 i i, p e n n s y 1 v a n i- 

 ca2, prsecocis, digitatie aliaruraque in Italia, Germauia, Gal- 

 lia et America boreali. 



^ SCHRCTERIA Winter Die Pilze p. 117, Schroet. Pilzfl. Schles. p. 287 

 (Etym, a cl, mycologo germanico J. Schroeter). Geminella Schroet. 

 Brand. und Rostp. Schles. pag. 5, nec Turpin. — Hyphn3 fertiles 

 haud gelatinosao at membrana firma septisque transversis instru- 

 ctae ; sporre ad singulos mycelii articulos binatim evolutae, rarius per 

 tres seriatim conjunctae; germinatio ut in THletia; promycelium 

 subinde ramosum ; sporidiola solitaria quandoque catenulata, haud 

 corona? ad instar disposita, in promycelio acrogena. 

 qn 1. Schroeteria Delastrina (Tul.) Wint. Die Pilze pag. 117, Schroet, le 

 Pilz, Schles. p, 287, Thecaphora Delastrina Tul. M6m. sur les 

 Ustil. p, lOS, t, 4, f, 24-25, Geminella Delastrina Schroet, Brand. 

 und Roslp. p. 5, Fisch. Aporcu p. 44, — Soris e Cffiruleo griseis, 

 pulverulentis, in fructibus evolutis seminaque inquinantibus; sporis 

 2, raro 3-conjunctis, ad conjiinclionis locum (isthmum) explana- 



