20 PERONOSPORACEE 
Mag. Naturf. Freunde, Berlin. Observ. I, p. 4. Uredo Tragopogi Sini Cand.. 
FI. Fr. II. 237. Cysfopus cubicus Lév. in Ann. Sc. Nat. Ser. III, VIII, 
p. 871. De Bary Dév. in Ann. Sc. nat. Scr. IV, tom. XX, p. 182, va I, et 
II, Cystopus spinulosus D. Bary l. c. p. 133, Berl. et De Toni Phycom. in 
Sace. Syll. Fung. Vol. VII, part. I, p. 285. Schr. Krypt. Fl. Schles. III p. 
285. Uredo candida b. Compositarum Rab. Krypt. Fl. I, p. 13. Cystopus 
Tragopogonis Gelincoi. Kryptog. Fl. Schles. p. 234. Berl. et De Ton. Syll 
Phycom. in Sace. Syll. Fung. Vol. VII, part. I, p. 234. Fischer Phycom. in 
Rab. Krypt. Fl. II Aufl. p. 421. Magnus Ueb. di Memb der Oospor. von 
Cystopus Tragop. in Ber. der Deutsch. Bot. Gesell. Band. XI Heft. 5, p. 
827. Berl. Ic. Fung. Phyc. fasc. I, pag. 8, tab. V. Cyst. quadratus Kalck. et 
Cooke in iu Berl. et De Toni Il. cc, p. 237. Albugo Tragopog. Magn. 
Peron. Brandeb. p. 63. 
EXSICCATA 
Westendorp exsicc. fase. 14, n. 667%, et fasc. 7, n. 329. (C. cubicus). Ra- 
cubicus) n. 47 (C. spinulosus) isa er Fungi saxonici exsic. n, 146, È 
(C. cubicus), n. 94, 496, 496 (C. spinulosus) Schneider Herb. Schles. Pilze, 
76-77, 177, 178, 359, 360 (C. cubicus) n. 78-79 (C. spinulosus) Sydow gie 
march. n. 2656, 3241. (C. cubicus) n. 1529, 1536 (C. spinulosus) Thueme 
Fung. austr. n. 431-483, 740, T41 (C. cudicus) n. 118, 4838 (C. cpinatoeno) 
Thuemen Mycoth. univ. n. 253, 620, 815, 1423, 1919 (C. cubicus) n. (C. 
spinulosus). Linhart Fungi hung. exsice. n. 392, 491, 492 (C. ar Cooke dl 
Fungi brit. exsice. Ed. II n. 815 (C. cubicus) n. 316 (C. spinulosus) Schroeter : 
Pilze Schles. exsicc. n. 348 (0. cudicus) n.3. Eriksson Fungi paras. scandinavi | 
n. 50-248 (C. Tragopogonis) n 849 (C. spinulosus). Spegazzini Dec. Myc. | 
Argent. (Exsicc ) n. 36 (C, cubicus) Spegazzini Dee. Myc. Italicae (Exsicc.) 
n. 99. (C. cubicus) apt et Everhart North Amer. Fungi (Exsicc.) n. 2208, 
2421 (C. cubicus) n. 1809 (C. Convolvulacearum) Erbario Crittog. italiano 
Ser. IL n. 497 (0. Dr Vize Microfungi Britannici exsicc. n. 47 (C. cubi — 
cus) n. 46 (C. spinulosus) Oulemans Fungi Neerl. exsicc. n. 70 (C. cubicus) 
n. 69 (C. spinulosus) Roumeguère Fungi gallici exsicce. n. 1851 (0. cudicus) | 
Allescher et Schnabl., Fungi piero exsicc. n. 266 (C. spinulosus) Ravenel | 
Fungi Amer. exsicc. n. 501 (C. cudicu 0 
Cid 
Soris magnitudine variis, subrotundis vel oblongis, albidis ver 
vix flavescentibus, demum pulverùlentis ; conidiophoris clavulatis ; 
nidiis difformibus, terminalibus ceteris plerumque maioribus, opaca 
depressis, ravian membrana crassà, subtus, saepe umbilicata, achroà, 
rarius lutescenti praeditis, ceteris zoosporiparis, breviter cylindraceis 
vel saepius cubi, membrana hyalina, ad medium annulo transverse 
5 
