TREES AND SHRUBS 



BLADDER SENNA, Colutea arborescens. 



Gardens, shrubberies, plantations. May — August. Does well in sandy 

 soil. A quickly-growing shrub with yellow flowers succeeded by bladder- 

 like pods with a reddish tinge. Propagated by cuttings of firm shoots in 

 sandy soil in October; seeds sown outdoors October or March. 



Flowers yellow, papilionaceous, in an axillary raceme of about G flowers 

 on long peduncles ; Calyx campanulate, teeth acuminate ; Stcmdard orbicular, 

 with orange blotch, wings small, oblong-lanceolate ; Stamens diadelphous ; style 

 long, curved, hairy ; Fruit a legume, inflated, tinged with red. 



Leaves alternate, imparipinnate, leaflets 9-15, elliptical, refuse, entire, 

 ciliate, underside paler green, densely hairy. 



A deciduous shrub, 6-12 ft.; rapid in growth; Twigs terete, green; 

 Bark smooth ; Lenticels numerous, horizontal. 



Native of Mediterranean region ; introduced 1570. 



ORIENTAL BLADDER SENNA, Colutea cruenta. 



Gardens, shrubberies. June, July. 



Flowers copper-red, papilionaceous, in a 3-6 flowered axillary raceme, 

 little shorter than leaves ; Standard with yellow spot at base ; Fruit a 

 legume, dry, membranous, oval, inflated, opening at the point, green; tinged 

 with red, ripe in August. 



Leaves alternate, imparipinnate, leaflets 9-13, obovate, emarginate or 

 slightly lobed at apex, rounded at base, bright glaucous green above, downy 

 beneath, inserted widely apart ; petiole pubescent ; stipules small. 



A deciduous shrub, 4-8 ft. ; many stemmed, round headed ; young shoots 

 pubescent. 



Native of Iberian Peninsula and Levant; introduced 1731. Syns. 

 C. orientalis, C. sanguinea. 



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