APPENDIX. 253 



SAGf NA. Pearl- Wort 



S. SAXATILIS, Wim. Distinguished from the 5-naerous forms 

 of S. procumbens only by the longer white petals, erect styles 

 and longer capsules with appressed sepals. 



Very rare. Alpine rocks. (H) P. 5 7. Ben Lomond. 



CERASTfuM. Chickweed. 



C. ALPINUM, L. Habit of C. ARVENSE. Leaves broader, 

 Howers fewer and broader, f 1 in. , with scarcely any glands ;. 

 capsule twice as long as sepals. 



Very rare. Alpine rocks. (B) P. 57. Ben Lomond ; Ben Vorlich. 



Ord. 27. ROSACE JE. 



PoTENTfLLA. Cinque-foil. 



P. PJROCUMBENS, Cl. Rootstalk woody, branches leafy at the 

 top. Leaves 1 3 in. , hairy, glaucous ; leaflets J in. obovate 3 5- 

 toothed at the tip. Fl. in. diam., few, yellow. Sepals lanceolate, 

 acute, bracts linear. 



Frequent. Alpine rocks. (H) P. 5 7. Ben Lomond; Ben Vorlich, &c. 



P. SALISBURGENSIS, Hae. Stems ascending, leaves digitately 

 5 7 foliolate, leaflets obovate or cuneate, deeply crenate or 

 serrate usually above the middle, fl. several yellow ; achenes 

 smooth, glabrous. 



Very rare. Alpine rocks. (H) P. 56. Ben Lomond. 



Ord. 28.-SAXIFRAGEJE, 



SAXIFRAGA. Saxifrage. 



S. NIVALIS, L. Rootstalk small. Leaves 1 in. diam., 

 subcoriaceous, red beneath ; petiole 1 2 in. Scape 3 6 in. erect, 

 simple. Fl. J in. diam. white, in capitate, 4 12-flowered cymes. 

 Seps. connate purple. Plant with glandular hairs on the leaf 

 margins, bracts, scape, and pedicels ; elsewhere glabrous. 

 Very rare. Alpine rocks. (H) P. 78. Ben Lomond. 



Ord. 32. ONAGBACEJE. 



EPIL^BIUM. Willow-herb. 



E. ALPINUM, L. Stem with 2 pubescent lines, ascending 

 3 9 in., slender. Le. \ f in., opposite, oblong, few on short 

 stalks. Flowers 1 3, pendulous, rose-coloured, \ ^ in. diam. 

 Capsule 1 \\ in. , glabrous. 



Very rare. Alpine rills. (S) P. 57. Ben Lomond. 



