CENT. X. 141 



CENTURIA X. 



901. Citrus L. this appears a natural G, if 

 C. trifoliata be excluded ; but the sp. and var. 

 are numerous, not well distinguished and like so 

 many domestic trees in great perplexity, Du- 

 tour, Risso, Buchanan, Loureiro Slc have men- 

 tioned over 100 varieties, several so striking as 

 to be specific deviations: having seen many 

 alive I mean to indicate some of these real new 



% species. 



902. Citrus heterophyla Raf petiolis alatis, 

 fol. biformis, inf obovatis, superis lanceol. om- 

 nis acutis integris sepe albo marginatis, fruct. 

 levis subrot. dulcis Native of Tartary, often 

 called Turkish Orange, 



903. Citrus salicifolia Raf pet. alatis, fol. 

 onmis angusto lanceolatis acutis Is it a var. of 

 the last ? or of C. sinensis ? 



904. Citrus myrtifolia Raf pet. alatis, fol. 

 imbric. ovatis acutis subserratis the 3Iyrtle 

 Orange has small bitter fruits and short strong 

 thorns. China. 



905. Citrus rotundifolia Raf ramulis albis, 

 pet. alatis, fol. subrot. integris, nonulis undulatis, 

 fr. globoso called Poncire in French, all 

 Orange trees have green twigs except this, sev- 

 eral var. undulata, violaceo &.c. 



906. Citrus cedratus Raf pet. vix alatis, fol. 

 lanceol. acutis subdenticulatis, fr. ovoideis ver- 

 rucosis cortice crassa pulpa insipida. The Ced- 

 rats (or Citrons) are quite different from Oran- 

 ges, nearer to Shadocks, fruits large with yellow- 

 thick rough rind, pulp sw eetish without flavor. 

 Several var. inermis, melarosa^syriaca^ italica, 



907. Citrus bergamota Raf. pet. subalatis, 

 fol. ellipt. acutis, fr. globosis levis odoratis pulpa 



