( 171 .) 
MARIIU'BIUM* * 
I Annean Class and Order. Didyna'mia f, Gymnospk'rmta +. 
Nulural Order. Labia'tje^, Juss. Gen. PI. p. 110. — Sm.Gr.of 
Bot. p. 99. Engl. FI. v. iii. p. 63. — Lindl. Syn. j). 196. ; Introd. to 
Nat. Syst. of Bot. p. 239. — Bentham, in Bot. Regist. (1829). — Rich, 
by Macgill. p. 439. — Loud. Hurt. Brit. p. 528. — Verticillat2e of 
Linmeus. — Syuingales; subord.PRiMULosAi ; sect. Menthin2e; 
type, Mentiiaceas, or Labiate ; subtype, Nepetid/e; Burn. 
Outl of Bot. v. ii. p. 900, 958, 968, & 973. 
Gen. Char. Calyx (figs. 1 &2.) inferior, permanent, of 1 sepal, 
tubular, cylindrical, with 10 furrows ; and 10, in some species only 
5, narrow, spreading teeth ; throat hairy. Corolla (figs. 3 & 4.) 
of 1 petal, ringent (gaping) ; tube cylindrical, a little longer than 
the calyx ; limb spreading, 2-lipped ; upper lip straight, narrow, 
and cloven ; lower lip broadest, 3-lobed, middle lobe the largest 
and emarginate. Filaments (see fig. 3.) 4, 2 longer than the other 2, 
all much shorter than the corolla, and sheltered under the upper 
lip. Anthers small, oblong, (lei'mcn (fig. 5.) roundish, 4-lobed. 
Style (see fig. 3.) thread-shaped, as long as the stamens. Stigma 
(see fig. 3.) cloven, pointed. Seeds (fig. 6.) 4, elliptic-oblong, in 
the bottom of the hardened calyx, which is contracted at the orifice 
(see fig. 1). 
Distinguished from other genera, in the same class and order, by 
the regular calyx with 10 furrows ; and the straight, strap-shaped, 
cloven, upper lip of the corolla. 
One species British. 
MARRU'BIUM VULGA'RE. Common White Horehound||. 
Spec. Char. Stem upright. Leaves roundish egg-shaped, un- 
equally toothed, wrinkled. Calyx with 10 bristle-shaped teeth, 
which are hooked backwards. 
Enid. Bot. t. 410. — Woodv. Med. Bot. v. ii. p. 265. t. 97. — Stephenson and 
('hurchiH’s Medical Botany, v. iii. t. 135. — Linn. Sp. PI. p.81G. — lluds. FI. 
Ariel. (2nd ed.) p. 261. — Sm. FI. Brit. v. ii. p.636. Kniil. FI. v. iii. p. 103. — 
With. (7th ed.) v. iii. p.717. — Gray’s Nat. Air. v. ii. p. 380.— Lindl. Syn. p. 
201. — Hook. But. FI. p.279. — Light!. FI. Scot. v. i. p.315. — Sibth. FI. Oxon. p. 
187. — Abbot’s FI. Bed), p. 131. — Pint. Midi. FI. v. i. p. 273.; and v.iii. p.36’4. 
— Belli FI. Carnal). (3rd ed.) p. 243. — Dav. Welsh Bot. p. 58. — Hook. FI. Scot, 
p. 184. — Giev. FI. Edit). p. 133. — Kev. G. E. Smith s PI. of S. Kent. p. 32. — 
FI. Devon, pp. 100 & 145. — Johnst. FI. of Berw v. i. p. 133. — Walk. FI. ol’Oxf. 
p. 169. — Thornton’s Family Herbal, p. 573. — Perry’s PI. Varv. Selectai, p. 50. — 
Mack. C’atal. of PI. oflrel. p. 56. — Marriibium. album. Bay’s Syn. p.239. 
Localities. — I n dry waste ground, on commons, and by road sides. Not 
common. — Oxfordsh, On Bullington Green : Dr. Sibiiiorp. Marston-lane ; 
and behind the Parks: Rev. R. Walker. In Witney Churchyard; and at 
Handborough : Rev. Dr. Mavou. On Oakley Common, scarce: G. Wood- 
ward, Esq. I have seen a few solitary plants in the neighbourhood of Oxford, 
by the side of the road going to Cowley ; in the' Gravel-pits at Yarnton ; and 
on the side of the Abingdon road between Hinksey Foil-gate and the road to 
Figs 1 & 2. The Calyx. — Fig. 4. Corolla. — Fig. 3. A vertical section of 
ditto, showing the stameus and pistil.— Fig. 5. Germen. — Fig. 6. A Seed.— All, 
except fig. 6, muynified. 
* Name oi doubtful origin ; some say from a town so called in Italy. IIooker. 
t See Lamiurn album, folio 31 , note f. 
{ See folio 31, note and also the2nd page of the same folio, 
ii See folio 86, a, and 94, a. 
(I Front the whiteness of the leaves ; hore means in Saxon white. Tiiohmon. 
