628 ARBORETUM ET FRUTICETUM BRITANNICUM. 



ground, in consequence of which they are all easily transplanted when young, 

 and injurious to plants growing under them when full grown. The genera are 

 arranged in 3 sections. 



Sect. I. OLE V IN/E. 



Sect. Char. Corolla short, monopetalous, campanulate or urceolate, 4-cleft. 

 Stamens 2, with short filaments, and erect anthers. Fruit drupaceous. 

 Shrubs with simple leaves, more or less coriaceous, and in some species 

 evergreen. 



LIGU'STRUM Tourn. Corolla funnel-shaped. Stamens enclosed. Stigma 



bifid. Berry globose, containing two chartaceous nuts. 

 PHILLY'REA Diosc. Corolla campanulate. Stamens a little exserted. Stigma 



thickish. Berry globose. 

 CHIONA'NTHUS Lin. Calyx 4-parted. Segments of corolla linear. Stamens 



enclosed. Stigma trifid. Drupe containing a striated 1 -seeded nut. 



Sect. II. SYRI'NGE&. 



Sect. Char. Corolla funnel-shaped or campanulate, 4 5-parted. Stamens 

 2, short. Fruit capsular, 2-celled. Deciduous shrubs. Leaves simple. 



SYRI'NGA Lin. Calyx 4-toothed. Corolla funnel-shaped, 4-parted. Stamens 

 enclosed. Stigma bifid. Capsule 2-celled, 2-valved. Seeds compressed, 

 with membranous margins. 



FONTANE^S/J Labill. Calyx 4-parted. Corolla of 2 petals. Stamens elon- 

 gated, and stigma bifid. Capsule papery, indehiscent. Cells 1 -seeded. 



Sect. III. FRAXINJE\E. 



Sect. Char. Flowers polygamous. Calyx 4-parted or wanting. Stamens 2, 

 short. Anthers dehiscing externally. Stigma nearly sessile, bifid. Fruit 

 2-celled, compressed, winged at the top* usually 1-seeded. Trees deci- 

 duous, with compound leaves. 



.FRA'XINUS Tourn. Flowers polygamous. Petals wanting. Samara l-celled. 

 O'RNUS Pcrs. Flowers hermaphrodite or polygamous. Petals 4. Samara 

 2-celled. 



Sect. I. OLE S IN^. 

 GENUS I. 



ZJGU'STRUM Tourn. THE PRIVET. Lin. Syst. Diandria Monogynia. 



Identification. Tourn. Inst., t. 3G7. ; Lin. Gen., No. 9. ; Don's Mill., 4. p. 44. 



Synonymcs. Troene, Fr. ; Rainweide, Ger. 



Derivation. Said to be from ligo, to tie ; in reference to its flexible branches. 



Gen. Char. Calyx short, tubular, 4-toothed. Corolla funnel-shaped, with the 

 tube exceeding the calyx, and the limb 4-parted. Stamens 2, with short 

 filaments, inserted into the tube of the corolla. Style very short. Stigma 

 obtuse, bifid. Berry globose, containing 2 chartaceous 1-seeded nuts. 

 Albumen hardish. Embryo inverted. (Don's Mill.) 



Leaves simple, opposite, ex stipulate, evergreen or deciduous ; entire, gla- 

 brous. Flowers terminal, compound, in thyrsoid racemes. Shrubs or low 

 trees ; natives of Europe or Asia. 



Readily propagated by cuttings in common soil. 



