lOS RUTACE^. 



Brazilian tree belonging to the same natural order. Maisch ^ was the 

 first to draw attention to this " neio false Angostivra hark!' It is at 

 once distinguished by being devoid of aromatic properties ; its taste is 

 purely bitter. 



FOLIA BUCHU. 



Folia Baceo; Biichw, BuccJiw, Bucha or Bitha Leaves; F. Fetiilles ch 



Biiceo; G, Bukubldtter, 



Botanical Origin— The Buchu leaves are afforded by three species 

 of Barosmar The latter are erect shrubs some feet in height, with 

 glabrous roddike .branches, opposite leaves furnished with conspicuous 

 oil-cells on the toothed mar^iin as well as o-enerally on the under 

 surface. The younger twigs and several parts of the flower are also 

 provided with oil-cells. The white flowers with 5-partite calyx, and 

 the fruit formed of five erect carpels, are often found, together Avitn 

 small leafy twigs, in the drug of commerce. . . 



The leaves of the three species referred to may be thus distni- 



guished 



vsma 



al 



or obovate, obtuse, narro\Yed towards the base into a distinct petiole; 

 margin sqrndate or crenulate; dimensions, | to 1^ inches long, fV ^o 

 tV of an inch wide. 



2. B. serratifolia Willd.— Linear-lanceolate, equally narrowed to- 

 wards eitlier end, three-nerved, apex truncate always furnished yifj 

 an oil-cell; margin sharply serrulate; 1— li inches long by about fo*^^ 



an inch wide. 



3. B. hetulina Bartling.— Cuneate-obovate, apex recurved; mai'gj" 

 sharply denticulate, teeth spreading ; i to f of an inch long by is 

 tV WKle. Substance of the leaf more harsh and rigid than in the pre- 

 ceding. 



B crenulata and J5. heMina grow in the Divisions of Clanwilliai" 

 and ^\ orcester, north and north-cast of Cape Town, and the former ev en 

 on lable Mountain close to the capital; B. serrafifoUa is found m t" 

 Dnision of Swellendam farther south. 



History—The use of Buchu leaves was learnt from the Hottentots 



>y the colonists of the Cape of Good Hope. The first impo^^^^'^'tho 

 the di-ug were consigned to the house of Reece & Co., of London, ^^^ 

 introduced it to the medical profession in 1821.=^ The species appea 

 to have been B. crenulata. 



Description— In addition to the characters already pointed ouM^e 

 may observe that buchu leaves of either of the kinds mentioned '^ 

 smooth and glabrous, of a dull yellowish-grccn hue, somewhat pa ^ 

 on the under side, on which oil-cells in considerable number are p 



ceptible. 



cek' 



Ihe leaves of B. cremdcda vary in shape and size in different pare 

 in some the leaves being larger and more elongated than in ot^ei^j Pj,^ 

 bably according to the luxuriance of the bushSs in particular locality 



' ^1^. Jounu of Pharm. 1874. 50 • 

 also }.cn-6ooiy/P/,ar,n. 1874. 91 ' 



* rom ^apv,, heavy, and 6<r,,i, odour. 



of //«« 



Feb. 1821. 799. 



'1 



