4 FLORA OF SOUTH AUSTRALIA. 
h. Placentas opposite to the fruit-valves. 
Sepals, petals, and stamens 5; petals usually irregular; 
filaments flat extending beyond the anthers; fruit 
1-celled, placentas usually 3; seeds albuminous Violaceae 
Petals and sepals 5; stamens 4 or 5; styles 2 to 5; 
fruit 1-celled ; placentas 3; herbs beset with 
glandular hairs - =< res ax ... Droseraceae 
Calyx tubular; stamens 4 to 7; petals slightly coher- 
ing; seeds albuminous; fruit l-celled ... .. Frankeniaceae 
11. Fruit of 2 or more carpels. Placentas axillary. 
a. Fruit lobeless; calyx-lobes imbricate in the bud; no disk. 
Sepals and petals 5, regular; petals rarely partially 
coherent; stamens 5, free; style 1; ovary 1- to 
5-celled; embryo very small at the base of 
albumen; leaves alternate ... sa : 
Sepals partly petaloid, unequal; petals unequal; 
stamens 8, filaments connate in two bundles; 
anthers 1-celled, opening by pores; fruit 2-celled ; 
seeds 1, pendulous; embryo large, albumen scanty 
or 0; leaves alternate a si ae : 
Sepals, petals, styles, and fruit-cells 3 to 5; stamens 
twice as many; leaves opposite; stipules small Elatineae 
~ 
Sepals, petals, and styles 5; petals yellow, twisted 
in the bud; stamens numerous, connate in bundles ; 
herbs with opposite dotted leaves ... Bs .. Hypericineae 
b. Fruit lobed ov separating into fruitlets ; calyx-lobes usually 
imbricate. Receptacle expanded into a disk beneath the 
ovary, or adnate to the calyx, or rarely reduced to glands, 
Pittosporeae 
Polygaleae 
Petals 4 or 5, usually free; stamens twice as many; 
styles united; ovary raised on a fleshy disk; 
fruit deeply lobed or the fruitlets distinct. 
Leaves with pellucid dots... ue AX, ... Rutaceae 
Filaments united; ovary entire, 4- to 5-celled, raised 
ona disk; style simple... na . Meliaceae 
Petals 5, twisted in the bud; stamens and staminodia 
5 each, united into a ring at the base, with 5 
small glands on the staminal tube opposite the 
petals; fruitlets separating, but leaving no central 
axis; ovary entire ... mo he a ... Lineae 
Petals 4 or 5; stamens 8 or 10, free; styles united; 
fruit lobed, or entire in Nitraria; leaves stipu- 
late; disk usually prominent bs whe 
Petals 5, twisted in the bud; stamens 10, usually 
connected; fruitlets separating from, or consoli- 
Zygophylleae 
