SYNOPSIS OF THE NATURAL ORDERS. 
XXXV 
Petals twisted in the bud. Sepals valvate. Style 1. 
xxix. Onagraceoe. 
32 Petals 5. Stamens 5. Styles 2. Inflorescence umbellate. 
Seeds solitary xxxvii. UmhelliferaB. 
Petals 4—5. Stamens 5— 10. Styles 2. (Calyx some- 
times inferior.) Capsule 2-vaived. Seeds many. 
(Fruit with two horns) xxxvi. Saxifragaceoi. 
Petals 4. Stamens 4—8. Styles 4. Fruit of 4 hard 
nuts XXX. HaloragaceoB. 
33 Fruit a berry. Styles more than 2. Leaves alternate. 
xxxviii. Hederaceae. 
Fruit a drupe. Style 1. Leaves opposite. 
xxxix. Cornacece. 
Fruit dry. Styles 2. Leaves alternate. 
xxxvii. Umhelliferoe (in part). 
34 Stamens inserted beneath an epigynous disk. 
xlvii. Ericace(e (Vacciniese). 
Stamens inserted with the corolla and free from it 35 
Stamens inserted on the tube of the corolla or between 
its lobes 36 
35 Filaments free xlvi. Campcmulacece. 
Filaments united into 3 bundles... xxxi. Cticurbitacece. 
36 Anthers united. Flowers in a head. xlv. ComjMsitce. 
Anthers free 37 
37 Flowers in a head. Calyx double xliv. Dipsacacece. 
Flowers corymbose or cymose 38 
38 Fruit a double indehiscent pericarp, 2-celled, 2-seeded. 
xlii. RuhiacecE. 
Fruit dry, with 1 perfect cell, 1 -seeded ; and often 2 
empty cells. Stamens 1 — 3 xliii. Valerianacea:. 
Fruit fleshy, with 1 or several seeds. Stamens 4 — 5. 
xli. Caprifoliaceae. 
39 Ovary and fruit 4-lobed, separating into 4 small 
1 -seeded nuts. Style from ba.se of ovary 40 
Fruit of several follicles. 
xxxiv. Crassulacece (Cotyledon). 
Ovary and fruit simple. Style terminal 41 
40 Stamens 5. Corolla regular. Leaves alternate. 
liv. Boraginacece. 
Stamens 4, didynamous, or 2. Corolla 2-lipped, Leaves 
opposite Iviii. Lahiatoe. 
41 Ovary 1 -celled, 1-seeded. Calyx tubular. Stamens 5. 
Styles 5 ixii. Plnmbaginaceoe. 
Ovary 1-celled, many-seeded 42 
Ovary with 2 or more cells (but fruit sometimes 1- 
celled) 44 
