4 COMMEHCIAL BOTANY. 



1809.- — Quassia wood [Ficriena excelsa) introduced as a medicine. 



Belladonna leaves {Atropa Belladonna) introduced as a 



medicine. 

 Cowhage [Mttctma pruriens) introduced as a medicine. 

 1813. — Cajuput oil {Melaleuca leucadendron, var. minor) introduced 

 about this time. 

 Patent granted for an invention for making fabrics air-proof 



by being treated with India-rubber or Caoutchouc. 

 The use of Ipecacuanha as a specific in dysentery confirmed in 

 England. 

 1819. —The development of the India-rubber trade commenced about 



this time. 

 1820. — Colchicum seeds [Colchicum autumnale) introduced as a 



medicine. 

 1821. — Buchu leaves (JBarosma cremtlata, B. serratifolia, and B, 



betulina) introdiiced as a medicine. 

 1825.— Eusa or ginger grass oil {Andropogon Sehimanthtis) introduced 



about this time for perfumery. 

 1826. — Vegetable ivory [Phytehphas macrocarpa) introduced about 



this period. 

 1829. — Indian tobacco (Lobelia inflata) introduced as a medicine. 

 1832. — Lemon grass oil {Andropogun citratus), introduced for per- 

 fumery. 

 1835.^Greenheart bark [Nectandra Sodicei) first received attention 



as a tonic and febrifuge. 

 1837. — Beetroot Sugar Refinery established at Chelsea. 



Gama grass or buffalo grass ( Tripsacum daetyloides) introduced 

 for fodder. 

 1839. — Cherry-laurel {Prunus Laurocerasus) introduced for mating 

 cherry-laurel water. 

 Cultivation of cinchona plants suggested in India. 

 Prom this period to 1841 Kousso [Hagenia ahyssiniea) attracted 

 some attention as an anthelmintic. 

 1840. — ^Tibet hay (Prangos pabularia) introduced as a fodder plant. 



Ordeal bean of Old Calabar (Physostigma veiteuosum) intro- 

 duced. 

 Ground nut {Arachis hypogtea) introduced. 

 First vineyard planted in S. Australia. 

 1842. — Tussock grass {Alra flabellata = Dactylis ctespitosa) introduced 

 as a fodder plant. 

 Jute {Corehorus eapaularis) introduced about this time. 

 Gutta-percha first brought to notice. 



