E. G. Camus. — Plantes hybrides spontanées de la flore eïiropéenne. 147 



X R- angustatus Chab, et Aluell. Vers. n° 24. 

 France. 



X R- longiracemosus Timb.-Lagr. sec. Boulay. 

 Exsicc. : Ass. rub. n° 165. — France. 



X R- piletosus Rip. in Genev. Monogr., p. 316. 

 Exsicc. : Ass. rub. n° 171. — France. 



X R- latidens Clavaud ex Boulay ùi Bull. Soc. bot. Fr. (1898). 

 Exsicc. : Ass. rub. n° 707. — France. 



X R- thamnophilus Rip. in Genev. Monogr., p. 247. 

 France. 



X R- hirtellus Rip. in Genev. Monogr., p. 318. 

 France. . 



X R- pubescens Genev. Monogr., p. 271. 

 France. 



X R- obtusidens Boni, et Tuezk. 



Exsicc. : Ass. rub. n° 22. — France. 



X R- serridens Boni, et Tuezk. 



Exsicc. : Ass. rub. n"^ 91 , 92. — France. 



X R- Suberti Rip. in Genev. Monogr., p. 293. 

 R. tomentosus glabratus X rusticanus. 

 France. 



X R- villosulus Rip. in Genev. Monogr., p. 291. 

 R. tomentosus glabratus X ulmifolius. 

 France. 



X R- vicinus Rip. in Genev. Alonogr., p. 322. 

 France. 



X R- trachypus Boul. et Gill. in Ass. rub., n°'' 235 et 278. 

 France. 



X R- Schultzii Rip. in Arch. FI., p. 197; Genev. Monog., p. 323. 

 R. tomentosus glabratus X ••••'' 



Exsicc. : H. Schultz Herb, norm. n° 39; Ass. rub. no 23. 

 — France. 

 X R- albo-micans Rip. iîi Genev. Monogr., p. 309. 

 R. tomentosus X •••• 



Exsicc. : Ass. rub. n° 95. — France. 



X R- subvelutinus Boul. et Rip. i?i Genev. Monogr., p. 319. 

 R. tomentosus X •••• ? 



Exsicc. : Ass. rub. n° 93. — France. 



