QuERNALES.] JUGLANDACE^. 293 



cinal purposes. The fruit of several kinds of Hickory is eateu in America. The timber 

 of all is valuable ; that of J. regia and nigra for its rich deep brown colour when 

 poUshed, and that of Carya alba, the common Hickory, for its elasticity and touglmess. 

 The seeds of Carya amai-a are too bitter to be eaten, but, combined \\ith oil of Chamo- 

 mile, are foimd useful in coUc. The Engelhardtias are very resinous ; E . spicata, a 

 large Java tree, as much as 200 feet high, has a pale bro\vn wood, hard and heavy, and 

 used ui Java for cart wheels, which are cut out of a single horizontal slab. 



Juglans, L. 

 Carya, Nutt. 



Ilicorius, Rafin. 

 Pterocarya, Nutt. 



GENERA. 



Engelhardtia, Lesch. 

 Pterilema, Rndwt. 

 Dammara, Rumph. 



Numbers. Gen. 4. Sp. 27. 



Cki'iTyacea. 



Position. . — Juglandace^. — Corylacese. 



Anacardiacece. 



