DIANDRIA.— MONOGYNIA. 15 



II. DIANDRIA. 



1. MONOGYNIA. 



* Flowers complete, inferior ; 1 pttalled. 



t Fruit a drupe or nut. 



,. LIGUSTRUM. Cal. 4-toothed. Cor. 4-cleft. Berry 

 2-celled ; cells 2-seeded. 



6. CHIONANTHUS. Cal. 4-parted. Cor. deeply 4- 



parted ; segments long and linear. Drupe 1 -seeded. 

 Nut striate. 



7. ORNUS. Cal. 4-parted. Cor. 4-parted; petals long 



and ligulate. Fil. 4. JVwMvinged. Fruit a capsule. 

 ::. VERONICA. Cal. 4-parted. Cor. rotate, 4-lobed, 



unequal ; the lower segment narrower. Caps. 2- 



celled, obcordate ; seeds few. 

 ■ >. LEPTANDRA . Cal. 5-parted ; segments acuminate. 



Cor. tubular-campanulate ; border 4-lobed, a little 



ringent ; the lower segment narrower. Stam. and 



at length the pist. much exserted. Caps, ovate. 



acuminate, opening at the summit. 



10. GRATIOLA. Cal. 5-parted, often with 2 bracts at 



the base. Cor. irregular, resupinate, 2-lipped ; the 

 upper lip 2-lobed ; the lower equally 3-cleft. Stig. 

 2-lipped. Caps. 2-celled, 2-valved. 



11. L1XDERNIA. Cal. 5-parted. Cor. resupinate, 



tubular, 2-lipped ; upper lip short, reflexed, emar- 

 ginate ; the lower lip trifid and unequal. Fil. 4 ; 

 the two longer forked arid sterile. Caps. 2-celled. 

 2-valved ; dissepiment parallel with the valves. 

 ■ IIEMIANTHUS. Cal. tubular, cleft on the under 

 side : border 4-toothed ; upper lip of the cor. obso- 

 lete ; lower3-parted; intermediate segmentligulate, 

 much longer, closely incurved. Stam. 2 ; fil. bifid ; 



lateral fork antheriferous. Caps. 1 -celled, 2-valved. 



many-seeded. 



ATALPA. Cal. 2-parted. Cor. campanulate : 



tube ventricose ; border 4-lobed, unequal. Stam. 



2 fertile ; 2 — 3 sterile. Stig. bilamellate. Caps. 



long and cylindric, 2-valved ; dissepiment opposite 



to the valves, 

 i I. JUSTICIA. Cal. 5-parted, often with 2 bracts attfce 



