1202

ELEMENTS OF MATERIA MEDICA.

properties of the herb depends, is driven off in the process, lea'®othe bitter extractive. It is tonic, but inferior to extract of chain 0 ® 1Dose, grs. x. to 9j.

•vcral

constib lte

Baros’ma, Willdenow .—Various Species, E.

Dios'ma crena'ta, Dec. L. D.

Sex. Syst. Pentandria, Monogynia.

(Folia, L . Z>.—Leaves, E.)

History.— The natives of the Cape of Good Hope employ se' 1 ^species of Barosma, on account of their odoriferous and medicinal p ^]>erties. 'l'he Hottentots employ a powder, composed of the leavesvarious odoriferous plants (principally Barosmas), under the naI1 !fBookoo or Buku, for anointing their bodies (Burchell, Travels in S°. 0 ,

Africa, vol. i. p. 479, and vol. ii. p. 59). Barosma crenata was ® ^

duced into the botanical gardens of this country in 1774, but it wasemployed in medicine until 1823. —-j.

Botany. Gen. Char. — Calyx five-cleft or parted; dotted. ■lining the bottom of the calyx, generally with a short, scarcely p r °nent, rim. Petals five, with short claws. Filaments ten; the five 0 Pjj iesite the petals sterile, petaloid, sessile, ciliated, obscurely glandular atapex ; the other five longer, smooth or hispid, subulate, with the anusually furnished with a minute gland at the apex. Style as long aSpetals. Stigma minute, five-lobed; ovaries auriculate at the a P^jusually glandular and tuberculated. Fruit composed of five cocci c°' ^

with glandular dots at the back ( Lindley). — Shrubs. Leaves °pP°flat, smooth, dotted. Flowers stalked, axillary.

Species. — The leaves of several species of BarosmaBuchu or Bucku. ^

1. Baros'ma crenula'ta, Willd .; Diosma crenulata, Linn.; D °° 0 gSDecandolle; D. latifolia, Loddiges; D. serratifolia, Burchell. -y " f0ovate-oblong, crenate, smooth, glandular. Pedicels solitary, with obracts immediately under the flower {Dec .)—Upright shrub, between ^and three feet in height; branches brownish-purple. Leaves ab° ^inch long, oval-lanceolate, on very short petioles, very obtuse, deb .j eand minutely crenated, quite glabrous, rigid, darkish-green, an ° * a j er ,smooth above, with a few very obscure oblique nerves, beneath V xedotted with glands which are scarcely pellucid, while at every ere

is a conspicuous pellucid gland: there is also a narrow pellucid J® ® 0 fround the whole leaf. Peduncles about as long as the leaf. ^ j) g v efive ovate-acuminate leaflets, green, tinged with purple. Corolla °,Q on .ovate petals, purple in bud, blush-coloured when fully expanded,densed from Hooker, Bot. Mag. t. 3413).—Cape of Good H°P e -

2. Baros'ma crena'ta, Ecklon and Zeyher, Enum. PI- Af r ' ^ ea res

i. 102, 1805; Dios'ma crena'ta, Decandolle, Loddiges, L. D- ^ ar gin-ovate [or obovate] acute, dotted, glandulose-serrate at the j 0 nPedicels solitary, somewhat leafy ( Decand.)—Flowers pink, term 111 ’short leafy branches.—Cape of Good Hope . Jje0 e$

3. Baros'ma serratifo'lia, Willd., Decandolle, Loddiges.-j^^glinear-lanceolate, serrulate, smooth, glandular. Pedicels solitary)

two leaflets above the middle [Decand.)—Leaves acuminate, threeFlowers lateral, white.—Cape of Good Hope .