48 



DIERVILLA, Toitrn. (Wcigelia, Thunb.) 

 aniabilis, Tluuib. ; sh. ; China. A.B. 

 jaj^onica, DC. ; sh. ; Japan. A. 

 purpurata. B. 



rosea, Lindl. ; sh. ; Cliiiia. A.B. 

 var. variegata. B. 



Order BUBIACE^. 



(Madder Family.) 



This is economically an order of great importance, as it contains many plants possessing high 

 medicinal value, besides valuable dyes, the coffee, and several fruits. 



Series A. 



Tribe Naucleeje. 



SARCOCEPHALUS, Afzel. 



cordatus, Miq. ; Leicliliardt-tree ; tr. ; East India and Queensland. A.B. 



esculentus, Afzel. ; Sierra Leone Peach or Fig ; cl. ; Tropical Africa. 



The fruit eaten and much sought after by the negroes. This plant is also known under the 

 following names :— Cephaliua esculenta, and C. scandens ; also Nauclea latifolia and N. sambucina. 



NAUCLEA, Linn. 



orientalis, Linn. ; tr. ; East India. B. 



Tribe Cinchone^;. 

 CINCHONA, Linn. 



Calisaya, Weddell; Yellow- bark ; tr. ; South America. B. 



This yields the most valuable bark, rich in alkaloids, among which quinine forms one-half to 

 four-fifths. 



officinalis, Linn. ; Loxa or Crown Bark ; tr. ; South America. A.B. 



The bark is rich in alkaloids, of which more than one-half is quinine. 



succirubra, Pav. ; Red-bark; tr. ; South America. A.B. 



Comparatively poor in quinine, though rich in cinchonine and cinchonidine. From this 

 species is chiefly derived the " cinchona alkaloid," which is now largely manufactured at the 

 Government plantation of Rangbi. — Gamble's Indian Timbers. 



HYMENODICTYON, Wall. (Cinchona excelsa, Boxb.) 

 excelsum, Wall. ; tr. ; East India. A. 



The inner bark is bitter and astringent, and used as a febrifuge, and for tanning. Weight of 

 cubic foot of wood, about 33 lbs. 



BOUVARDIA, Salisb. 



Alfred Neuder ; und. shr. B. 



Bridal Wreath. 



candidissima. Sort. ; und. shr. B. 



elegans ; und. shr. B. 



Hogarthii, Sort. ; und. shr. B. 



Humboldtii corymbiflora ; und. shr. B. 



Jacquinii, Sumb. et Bonpl. ; und. shr. ; South America. B. 



leiantha, Benth. ; und. shr. ; Mexico. B. 



longinora, Rumb. et Bonpl. ; und. shr. ; Mexico. B. 



Orinamme ; und. shr. B. 



triphylla, Salisb. ; und. shr. ; Mexico. B. 



umbellata ; und. shr. B. 



var. alba Vrielandii ; und. shr. B. 

 Van llouttii, Sort. B. 



