J 96 ANALYSIS OF THE NATUKAL ORDERS. 



4 Ovaries several, entirely distinct, each 1-styled, 1-ovulcd. Okdeb 1 



4 Ovary one, l-ovuled, l-seeded, style or stigma 1. (b) 



4 Ovary one, 1 — 3-ovuled, with 2 — S-styles or stigmae. (c) 



4 Ovary 1, "with many ovules and 1 stylo or stigma, (d) 



4 Ovary one, with 4 — OO ovulea and 2 — 12 styles and stigmas, (e) 



a Stamens 1 — 8, symmetrical with the stigmas. Ord. 68 



a Stamens 8 — 10, the stigmas 2. Ovary CO-seeded. Oed. 61 



a. Stamens 6 or 12, symmetrical with the 6 ovary-cells. AEisroLOCHiACEiE. 100 



a Stamens 5, the style 1. Ovary 2-ovuled, 1-secdcd. Samtalace^. 109 



b Flowers perfect. Calyx 4-lohed, stamens 1 — i. Oed. 47 



b Flowers perfect. Calyx entire, funnel-shaped, colored. Nyctaginaoejc. 101 



b Flowers diclinous. Calyx 4 — 5-parted, green. Ueticacex. 116 



c Fruit 3-Beeded, with 3 (often cleft) stigmas. EuphoediacejE. 112 



o Fruit l-seeded. — Stipules sheathing the stems. Poltgonace^. 102 



— Slip. 0. Calyx scarious-bracted. Amaeantaoe^. 106 



— Stip. 0. Calyx double. Climbing. B^\3ellaoej:. 104 



— Stip. 0. Calyx naked. Lvb. alternate. Cbenopodiaoej:. 106 



^Stip. 0. Calyx naked. Lvs. oppositi'. § 3, Oed. 21 



d Stamens (4) opposite the sepals. Oed. 61 



d Stamens (5) alternate with the sepals. Oed. 78 



e Leaves opposite. Fruit circumscissilo (utricle). Oed. 22 



e Leaves opposite. Fruit 4 — 5-valved (capsule). Oed. 21 



e Leaves alternate.— Fruit 5-horned, 5-celled (capsule). Oed. 60 



— ^Fruit a fleshy 4 — 10-seeded berry. PnTTOTA00ACE.fi. 103 



— Fruit circumscissile (utricle). Amaeantace.j:. 106 



f Flowers on a spadix with a spathe. Monocotyledons. Oed. 131 



f Flowers in a long naked spike. Stamens 6 or 7. Saiieueaoe.«. 12S 



f Flowers solitary, axillary, minute. Aquatic plants. {'^) 



^ Stamen 1, styles 2. Leaves opposite. CALLiTKiOACE.fi. 124 



g Stamens 2, styles 2. Leaves alternate, dissected. Podostemiaoe.!;. 126 



g Stamens 12 — 24, style 1. Lvs. vertioillate, dissected. CEiiATOpnTLLACEj:. 120 

 5 Flowers not in aments, with the leaves opposite, (h) 

 5 Flowers not in aments, with the leaves alternate, (k) 

 5 Flowers (diclinous), the sterile only, in aments. (n) 

 5 Flowers (diohnous), both the fertile and sterile in aments. (o) 



h Fruit a double samara (2-winged). Oed. 40 



h Fruit a single samara (1-winged), or a drupe. Stamens 2. Oleace^. 99 



h Fruit not winged, — 3-seeded. Stamens 4. EupnoEEiACEJs. 112 



—l-seeded. Stamens 4 or 8. ELEAONAOiyE. Ill 



— 1-seodcd. Stamens 3. Parasites. LoEANTHACE.f;. 108 



k Style or stigma one. Fruit l-seeded. (m) 



m Calyx free from the ovary. — Anthers opening by valves. Laceace^. 107 



m Calyx free from the ovary. — Anthers opening by slits. Thymelac£,e. 110 



m Calyx adherent to the ovary. — Ovules 2 — 4. (Shrubs.) Sautalaos^. 109 



—Ovule 1. (Trees.) Oed. 65 



k Styles or stigmas 2. — Stamens numerous. Oed. 62 



— Stamens as many as the cdyx lobes. Ulmacej:. 113 



k Styles or stigmas 3 (rarely 2 — 4). — Fruit dry, 3-partible. Euphoeblaoe.*;. 112 



— Fruit a fleshy drape. Oed. 43 



k Styles or stigmas 6 — 9. Heath-like undershrubs. Eupeteaoe^. 116 



k Styles and ovaries 5, scarcely united. Leaves pinnate. Oed. 87 



u Nat or nuts in a cnp or involucre. Leaves simple. CcpiTLirBKiE. IISI 



n Nut drupaceous, naked. Leaves pinnate. Jdolandace^. lis 



o Fruit fleshy, aggregated (sorosis). Juice (or sap) milky. Aetooaepaoe.*. 114 

 o Fruit dry. Plants with a watery juice or sap. (p) 



