BUCKBEAN FAMILY OLIVE FAMILY 99 



saucer-shaped corolla, stamens 4-5, ovary 1 -celled, stigma 2-lobed, or di- 

 vided, capsule ovate; flowers in a compact panicle; leaves alternate, simple, 

 the lower with margined petioles ; perennial. 

 Stems 3-20 in. high; leaves 1-5 in. long; flowers in 

 open to dense clusters, 1-3 cm. wide ; petals 4 or 5 S. perennis 



MENYANTHACEAE BUCKBEAN FAMILY 



Sepals 5, united, petals 5, united into a funnelform, or saucer-shaped 

 corolla, stamens 5, on the corolla, ovary 1-celled, fruit a capsule or closed ; 

 flowers regular and perfect, in clusters; perennial aquatic or marsh herbs 

 with basal or alternate entire crenate or 3-foliate leaves. 



MENYANTHES Linne 1753 BUCKBEAN 



(Gr. men, month, anthos, flower) 



PL 17, fig. 3. 



Sepals 5, united, petals 5, white or purplish, united into a short funnel- 

 form corolla, fringed or bearded within, stamens 5, on the tube of the co- 

 Volla, disk of 5 glands below the ovary, ovary 1-celled, style awl-shaped, 

 stigma of 2 flat plates, capsule oval ; flowers in racemes or panicles on long 

 lateral stalks ; leaves alternate, >long-petioled, 3-foliate, basal ; perennial 

 marsh herb with creeping root-stocks. 

 Leaflets oblong to obovate, 1.5-3 in. long; flowers 10- 



12 mm. long M. trifolidta 



OLEACEAE OLIVE FAMILY 



Sepals 2-4 (or none) united into a calyx, petals 2-4 (or none) separate 

 or united, stamens 2-4, on the corolla, ovary 2-celled, fruit a capsule, some- 

 times a winged fruit (samara), drupe, or berry; flowers perfect, polygamous 

 or dioecious, in te'rminal or axillary panicles, cymes or clusters, trees or 

 shrubs with opposite or alternate, simple or pinnate, entire or dentate 

 leaves. 



1. Leaves pinnate; fruits winged FRAXINUS 



2. Leaves simple; fruits berry-like ADELIA 



FRAXINUS Linne 1753 ASH 



(The Latin name) 



PI. 17, fig. 1. 



Sepals 4 (or none) united, petals none or 2-4, separate or united in 

 pairs at the base, greenish, stamens 2 (rarely 3 or 4), ovary 2-celled, with 



