SAXLFRAGA. CHRYSOSPLENITJM. 159 



14. S. cer'nua (L.) ; st. erect simple \-flowered leafy, radical 1. 

 reniform palmately lobed stalked, upper 1. nearly sessile sub- 

 trifid, uppermost entire, ax-Us bearing bulbs, cal. quite inferior. 

 E. B. 664. Rarely flowering ; fl. replaced by reddish bulbs. 

 St. 3 6 in. high. Rocks on the top of Ben Lawers, very rare. 

 P. VI. VIII. S. 



1 5. S. rivuldris (L.) ; st. ascending branched few-flowered 

 leafy, radical 1. subreniform stalked with 3-5 rounded lobes, 

 uppermost 1. lanceolate entire, cal. half inferior. E. B. 2275. 

 St. 1 2 in. long. Fl. few, stalked, white. Wet places on the 

 coldest parts of mountains. P. VIII. S. 



** Stem leafless. 



16. S. nivdlis (L.) ; st. erect leafless, /. all radical roundish- 

 obovate dentate-serrate narrowed into a footstalk,^, in capitate 

 cymes, cal. half inferior, pet. longer than the calyx. E. B. 440. 

 St. 35. 4 St. 3 6 in. high, usually simple, sometimes with 1 

 branch. Fl. in a dense cluster, white. Alpine rocks. P. VII. 



E. S. I. 



Sec. 3. Stems procumbent with opposite 1. and terminal 

 flowers. 



17. S. oppositifolia (L.) ; st. procumbent, /. opposite in 4 rows 

 oblong blunt fringed, sep. ciliate without glands, pet. ovate. 

 E. B. 9. Very different from our other species. L. with a 

 pore at tip. Fl. large, purple. Damp alpine rocks. P. IV. V, 



E.S.I. 



2. CHETSOSPLE'NIUM Linn. Golden Saxifrage. 



1. C. alternifolium (L.) ; 1. alternate, lower 1. subreniform hairy 

 crenate upon long stalks. Sy. E. B. 564. St. 12. Crenatures 

 of the lower 1. emarginate, upper 1. glabrous with the crenatures 

 often rather acute. St. erect, 4 5 in. high, branching only near 

 the top. Fl. umbellate, nearly sessile, deep yellow. Stam. 

 usually 8. Boggy places. P. IV. E. S. I. 



2. C. oppositifolium (L.) ; /. opposite, lower 1. roundish-cordate 

 shortly stalked wavy. E. B. 450. St. 4. 6. St. branching from 

 the base, 4 6 in. long, decumbent, straggling, rooting. Fl. 

 paler and more scattered than in the last. L. usually glabrous, 

 sometimes slightly hairy. Stam. usually 8. Damp shady places. 

 P. IV. V. K S. I. 



