•216 



.TOURyAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Var. Hostii, Baumg. ''En St. Trans." iii. 342. A larger and 



finer variety. 

 Var. Hostii alba. 



Var. Baumgartenii = var. Hostii. 



Var. soldaneUiiiora (fig. Nichols, " Diet. Gard." i. p. 257). 

 Hab. : England. Europe. 



A very variable species : Stenocodon, linifolia, and perhaps 

 several other supposed species are probably only forms of it. 

 Warleyi, " Garden," 1899, Ivi. 89, 92, a plant of doubtful 

 origin probably falls in here. It has semi-double blue flowers, 

 and is a desirable plant. Miss Willmott, who raised it, informs 

 me that it sprang up as a sport or natural hybrid where rotundi- 

 folia and fragilis were growing, 

 rupestris.— Sibth., ''Fl. Gr." 213. 



Hab. : Mt. Hymettus in Attica, Crete. 



Biennial ; one of the hTate-leaved section, nearly allied to lyrata, 

 anchusaefolia, and tomentosa. 

 rupicola. — Boiss., •• Fl, Or." iii. 908. 



Hab. : Greece, on mountains 4,.500-6,.500 feet. 

 '? Annual. 



mthenica.—M. B., " Bot. Mag." liii. 2653. See bononiensis. 



The four species whif-h follow are only of botanical interest : — 



radicosa. — Bory. and Chaub.. " Fl. Pelop." 11. t. 7. Mr. Parnassus, 

 revitchoni. — A. Gray, " Syn. Fl. N. Amer." i. 396. Texas, 

 rimarum. — Boiss., "Fl. Or." iii. 901. Syria. 



ruderalis. — Aitcb. and Hems., " Journ. Linn. Soc."" xix. (1882), 174. 

 Afghanistan 9.000-12,000 feet. 



Sabatia. — r)e Not., Prod. Fl. Lig." 52. 



Hab. : Italy, Naples. Liguria. 



Closely allied to macrorrhiza. 

 sarmatica.— Ker. Gawl. " Bot. Reg." t. 237 (fig. Bot. Reg." t. 237). 



(Syn. gummifera, Willd. in Ro?m. and Sch. " Syst." v. 144.) 



Hab. : Caucasus, Sm\Tna. 



A good species for borders. 

 saxatilis.-L., "Enc." i. 588 (fig. Jaubert, "Illustr." 392). 



Hab, : Greece, Isle of Karpatos. 



A small, very pretty species, aUied to orphanidea. 

 Saxifraga. — M. and Bieb., ''Fl. Taur. Cauc." i. 155 (^fig. DC. '' Mon. 

 Camp." t. 70). 



Hab. : Caucasus. 



A pretty species, very near tridentata. 

 Scheuchzeri.— Villars, " Prosp. ' p. 22, et Dauph. ii. p. 503, t. x. (fig. " Fl. 

 d. Serres," 2205). 

 Hab. : Engadine Valley. T}to1, Pyrenees. 



A very pretty species for borders or rockeries, very near linifolia, 

 some of the finer forms of which seem to run into it. 



