CRASSULACEiE. (ORPINE FAMILY.) 



3. SEDUM, L. Stone Crop. Orpine. 



315 



Calyx 5-4-parted. Petals 5 (rarely 4 or 6-10), free or united only 

 at base. Stamens 10 (rarely 5 or 10-12), perigynous, alternate, adnata 

 to petals. Capsules oo-seeded — Perennial or annual herbs with various 

 ^^^'^- Fm. 160. 



Fig. 159. t deed e 



Fig. 159. Flower of a Sedum with all the parts of the flower in position. 

 Fig, 160. The same showing (a) the torus, (b b) two of the sepals, (ee) two of the petals, 

 {d d) two of the stamens, (e e) two of the carpels. 



* Perennials. Boot-stocks and stolons leaving fertile and stefrile stems. 

 \ Lea'oesfiat. Inflorescence loosely eymose-mrymbose. Flowers 'pinTc. 



1. S. stolonifernm, Gmel. If Leaves opposite, eZ^ijo^^mZ ^o omte 

 and rhomlic, obtuse^ repand-crenate, .005 to .01 long, minutely tubercled. 

 Fertile, stems .1 to .3 ; flowers .006 broad, sub-sessile; sepals oblong; 

 petals lanceolate, acute, twice as long as calyx — June — Moist rocks ; 

 Amanus, and northward. 



1 1 Leaves half-terete or cylindrical. Inflorescence various. 



X Flowers white. 



2. S. album, L. If Glabrous, green. Leaves semi-cylindrical, 

 flattened above, those of sterile stems oblong , obtuse, .^OQlong, .003 wide, 

 those of fertile, oblong-linear, obtuse, .00^ long, .QO'i wide. Fertile stems 

 .1 to .15, dichotomously panicled-corymbose ; flowers .004 broad, pedi- 

 cel longer than calyx ; petals lanceolate, rather obtuse, 3-4 times as 

 long as ovate, obtuse calyx-lobes — Summer — Clefts of rocks; Lebanon 

 to Amanus, and northward. 



\ Flow&rs yellow. 

 § Leaves obtuse. 



3. S. Laconicum, Boiss. et Held. 2f Glabrous, cespitos«. 

 Leaves linear, nearly cylindrical, sessile, .006 to .008 long, .003 broad, 

 those of short, sterile stems densely imbricated. Fertile stems 1. high, 

 3-3-fid beneath the terminal cyme, with short, sessile, %-^-floioeredracemes ; 

 flowers sessile, .004 broad ; petals lanceolate, acuminate, twice as long 

 as oblong obtuse, calyx-lobes — May to July — Rocks ; middle and sub- 

 alpine region ; Samaria and Nazareth to Lebanon, and northward. 



§ § Leaves acute or acuminate. 



4. S. altissimum, Poir. If Glabrous, glaucous, woody at base. 

 Leaves oblong to lanceolate, semi-terete, erect, sessile, .005 to .015 long, 

 .003 broad, sparse on fertile, dense on short, sterile stems. Fertile stems 



