546 



CXLII. QLETNE^E. 



OHve. 



Fruit cut, showing 

 the Btone. 



Olive. 

 (Oleaeurop<ea.) 



OUve. 

 Calyx and pistil. 



Olive. 



Berry cut vertically 

 (mag.). 



COROLLA 4-merous, monopetalous or sub-poly petalous, hypogynous, anisostemonous, 

 aestivation valvate. STAMENS 2, inserted on the corolla. OVARY 2-celled ; OVULES 

 pendulous, anatropous. FRUIT a capsule, berry or drupe. EMBRYO albuminous, axile ; 

 RADICLE superior. STEM woody. LEAVES opposite. 



TREES or SHRUBS. LEAVES opposite, petioled, simple or rarely imparipinnate, 



exstipulate. FLOWERS $ , rarely dioecious and apetalous, in a raceme or trichotomous 



panicle, sometimes fascicled, pedicels opposite. CALYX monosepalous, 4-lobed or 



-toothed, sometimes obsolete. COROLLA hypogynous, of 4 petals united at the base 



in pairs by the filaments, or clearly garaopetalous, infundibuliform or sub-cam- 



panulate, aestivation valvate, very rarely (Ash, Olive). STAMENS 2, inserted on the 



corolla and alternate with its lobea ; anthers 2-celled, introrse, dorsifixed, dehiscence 



longitudinal. OVARY free, 2-celled, cells alternating with the stamens ; style simple 



or ; stigma undivided or 2-fid ; ovules collateral, pendulous from the top of the 



septum, rarely 3 with the 2 lateral arrested (Ash), sometimes numerous, 2-seriate 



(Forsythia), anatropous, raphe dorsal. FRUIT various : either a drupe and often 



1-celled and -seeded (Olive), or a 2-celled berry (Privet), or a loculicidal capsule 



(Lilac), or an indehiscent samara prolonged above into a foliaceous wing (Ash). 



SEEDS pendulous, generally more or less compressed. EMBRYO straight, in the axis 



of a thick fleshy or sub-horny albumen ; cotyledons foliaceous ; radicle cylindric, 



superior. 



SUB-ORDER I. OLEINE.E VERJB. Fruit a drupe or berry. 



PRINCIPAL GENERA. 

 Olea. " Chionanthus. Linociera. Notelsea. * Phillyrea. 



* Ligustrum. 



SUB-ORDER II. FRAXINE.E. Fruit an indehiscent samara or a 2-valved loculicidal 

 capsule. 



PRINCIPAL GENERA, 

 Fruxinus. * Syringa. * Forsvthia. * Fontanesia. 



