r-34i .) 
TORMENTI'LLA* * 
Linnean Class and Order. Icosa'ndria f, Polygy'nia. 
Natural Order. Rosa'ce.t. +, Juss. Gen. PI. p. 334. — Sm. Gram, 
of Bot. p. 171. — Lindl. Syn. p. 88.; Introd. to Nat. Syst. of Bot. 
p. 81. — Rich, by Macgilliv. p. 528. — Loud. Hort. Brit. p. 512. ; 
Arbor, et Frutic. Brit. v. ii. p. 670. — Don’s Gen. Syst. of Card, and 
Bot. v. ii. p. 523. — Mack. FI. Hiber. p. 85. — Hook. Brit. FI. (4ih ed.) 
p. 404. — Rosales ; sect. Rosing: ; subsect. Rosiana: ; type, Ro- 
sacea; ; subtype, FragariD/E ; Burn. Outl. of Bot. v. ii. pp. 614, 
683, 699, & 700. — Senticos.e, Linn. 
Gen. Char. Calyx (see fig. 1.) inferior, permanent, of 1 sepal, 
in 8 deep segments ; the 4 outer ones alternate with the inner, and 
narrowest. Corolla (see fig. 2.) of 4 inversely heart-shaped, spread- 
ing petals, which are opposite to the outer segments of the calyx, 
and attached by their very short claws to its rim. Filaments (see 
fig. 4.) 16 or more, awl-shaped, upright, attached to the rim of the 
calyx, not half the length of the corolla. Anthers roundish, up- 
right, of 2 cells, bursting lengthwise. Germens (see fig. 1.) superior, 
about 8, roundish, small, smooth, collected into a round head. 
Styles (see fig. 5.) thread-shaped, short, upright, one to each ger- 
men, lateral, deciduous. Stigmas blunt. Seeds (nuts) egg-shaped, 
naked, very obscurely and partially wrinkled, smooth, placed upon 
a small, depressed, densely hairy, dry, permanent receptacle. 
Distinguished from other genera, in the same class and order, 
by the 8-cleft calyx; the 4-petalled corolla; the naked, smooth, 
beardless seeds ; and the small, dry receptacle. 
It differs from Potentilla,w'tt\i which some authors unite it, only 
in the number of the parts of the flower (see folio 313). 
Two species British. 
TORMENTI'LLA OFFICINA'LIS. Officinal Tormentil. Com- 
mon Tormentil. Septfoil. 
Spec. Char. Stem ascending, branched. Leaves ternate, all 
sessile ; leaflets spear-shaped, deeply serrated. Stipulas cut. 
Engl. Bot. t. 863. — Curt. FI. Lond. t. 337. — Sm. FI. Brit. v. ii. p. 552. ; Engl. 
FI. v. ii. p. 427. — With. (7th ed.) v. iii. p. 636 — Hook. But. FI. p. 253. — Davies’ 
Welsh. Bot. p.51. — Purl. Midi. FI. v. i. p.240. — Kelh. FI. Cant. (3rd edit.) p. 
206. — Hook. FI. Scot. p. 164. — Johnst. FI. Berw. v. i. p 116. — Winch’s FI. of 
JJorthumb. and Durh. p. 35. — Walker’s F’l. of Oxf. p. 145. — Dick. FI. A bred, 
p. 41. — Irv. Lond. FI. p. 189.— Luxf. Reig. FI. p. 45. — Cow. FI. Guide, p. 51. — 
Mack. Cat. PI. lrel. p. 50. ; FI. Hibern. p. 94. — Tormentilla erecta, Linn. Sp. 
PI. p. 716. — Huds. FI. Angl. (2nd edit.) p. 225. — W il Id. Sp. PI. v. ii. pt. ir. p. 
11 12. — Light. FI. Scot. v. i p. 272. — Relli FI. Cant. (1st edit.) p. 198. — W'oodv. 
Medical Bot. v. i. p. 27. t. 9. — Thornt. Fam. Herb, p.503, with a figure. — 
Tormentilla, Ray’s Syn. p.257. — Johns. Ger. p. 992. — Potentilla Tormentilla , 
Fig. 1. Calyx and Germens. — Fig. 2. Corolla. — Fig. 3. A Petal. — Fig. 4. Calyx, 
Stamens, and Pistils. — Fig. 5. Germen, Style, and Stigma. — Fig. 6. Seed. 
* From tormina, the dysentery, in the cure of which it was employed on ac- 
count of its astringent qualities. Hooker. 
t See folio 100, note +. 
i See folio 313, a. 
