SYNOPSIS OP THE NATURAL ORDERS. 
xxix 
Orary and frnit simple. Style terminal 4^ 
42 Stamens 5. Corolla regular. leaves alternate. 
liv. Boraginacea. 
Stamens4, didynamous,pr2.. , Corolla 2-lipped. Leaves 
opposite Iviii. Labiates. 
43 Oyary 1-celled, 1-seeded. , Calyx tubular.. Stamens 5. 
. Styles 5 Ixii. Plunibaginaceee. 
Ovaiy 1-celled, many-seeded 44 
Ovary with 2 or more cells (but fruit sometimes 1- 
celled) 4() 
44 Corolla scarious, regular, 4-parted. Stamens 4. 
Ixiii. Plantaginacece. 
Corolla coloured 45 
45 Corolla irregiiliir. Stamens 2 . . . . Ix. Lmtihulariace<e. 
Corolla regiSar. Stamens 4 — 5, opposite to the segments 
of the corolla Ixi. Primulacea. 
Corolla irregular. Stamens 4, didynamous. 
Ivi. Orohanchaceee. 
46 Stamens hy;pogynpus, SQarcely attached to the corolla, 
distinct ..... .-sXyn. Ericacea (Ericese & Ai-butese). 
Stamens upon the corolla j filaments connected. 
xi. Polygalace<e. 
Stamens upon the corolla, distinct 47 
47 Stamens 2. Corolla regular xlix. Oleace<B. 
Stamens 2 or 4, and didjTiamous. Corolla irregidar . . 48 
Stamens 4 or 5, not didynamous 49 
48 Ovary 2-ceUed, not lobed ; placentas central. 
Ivii. Scrophulariace<B. 
Ovary 2— 4-ceiled, lobed lix. Verbenaceee. 
49 Cells of ovary each with 1 or 2 ovules 50 
Cells of ovary each with many ovules 51 
50 Fruit fleshy, not bursting, Stigmas sessile. 
xlviii. AquifoUacea. 
Fruit a capsule, bursting. Styles manifest. 
liii. Convolvtclacece. 
51 Fruit a double foUicle 1. Apocynacea. 
Fruit 2, or improperly 4-celled. Leaves alternate. 
Iv. Solanacecs. 
Fruit imperfectly 2-celled, 2-valved. Leaves opposite. 
li. Gentianacece. 
Fruit 3-ceUed, 3-valved lii. Polemoniacece. 
52 Flowers not in catkins 53 
Male flowers in catkins 63 
53 Ovary superior 55 
Ovary inferior . , 54 
54 Stamens 1 or 8. Fruit not bursting, 1- or 4-celled, 1- 
or 4-seeded. Limb of perianth of female flower very 
minute xxx. Haloragacea. 
