SYNOPSIS OF THE FAMILIES XV 



LV. Styraceae (p. 754). Flowers perfect ; calyx 4-toothed ; corolla 4-lobed or divided 

 nearly to the base ; ovary partly inferior ; fruit a drupe ; leaves simple, alternate, without 

 stipules, deciduous ; pubescence mostly scurfy or stellate. 



LVI. Oleaceae (p. 757). Flowers perfect or polygamo-dicecious ; calyx 4-lobed (0 in 

 some species of Fraxinus) ; corolla 2-6-parted (0 in some species of Fraxinus}; fruit a winged 

 samara (Fraxinus) or a fleshy drupe (Chionanthus and Osmanthus) ; leaves pinnate (Fraxinus) 

 or simple, opposite, without stipules, deciduous (persistent in Osmanthus). 



LVII. Borraginaceae (p. 781). Flowers perfect or polygamous ; calyx and corolla 

 5-lobed ; fruit a drupe ; leaves simple, alternate, scabrous-pubescent, without stipules, per- 

 sistent or tardily deciduous. 



LVIII. Verbenaceae (p. 787). Flowers perfect; calyx 5-lobed; corolla 4 or 5-lobed; 

 fruit a drupe or a 1-seeded capsule ; leaves simple, opposite, without stipules, persistent. 



LIX. Bignoniaceae (p. 791). Flowers perfect; calyx bilabiate; corolla bilabiate, 5- 

 lobed ; fruit a woody capsule (Catalpa and Chilopsis) or a berry (Crescentia) ; leaves sim- 

 ple, opposite (sometimes alternate in Chilopsis), without stipules, deciduous (persistent in 

 Crescentia). 



B. Ovary inferior (partly superior in Sambucus in Caprifoliacece). 



LX. Rubiaceae (p. 798). Flowers perfect; calyx and corolla 4 or 5-lobed; fruit a cap- 

 sule (Exostema and Pinckneya), a drupe (Guettarda), or nut-like (Cephalanthus); leaves 

 simple, opposite, or in verticils of 3 (Cephalanthus), with stipules, persistent (deciduous in 

 Pinckneya and Cephalanthus). 



LXI. Caprifoliaceae (p. 804). Flowers perfect; calyx and corolla 5-lobed; fruit a 

 drupe; leaves unequally pinnate (Sambucus) or simple (Viburnum), opposite, without 

 stipules, deciduous. 



