284 WEEDS AND USEFUL PLANTS. 



Orderly. OLEA'CE^. (Olive Family.) 



Trees or shrubs with opposite simple or odd-pinnate leaves and perfect and complete or 

 sometimes apetaloiis and dicEcious^/?owers, in terminal and axillary racemes or panicles. 

 Calyx 4-Iobed or 4-tootbed, mostly jpersistent, rarelj^ obsolete. Corolla 4-cleft, or of 4 dis- 

 tinct petals — sometimes wanting ; {estivation mostly valvate. .Stemejw usually 2. Fruit 

 various— baccate, drupaceous, capsular or samaroid, — '2-celled, and by abortion often 

 1-celled and 1 - 2-seeded. Seeds pendulous, mostly albuminous, 



A small but interesting Order. Olives and Olive oil are afforded by the genus (Olea) 

 which is the type of the family, — the pericarp, instead of the seed, yielding the oil. The 

 Manna of the shops is derived from a species of Ash. 



Fk;. I'l, A branch of Enslenia albida. 



