27 



ORDER XXXIV. LINEiE. 



The only species of the family which has much commercial value 

 is the common " Flax," lAnum usitatissiniuw , which is indigenous in 

 the South of Europe, and cultivated in many countries, and, as is weU 

 known, the seeds yield "Linseed" oil. Some of the species have been 

 used medicinally, and many are cultivated as ornamental plants. 



Number of species about lo5. 



(Ex. Flax.) 

 Stamens as many as petals. Herbs. Linum. 



Stamens twice as many as petals. Shrubs. Erythkoxylon. 



LrsT OF Species. 

 1 Linum. Liim. ^ Erthroxylon 



Thunbergii, E. ^' Z. B. emarginatum, Thonn A R. 



monogynum, Roxb. B. 



pictum, E.M. AB. 



ORDER XXXVI. MALPIGHIACEJi]. 



Tropical or subtropical plants, not having any special economic 

 value. 



Number of species nearly 600. 



(Ex. Umabope.) 

 Flowers racemose, large, yeUow. Acridocarpus. 



Flowers umbellate, smaller, yellow. Sphedamnocarpus. 



List of Species. 

 ] Acridocarpus, Guill 4* Per. 2 Sphedamnocarpus, Planch, 



nat'cxlithis. Jus.?. AB. galphimioefolius, ^. /?m. A. 



pruriens, A. Juss. AB. 



ORDER XXXVII. ZYGOPHYLLEyE. 



Perhaps the most useful plant of this Order is Guaicum officinale, 

 the wood of which is known as " Lignum vitjp," and a resinous iuice 

 obtained from the same species has been used medicinally. Our only 

 species is a nojiious weed. Nujnber of species about 100,^ 



