740 Uredinecc, Didyraospora, Gyranosporungium. 



j)ero Sabina, in Vogesis, Gallia, Germania, Auslria, Britannia, 

 Helvetia et America boreali. — Rees in ^bh. Nat. Ges. zu Halle 

 descripsit teleutosporas fusiformes, flavescentes, 55;; 18. Cl. (Ersted 

 (1805) experimentis demonstravit metagenesin inter duas formas 

 (a?cidium et teleutosporas). 



4. Gymnosporangium biseptatum EUis in Bull. Torr. bot. Club 1871, ^ 

 p. 4G, Rivsielia boirijapiles Schwein. Syn. N. Am. Fungi p. 294, 

 u. 2902, Rccsielia EUisii Peck in Bull. Torrey bot. Club YI, 

 n. 2? (ex ipso Peck). — Maculis epiphyllis, fiavis, rubris brunneisve, 

 projectionibus subicularibus csespitosis v. sparsis, ovatis, subviridi- 

 bus subflavisve, pseudoperidiis hypophj^llis, cylindraceis, singulis v, 

 paucis in singulis projectionum apicibus sitis, laciniis subspadiceis, 

 linearibus, subflexuosis, levibus apice persistenter cohserentibus: 

 a.'cidiosporis subglobosis, scabriusculis, subbrunneis, 15-18 y.. diam,- 

 soris teleutosporiferis erumpentibus, veiutinis, subrufescenti-casta- 

 neis dein tremelloideo-gelatinosis, magnitudine pisi, haud distincto 

 foliaceis ut in G, Juniperi; teleutosporis longe pedicellatis, ple- 

 rumque biseptatis. 



7/<2^. aecidia in foliis A mel anchier is can adens is; teleuto- 

 sporae in ramulis, qui tunc turgescunt, Cupressi thuyoidis, 

 in America boreali. — Var. foliicolum Farl. Gymnosp. p. 20. In 

 foliis Thuji>3 occidentalis in Araerica boreali. 



5. Gymnosporangium macropus Llnk Sp. II, p. 127, Burrill Parasitic 

 Fungi of Illinois p. 210, Farlow Gymn. U. S. p. 13, Podisomd 

 macropus Wyraann in Lond. Journ. bot. 1845 p. 315, t. 12, f. G, G//- 

 mnosporangium Juniperi-virginiancv Schwein. Syn. Carol. p. 74, 

 n. 504, Fodisoma Jiiniperi-virginiance Fr. Syst. Myc. III. p. 507, 

 Gymnosporangium virginianum Spreng. Syst. IV, p. 562, JEci- 

 dium pyratum Schwein. Syn. N. Am. Fungi n. 2896, Puccinia? 

 macropus L6v. in Ann. Scienc. Nat. 1845 p. G8. — Soris teleutospo- 

 riferis in cSfspites globosos congestis, basi annulo epidermoidali 

 cinctis, aurantiaco-fiavis, cylindraceis, acuminatis, 1-2,5 cm. longis, 

 demum elongatis; teleutosporis ovato-acutis, ad septura plerumquo 

 constrictis, vertico apiculo auctis, 46-60 s 15-20; pseudoperidiis hy- 

 pophyllis, creberrirais, subconcentricis, parum tantum elevatis, raar- 

 gine eleganter multifido-fimbriato, fimbriis rectis, nuUo raodo revolu- 

 tis, divergentibus, pallidis, maculis epiphyllis, orbiculatis, rubris, 

 ambitu ochraceis, centro nigrescentibus; jccidiosporis fuscis. 



IfaL. iecidia in foliis Piri coronaria3; teleut. in foliis ramu- 

 lisque Juniperi virginian», in America boreali. 



i 



