760 Urediueae, Phragmosporse, Chrysomyxa. 



A. EuciiRYSOMYXA De Baiy , {Melampsoropsis %c\\voQi.). ^cidiospor?e, ure- 

 dosporte et teleutosporse cognitae. 



1. Chrysomyxa Ledi (Alb. et Schwein.) De Bary in Botan. Zeituni 

 1879, p. 809, t. X, f. 7-8, Winter Die Pilze p. 251, Schroet. Pilz. 

 Schles. p. 371, Uredo Ledi A. et S. Consp. p. 125, Melampsoro- 

 pS2S Ledi Schroet. olim, Puccimasirum Ledi Karst. Myc. Fenn. IV, 

 pag. 57, Erysibe Ledi Wallr. Fl. Crypt. Germ. II, n. 1620, yEci- 

 dium abietinmn Alb. et Schw. ]. c. p. 120 p. p. Cceoma picea- 

 ium Link Sp. II, p. 63 p. p., Cceoma longiusculum Lasch in 

 KIotzsch-Rabenh. Herb. myc. 1, n. 495, Cceoma Ledi Link Sp. 

 pl. gen. p. 15, Uredo omideo-aurantiaca Bonord. Coniora. p. 32, 

 Uredo abietina Spr. Syst. IV, p. 572. — Spermogoniis globosis, 

 numerosis, aurantiaco-rufis, solitariis vel gregariis ; secidiis ple- 

 rumque seriatis; pseudoperidiis margine albo, lacerato, cellulis 

 biconcavo-explanatis; secidiosporis globosis, ellipticis vel ovatis, 

 17-45:^12-22, aurantiaco-rufis, verrucosis; soris uredosporiferis 

 minutis, rotundatis vel majusculis, oblongis, punctiformibus, de- 

 mum confluentibus, hypophyllis ; maculis flavis vel sordide brun- 

 neis, epiphyllis; uredosporis rotundatis, ellipticis vel oblongo-pi- 

 riformibus, subinde angulatis, 16-35^14-23, verrucosis, aurantia- 

 co-flavescentibus ; soris teleutosporiferis brunneo-vel sanguineo- 

 rufis, explanatis, pustuliformibus, sparsis vel gregariis; teleuto- 

 sporis oblongis, 70-90 s 13-15, levibus, aurantiacis; sporidiolis ovoi* 

 deis, 11 w 7, aurantiaco-rufescentibus. 



Jlab. secidia et spermogonia in Abietibus, uredospor.ie et 

 teleutosporse in foliis Ledi palustris, in Germania, Fennia et 

 Lapponia nec non in America boreali. — Cl. De Bary anno 1877 

 experimentis nexum metageneticum comprobavit. 



2. Chrysomyxa Rhododendri (DC.) De Bary in Bot. Zeit. 1879, p. 809, 2 

 t, X, f. 1-6, Mclampsoropsis Rhododendri Schroet. Entw. ein. 

 Rost. p. II, p. 57, Uredo Rhododendri DC. Fl. Frang. VI, p. 80. 

 Ccuoma Rhododendri Link Sp. II, p. 16, Erysibe Rhododendri 

 Wallr. Fl. Crypt. Germ. II, n. 1622, Winter Die Pilze. p. 250, 

 uEcidiur/i abietinum Alb. et Schwein. Consp. p. 120 p. p., Ca:o- 

 ma piceaium Link. Sp. II, p. 62 p. parte. — ^cidiis in acubus 

 flavo-maculatis uni-vel biseriatis ; pseudoperidiis cylindraceis, raar- 

 gine irregulariter denta(o, albis, usque ad 3 mm. longis; cellulis 

 valde compressis; eccidiosporis rotundatis, ellipticis vel oblongis, 

 17-45 s 12-22, verruculosis, aurantiaco-flavis; soris uredo.sporife* 



