Cotyledon.} liii. CRASsuLACEiE. (C. B. Clarke.) 417 



r 



,;V SiKKiM HiMAiAYA, alt. 10,000-12,000 ft, J. D. H. 



'^Sterns 3-6 in. high, throwing decumbent stolons from the base. Cauline leaves 

 t in. long, sessile. Petals united at base only. Stamens 5. Flowers sometimes 

 4-merous. Seeds ellipsoid, smooth, tailed. 





6. SEDUBK, Linn. 



- 



+ 



'Succulent herbs. Leaves alternate or rosulate, rarely opposite ; entire or 

 kciniate. Flowm^s cymose, hermaphrodite, or unisexual by abortion. Calyx 

 &-4-partite. Petals 5-4, free. Stamens 10-8, the alternate ones adnate to the 

 petals. Hypogj'nous scales quadrate or cuueate, entire or emarginate. Carpels 

 5-4, free or slicrhtlv united at base, narrowed into the styles : ovules verv numer- 



ous. Follicles 5-4:^ many-seeded. — Distrib. Species 130; mostly in the cold 

 and temperate regions of the northern hemisphere; one species is found in 

 Abyssinia and one in Peru. 



.i Sect. I. Rhodiola. Rootstock perennial, thick, suberect, with a crown 

 of scales from the axils of which rise the simple leafy annual stems carrying 

 terminal cymes. Flmvers dioecious or polygamous, often 4-merous, Pefak in 

 ^e males often much exceeding the sepals ; in the females shorter or narrower. 

 ^tyles usually short, recurved in fruit. Seeds oblong-ellipsoid, compressed, 

 testa loose produced beyond the end of the nucleus, often as a bent short tail, 



Cy7nes dense, not carrying hraets on the shwt branches (though there are 

 F^quently bracts at the base of the outer branches). 



- 1. S. Shodiola, DC. Prody\ iii. 401 ; leaves obovate or broadly oblong 

 ^ften toothed towards the apex, petals yellow, hypogynoua scales in the 

 ^ales oblong emarginate. Ledeb, FL Ross. ii. 179 ; H.f.8^ T. in Joum. Limu 

 ?oc. ii, 96, g imbricatum, H. f. ^^ T. in Joum. Linn. Soc. ii. 101. Rhodiola 

 gbricata, Edgw. m Trans. Linn. Soc. xx. 47. R. rosea, Zm?i. ; Fngl. Rot. t. 



y 



1^ Alpine Western HiMAu^TA ; from Kumaon to Kashmir, alt. 12,000-17,000 ft.; 

 "•equent.— DisTRiB. The arctic and alpine regions of America, Europe and Asia. 



Very glaucous. Rootstock having an odour of roses. Stems 3-15 in., thick, 

 ^^^'^s^-l^ in. long, imbricated (often very closely) from a narrow or broad base. 

 >^^€ densely congested. Sepals narrow oblong. Stamens long, exsert. Carpels in 

 r^t I in. long, not narrowed gradually at the base.— The examples of S, imbricatum 

 nave dioecious (or functionaUy dicecious) heads ; and the carpels have short recurved 

 ^^Jies, altogether as in Sect. RJwdiola. 



2. S. heterodontum, //. / ^ T. in Joum. Linn. Soc. ii. 95; leaves 

 ^^ate incise-dentate from a broad or cordate or auriculate base prominently white- 

 y^argined, flowers rose-coloured ? (ex H. f. & T.). S. serratum, Jacque^n. 



J. Temperate and Alpine Western Himaiaya, alt. 8000-14,000 ft.; Kashmir, 



'^quemnt ; Kunawur, T. Thomson ; Mandala, Cleghorn. . „ . , . 



.item 12-18 in. Leaves loosely imbricate. Cym: very dense, especially in fruit. 



^"lemse a^ees closely TV'ith S. Rhodiola, of which H. t. & T. suggest it may be a 

 »;anety.- •' 



an^ '^^^'^ oblong sessile crenulatea, c^mco dcdoixc ^^^^^^^^^ -.j k.^,v. 



"^"i outer leaf-like bracts, sepals purple narrow-oblong, petals rose-coloui 



1 t 



h - 



- f ' 



