132 36. SAXIFRAGACK.E. 



acute lobes, lateral lobes deeply bifid, calyx almost superior, sep. 

 Linear-lanceolate as long as the capsule shorter than the germen. 

 E. B. 2278. Fl. in a cymose panicle, many, white. St. a 

 foot high, solitary. "Petioles many-nerved. L. oval." Peduncles, 

 germens and cal. downy and viscid. Caps, not tubercular. 

 Hooker and Arnott refer this to S. geranioides (L.) : not having 

 seen Smith's plant, which is said to be also found on the Ceven- 

 nes, I retain his name. Clova Mountains. G. Don. Isle of 

 Achill, I. Mr. Wynne. P. V. S. I. 



Sec. 2. Without barren shoots at the base. 

 * Stem leafy. 



15. S. tridactylites (L.); st. panicled erect leafy, 1. wedge- 

 shaped 3 5-fid with a flat petiole, lowermost often simple and 

 spathulate, peduncles 1 -flowered much longer than the fruit with 

 2 bracts at the base, cal. superior. E. B. 501. St. 33. 15. 

 Whole plant viscid, 2 4 in. high. Fl. scattered, many, small, 

 white. Walls and dry banks. A. IV. VII. 



16. S. granulata (L.); st. erect slightly leafy, radical I. reni- 

 form crenately lobed with channeled petioles, stem-1. nearly sessile 

 3 5-fid, fl. in a cymose panicle, cal. half inferior, pet. obovate- 

 oblong 2 or 3 times as long as the sepals, roots granulated. 

 E. B. 500. Root bearing many small round downy bulbs. St. 

 612 in. high. Fl. large, white. Gravelly banks. P. V. 



17- S. cernua (L.) ; st. erect simple 1-flowered leafy, radical 1. 

 reniform palmately lobed stalked, upper 1. nearly sessile subtrifid, 

 uppermost entire, axils 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. 



18. S. rivularis (L.); st. ascending branched few-flowered leafy, 

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

 most 1. lanceolate entire, cal. half inferior. E. B. 2275. St. 

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

 highest summits of mountains. P. VIII. S. 



** Stem leafless. 



19. S. nivalis (L.); st. erect leafless, I. all radical roundish- 

 obovate dentate-serrate narrowed into a footstalk, fl. capitate, 

 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. 



[_S. Andrews'd (Harv.); 1. linear-spathulate dentate-serrate 

 with a membranous margin tapering below into a dilated plane- 



