ANALYSIS or THB NATURAL ORDERS. 195 



c Flowers in a compact head surrounded by an involucre. CoMPosrrjs. 70 



c Flowers separate, irregular, perfect. Plants erect. Loeeliaoe^. 71 



c Flowers separate, regular, imperfect. Weak vines. Oed. 58 



d Leaves alternate. Flowers 5-parted, regular, separate. Campanulaoej:. 72 



d Leaves opposite, with stipules between, or vertioiilatc. Ehdiaoe.*!. 67 



d Lvs. opp. Stipules none. — Stam. 5 — i. Ov. 2 — 5-celled. Caerifoliaoe^. 06 



— Stam. 2—3. Ov. 1-celled. Valeeianaoejs. 68 



— Stamens 4. Flowers capitate. Dipsaoe^. 69 



e Herbs. Ovary with 5 styles and but 1 seed. PLUMBAOiNAOEyE. 80 



e Herbs. Ovary with 1 style and inany seeds. PEnnuLAOEiE. 78 



e Trees or shrubs. Ov. l-styled, 5-celled, 1-seeded. Sapotage.*;. 77 



f Style none. Drupe 4r—6 seeded. Aquieoliace^. 74 



f Style one. Drupe 4-seeded. Veeeehace.e. 88 



f Style one. Capsule 8 — 5-oellod, OD-seeded. EEioAOEiB. 73 



g Ovary deeply 4-parted, forming -L acbcn;.:. Boeeaoinaoe^. 90 



g Ovaries 2, distinct (often covered by the stamens), (h) 



g Ovary 1, compound, 1-celled (placenta often large), (k). 



g Ovary 1, compound, 2 — 6-ceIled. (m). 



h Stigmas connate. Flower bud convolute. ApocyjiAOEiE. 96 



h Stigmas connate. Flower bud valvate ? AsoLipiADACE.E. 97 



h Stigmas distinct. Flowers minute, yellow, CoNvoLvnLACE^. 93 



k Ovules several. Leaves cleft and lobed. HrDEOPHTLi,ACE.E. 91 



k Ovules several. Leaves (or leaflets) entire. GENiiAYfAOE^. 95 



k Ovule solitary. Corolla limb entire. Oed. 101 



m Leaves opposite. — Ovary 2-celled. Loganiaoe^. 85 



— Ov. 3-celled. Kot twining, i 

 m Loaves alternate.— Ov. 3-oelled. Not twming. f Poiemoniaoe.e. 92 

 — Ov. 2-celled. Twining. Convolvulaob^. 93 

 — Ov. 2-oelled, 4-seeded. Erect. Boeeaginace.e. 90 

 — Ov. 2-oelled, 00-seed. — Styles 2. Htdeophyl. 91 

 — Style 1. SoLANAOEiE. 94 

 n Herbs. Corolla 4r-parted, dry, soarious. Plantaginaoe^. 79 



n Shrubs. Corolla 5-parted, imbricated in bud. Jasminaoe^. 98 



n Shrubs. Corolla 4-parted, valvate, or none. Oleace^. 99 



o Ovary deeply 4-parted, forming 4 (or fewer) achenia. (p)* 

 o Ov. entire, 4-ovuled, 4 or fewer-seeded. Lvs. opposite. Vekbesaoe^. 87 

 o Ovary entire, OO-ovuled, CO or several-seeded, (s) 



p Leaves opposite. Stems square. Stamens 2 — 4. Labiate. 89 



p Leaves alternate. Stems round. Stamens 5. Boeeaginace^. 90 



s Trees or climbing shrubs. Seeds winged. Biqnomiaoe^. 83 



s Trees. Seeds not winged. Soeoph. 86. Erect shrubs. Ebioaoe.*. 73 



s Herbs. — Leafless parasites. Obobanohace^e. 82 



— Lvs. at base. Fruit'l-celled. Fls. spurred. Lkntibdlaoe^. 81 



— Leafy. — Fruit 4 — S-celled. Leaves opposite. PEDALiAOEiE. 84 



—Fruit 2-ceIled. (t) 



t Corolla convolute in bud. Seeds exalbuminous. Acanthaoe^. 87 



t Corolla imbricate in bud. Seeds albuminous. Soeophdlakiaoe.e. 86 



t Corolla plicate in bud. Seeds albuminous. Solahaoejb. 94 



C Cohort 3. APETALOUS. 



T Plants herbaceous, the flowers not in aments (except Humulus, 115). (3) 

 IT Plants woody, — shrubs or trees. (5) 



3 Flowers with a regular calyx (or. a oalyx-like involucre). (3) 

 a Flowers aehlamydeous,— neither calax nor corolla, (t) 



3 Calyx tube adherent to the ovary, limb lobed, toothed, or entire, (a) 

 3 Calyx free from the ovary, sometimes enclosing it. (4) 



