The Manual of the Botany of the Northern United States - BestLightNovel.com
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Leaves opposite, their bases or petioles connected by stipules or a stipular line. LOGANIACEae, 345
Leaves when opposite without stipules.
Stamens free from the corolla or nearly so; style 1.
ERICACEae, 309
Stamens almost free from the corolla; style none. ILICINEae, 107
Stamens in the sinuses of the corolla; style 1. DIAPENSIACEae, 326
Stamens inserted on the tube of the corolla,
Four; pod 2-celled, circ.u.mscissile. PLANTAGINACEae, 422
Four; ovary 2--4-celled; ovules solitary. VERBENACEae, 401
Five or rarely more.
Fruit of two or four seed-like nutlets. BORRAGINACEae, 360
Fruit a few-seeded pod.
Calyx 5-cleft; style 3-lobed or -cleft. POLEMONIACEae, 354
Sepals 5; styles 1 or 2, entire or 2-cleft; seeds large, only one or two in a cell. CONVOLVULACEae, 367
Fruit a many-seeded pod or berry.
Styles 2. Hydrolea, in HYDROPHYLLACEae, 360
Style single. SOLANACEae, 373
[+][+] _Stamens fewer than the lobes of the corolla._
Stamens 4, didynamous.
Ovary 2-celled; the cells several-seeded. ACANTHACEae, 399
Ovary 2--4-celled; the cells 1-seeded. VERBENACEae, 401
Stamens only 2 with anthers; ovary 4-lobed. Lycopus, in l.a.b.i.aTae, 408
Stamens 2, rarely 3; ovary 2-celled.
Low herbs; corolla scarious, withering on the pod.
PLANTAGINACEae, 422
Herbs; corolla rotate, or somewhat funnelform, and slightly irregular. Veronica, in SCROPHULARIACEae, 386
Shrubs or trees; corolla perfectly regular. OLEACEae, 335
DIVISION III. APETALOUS: corolla (and sometimes calyx) wanting.
[A.] _Flowers not in catkins._
[1.] _Ovary or its cells containing many ovules._
Ovary and pod inferior (i.e. calyx-tube adherent to the ovary),
Six-celled; stamens 6--12. ARISTOLOCHIACEae, 444
Four-celled; stamens 4. Ludwigia, in ONAGRACEae, 187
One-celled, with parietal placentae.
Chrysosplenium, in SAXIFRAGACEae, 172
Ovary and pod wholly naked (there being no calyx),
Two-celled, 2-beaked; flowers capitate; tree. HAMAMELIDEae, 179
Two-celled, many-ribbed; aquatic herb. PODOSTEMACEae, 444
Ovary and pod superior, i.e. free from the calyx.
Five-celled and 5-beaked, opening across the beaks, which fall off at maturity; stamens 10. Penthorum, in CRa.s.sULACEae, 176
Three-celled and 3-valved, or 3--5-celled and circ.u.mscissile.
FICOIDEae, 198
Two-celled or one-celled; placentae central.
Stamens inserted on the throat or tube of the calyx.
LYTHRACEae, 184
Stamens inserted on the receptacle or the base of the calyx,
Alternate with the 5 sepals. Glaux, in PRIMULACEae, 331
Opposite the sepals when of the same number. CARYOPHYLLACEae, 82
One-celled, with one parietal placenta. RANUNCULACEae, 34
Ovaries 2 or more, separate, simple. RANUNCULACEae, 34
[2.] _Ovary or its cells containing only 1 or 2, rarely 3 or 4, ovules._
[*] _Pistils more than one, and distinct or nearly so._
Stamens inserted on the calyx; leaves with stipules. ROSACEae, 150
