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53
Subfam. II. MELAMPSOREAE.
X. MELAMPSORA Cast. Pl. Murs. p. 206.
1. M. populnea (Pers.) Karst.
II. Sori amphigeni, sparsi, laete flavi, rotundati,
mi-nuti, pseudosporangio irregulariter rupto et lacerato ac
persistente Stylosporae obovoideo-ellipsoideo-vel
angulato-sphae-roideae, echinatae, longit. 20—24 nimin., crassit. 15—18
mmm. Parapliyses apice ovoideo-incrassatae, liyalinae.
III. Sori amphigeni, vulgo congesti, subrotundi aut
angulato-confluentes, convexo-plani, primitus luteo-fulvi vel
gilvo-rufi, denium nigrescentes. Teleutosporae prisniaticae,
arctissime coadunatae, 5—6-gonae, niembrana levi, in
ver-tice non incrassata, longit, circiter 55 mmm., crassit.
circiter 10 mmm.
Syn. II. Uredo ovata Strauss, in Wett. Ann. p. 92. Ur.
popidina Auctt. pr. p.
III. Sclerotium popidneum Pers. Syn. Fung. p. 125. Sel.
populinum Fr. Syst. myc. III, p. 262 pr. p. JM damp sora
Tremu-lae TuL. in Ann. sc. nat. 4, tom. II, 1854, p. 95.
Exsicc. v. Thum. Fung. austr. 38 (II). Karst. Fung. Fenn.
290 (III).
Hab. In foliis Populi tremulae freqventer vigens.
* M. populina Tul. in Ann. se. nat. t. II, 1854, p. 95.
A typo soris uredineis, stylosporis majoribus (longit.
30—39 mmm., crassit. 13—19 mmm.) teleutosporisqve
mi-noribus recedens.
Exsicc. Karst. Fung. Fenn. 984 (II).
Hab. In foliis Popu/i pyramidalis in Mustiala.
2. M. b etu lin a (Fr.) Desm. Crypt. Franc. 1646.
II. Sori hypophylli, rotundati, gregarii, nitide flavi vel
subaurantii, pseudosporangio crasso, ostiolo augusto et qvasi
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