SAXIFRAGES 



511 



Hypocotyl woody, terete, brownish, sparsely glandular-pubes- 

 cent, merging into the root. 



Cotyledons foliaceous, rather persistent, petiolate, sparsely glan- 

 dular-pubescent ; lamina 

 ovate, obtuse, mucronate, 

 11 mm. long, 7 mm. 

 wide ; ' petiole slightly 

 channelled above, 7 mm. 

 long. 



Stem suffrutescent, 

 erect, terete, sparsely 

 glandular-pubescent ; 1st 

 internode 1'5 mm. long ; 

 2nd 6 mm.; 3rd 1-5 

 mm. 



Leaves simple, cau- 

 line, alternate, exstipu- 

 late, petiolate, sparsely 

 glandular-pubescent, pale 

 green ; petioles subterete, 

 channelled above, pale 

 green, sparsely glandular- 

 hairy, dilated and am- 

 plexicaul at the base. 



No. 1. Triangular- 

 ovate, trifid, irregularly 

 serrate. 



No. 2. Palmately tri- 

 nerved and shallowly five- 

 lobed, and serrate. 



No. 8. Eeniform 

 palmate, trinerved and 

 sub-five-lobed, serrate. 



No. 4. Eeniform, pal- 

 mate, five-nerved, five- 

 lobed, serrate. 



No. 5. Similar. 



Ribes nigrum, L. 



Hypocotyl erect, ter- 

 ete, glabrous, pale green, 

 soon losing its epidermis and becoming brown and woody. 



Cotyledons smaller than in the last species and oblong, obtuse, 



FIG. 881. Bibes saxatile. Nat. size. 



