MONOCHLAMYDEJE. 



199 



4. EL^AGNACEJE (Elseagnus angustifolia) Oleaster. 



Some foreign species of the 

 Oleaster are extremely fragrant, 

 and others, especially those of 

 India, produce a fruit of a 

 pleasant taste and is there eaten. 

 The Sea Buckthorn (Hippopha3 

 Ehamnoides) is the only Eng- 

 lish species. 



Oleaster. 



5. THTMELACE^E (Daphne pontica) Spurge Laurel. 



Some species of this order are 

 cultivated in gardens and are 

 very fragrant, others partake of 

 a poisonous quality; the Daphne 

 mezerium, the bark of which is 

 very acrid, is used in medicine, 

 and forms one of the ingredients 

 in the celebrated compound 

 decoction of Sarsaparilla. 



Spurge-Laurel. 



6. COKYLACE^; (Castanea vesca) Sweet Chestnut. 

 (Quercus pedunculata) Oak. 

 (Corylus avellana) Hazel Nut. 



This order contains some of our finest trees ; the Oak, 

 that prince of trees, is of this order. It attains a great 

 age and size, and there are some celebrated specimens 



