CRASSULACE^E 



515 



cuneate at the base, entire or shallowly emarginate, succulent, and 

 continuing to grow for some time, glabrous, subglaucous-green 

 above, paler beneath and glaucous, trinerved, with the lateral 

 nerves curved and enclosing an elliptic space, arising near the base 

 of the lamina and proceeding round the cotyledon parallel with 

 the margin, and again uniting with the midrib close to the apex, 

 best seen on the under- 

 side or by transmitted 

 light, petiolate ; lamina 

 4-9 mm. long, 4-8 mm. 

 wide ; petiole flattened 

 above, convex on the back, 

 dilated upwards into the 

 lamina, suddenly dilated 

 to a wide base, slightly con- 

 nate around the plumule, 

 pale green, almost colour- 

 less, 6-11 mm. long. 



Stem forming a fleshy, 

 thickened rootstock, from 

 which it sends up annual, 

 succulent, flowering stems ; 

 primary internodes unde- 

 veloped. 



Leaves simple, radical 

 and cauline, alternate, ex- 

 stipulate, petiolate, gla- 

 brous, succulent, glaucous, PIG. 888. Sedum Bhodiola, x 2. 

 palerbeneathandglaucous, 



with alternate, ascending nerves, discernible with difficulty ; petioles 

 in the seedling grooved above, convex on the back, short, and as the 

 plant grows gradually becoming shorter till the leaves are quite 



No. 1. Much smaller than the cotyledons and both narrower and 

 shorter, spathulate, obtuse, entire, with one to two short, alternate 

 nerves on each side. 



Sedum asiaticum, DC. 



Primary root as in last species. 



Hypocotyl stout, succulent, glabrous, purplish, 4 mm. long. 



Cotyledons succulent, glaucous, glabrous ; lamina broadly oval, 

 obtuse, 3 mm. long, 2'25 mm. wide ; petiole flattened on the upper 

 side, G mm. long. 



L L 2 



