( 391 .) 
RHODl'OLA* *. 
Linnean Class and Order. Dice'cia f, Octa'ndria J. 
Natural Order. Crassula'ceg, De Cand. — Lindl. Syn. p. 63. ; 
Introd to Nat. Syst. of Bot. p. 161. — Rich, by Macgilliv. p. 614. — 
Loud. Hort. Brit. p. 516. — Don’s Gen. Syst. of Gard. and Bot. v. iii. 
p. 97. — Mack. FI. Hibern. p. 59. — Cra'ssula:, Juss. Diet. des. Sc. 
Nat. v. xi. p. 369. — Succule'nt.e, Linn. — Vent. Tabl. v. iii. p. 
271. — Sempervivaj, Juss. Gen. PI. p. 307. — Sm. Gram, of Bot. 
p. 162 Rosales; sect. Crassulinve ; type, Crassulacee ; 
Burn. Outl. of Bot. v. ii. pp. 614, 730, & 735. 
Gen. Char. Sterile Flower (fig. 1). Calyx (see fig. 2.) con- 
cave, in 4 deep, equal, spreading, permanent segments. Corolla 
(see figs. 2 & 3.) of 4 spear-shaped, bluntish, moderately spreading, 
deciduous petals, much longer than the calyx, and alternate with 
its segments. Nectaries 4, glandular, notched, opposite to the 
petals, shorter than the calyx. Filaments (see fig. 2.) 8, awl-shaped, 
equal in length to the petals. Anthers roundish. Rudiments of 
4 germens, more or less perfect, with abortive styles and stigmas. — 
Fertile Flower (see figs. 4 & 5). Calyx as in the sterile flower. 
Corolla less developed, variable in length. Nectaries as in the 
sterile flowers. Stamens none. Germens (see fig. 5.) 4, superior, 
upright, oblong, triangular, each terminating in a short, thick, sim- 
ple style (see fig. 7). Stigma blunt. Capsules (fig. 6.) 4, pointed, 
bursting at the inner margin, of 1 cell. Seeds roundish, numerous, 
ranged along the inner margin, at each side. 
The sterile flower with a 4-parted calyx, 4 petals, and 4 notched 
glands ; and the fertile flower with a 4-parted calyx, 4 petals, 
4 notched glands, 4 germens, and 4 many-seeded capsules; will 
distinguish this from other genera in the same class and order. 
One species British. 
RHODIOLA ROSEA. Rose-smelling Rose-root. Mountain 
Rose-root. Rose-wort. 
Spec. Char. Stem simple. Leaves oblong, serrated at the tip, 
smooth, glaucous. Root rather tuberous. Flowers corymbose, 
usually of 4 petals. 
Engl. Bot. t. 508. — FI. Dan. t. 183. — Linn. Sp. PI. p. 1465. — Huds. FI. Angl. 
(2nd ed. ) p. 434. — Willd. Sp. PI. v. iv. pt. II. p. 807. — Sin. FI. Brit. v. iii. p. 1082. ; 
Engl. FI. v. iv. p. 246. — With. (7th ed.) v. ii. p. 505. — Hook. Brit. FI. p. 437. — 
Lightf. FI. Scot. v. ii. p. 619. — Hook. FI. Scot. p. 289. — Johnst. FI. Berw. v. i. 
p. 220. — Winch’s FI. of Northumb. and Durli. p. 64. — Trevel. Faroe Isl. p. 8. — 
Irv. Lond. FI. p. 291. — Mack. Catal. PI. of Irel. p. 86. ; FI. Hibern. (Addenda) p. 
255. — Sedum Rhodiola, Lindl. Syn. p. 64. — Don’s Gen. Syst. of Gard. and Bot. 
v. iii. p. 114. — Macr. Man. Brit. Bot. p. 88. — Sedum dioicum, Gray’s Nat. Arr. 
v. ii. p. 539. — Anacampseros radice rosam spiranle major, ltay’s Syn. p. 269. — 
Jihodia radix, Bauh, Pin. p. 286. — Johns. Gerarde, p. 532. — Merr. Pin. p. 104. 
Figs. 1 , 2, & 3. Sterile Flowers. — Figs. 4 & 5. Fertile Flowers. — Fig. 6. Fruit. — 
Fig. 7. A Gennen, and Gland. 
* From rodoti, Gr. a rose ; in reference to the fragrance of the roots. Don. 
t See folio 143, note t. } See folio 42, note t. 
