136 CRASSVLACEJE. [CoTYU.nnx. 



Stamens 10, inserted in the tube of the corolla. Scales 5, linear-oblong 

 or 4-angular. Carpels 5 ; styles filiform ; ovules many. Follicles niiiny- 

 seeded. DISTRIB. W. and S. Europe, all Africa, temp. Asia, Mexico; 

 species 60. ETYM. KOTV\T^, from the cwp-like leaf of some species. 



1. C. Umbil'icus, L. ; leaves peltate orbicular crenate, raceme long. 

 Rocks and walls, especially on the W. coasts from Argyle southwards ; ascend- 

 ing to 1,000 ft. in Wales ; throughout Ireland ; fl. June-July. Glabrous. 

 RooUtock tuberous. Stem 6-18 in., simple, stout, terete. Radical leaves 

 1-3 in. diam., petioled, depressed in the centre ; cauline spathulate, upper 

 cuneate. Raceme continued almost throughout the stem, sometimes luafy 

 (var. foliosa) ; bracts minute ; pedicels short, slender. Flowers close-set 

 drooping, green. Corolla cylindric, shortly 4-5-lobed. Stamen* adnate to 

 the corolla-tube, included. DISTRIB. Europe from France southwards, W. 

 Asia, Mts. of N. and trop. Africa. 



3. SE'DUM, L. ORPINE, STONECROP. 



Succulent herbs, erect or prostrate. Leaves opposite alternate or whorled. 

 Flowers cymose, rarely axillary and solitary, sometimes dioacious. Calyx 

 4-5-lobed. Petals 4-5, free. Stamens 8-10, alternately opposite and 

 often adnate to the petals. Scales 4-5, entire or notched. Carpels 4-5, 

 free or connate at the base ; styles short ; ovules many. Follicles many or 

 few-seeded. DISTRIB. N. temp, and cold regions, rare in America ; species 

 120. ETYM. scdeo, from the squatting habit of the species. 



SECTION 1. Tele'phium. Rootstock stout, perennial. Stems annual. 

 Leaves broad or concave. 



1. S. Rhodi'ola, DC. ; leaves alternate sessile, flowers 8-merous dicecious. 

 RJwdi'ola ro'sea, L. Rose-root. 



Moist alpine and subalpine rocks, from S. Wales northwards ; ascending to near 

 4,000 ft. in the Highlands, also on maritime rocks in Scotland ; common in 

 Ireland ; fl. May-Aug. Rootstock 2-3 in., as thick as the thumb, branched, 

 woody, cylindric, scent of roses ; buds scaly. Stems 6-18 in., fleshy. /,. ,>,-,.< 

 1-1 in., glaucous, larger and more crowded upwards, obovate-oblong or 

 lanceolate, acute, toothed at the tip. Cymes compact, corymbose. i'ln,<-, , 

 1 in. diam., yellow or purplish. Sepals narrow. Petals linear, smaller or 

 in the female flower. Sntles notched. DISTRIB. W. Europe (Arctic), Hima- 

 laya, E. and W. N. America. 



2. S. Tele'phium, L. ; leaves subsessile, flower 5-merous hermaphro- 

 dite. Orpine. 



Stony hedgebanks and copses, &c. from Argyle southwards, local ; ascend- 

 in Ire" 



u iv, oloi 

 6-24 in., stout, green or spotted red. Leaees 1-3 in., rarely opposite below, 



, . , - 



ing to 1,2')0 ft. in Yorkshire ; very rare in Ireland ; often a garden escape ; 

 fl. July-Aug. Rootxtock short, stout ; roots many, elongate, tuberous. Si* ///.< 



ovate or oblong, obtuse, flat or concave, obtusely toothed or serrate, f ;// 

 dense, corymbose. Flowers $ in. diam., rosy white or speckled. .v. v //.v 

 ovate-lanceolate. Petals twice as long, lanceolate. DISTKIB. Europe, 

 Siberia to Kamtschatka, W. Asia to the Himalaya. 



YAH. 1. pvtpvraJeau, Koch(sp.); upper leaves sessile rounded at the base, 

 carpels furrowed at the back. VAR. 2, Falm'ria, Koch (sp.) ; more slender, 

 upper leaves all cuneate at the base, carpels not furrowed. Common. 



