The Manual of the Botany of the Northern United States - BestLightNovel.com
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Stamens inserted on the receptacle.
Leaves punctate with pellucid dots. Xanthoxylum, in RUTACEae, 106
Leaves not dotted.
Calyx present, and usually colored or petal-like.
RANUNCULACEae, 34
Calyx absent; flowers entirely naked, perfect, spiked.
PIPERACEae, 446
[*][*] _Pistil one, either simple or compound._
Ovary partly inferior, the calyx coherent to its lower half, 2-celled; styles 2; stamens many. HAMAMELIDEae, 179
Ovary wholly inferior (in perfect or pistillate flowers).
Aquatic herbs; ovary 3--4-celled, or (Hippuris) 1-celled.
HALORAGEae, 180
Mostly woody plants; style or stigma one, entire; ovary 1-celled.
Stigma running down one side of the style.
Nyssa, in CORNACEae, 215
Stigma terminal, with or without a style.
Parasitic on the branches of trees; anthers sessile.
LORANTHACEae, 449
Not parasitic above ground; anthers on filaments.
SANTALACEae, 450
Ovary really free from the calyx, but permanently invested by its tube, or the base of it, so as to seem inferior.
Shrubs, with scurfy leaves; flowers mostly dicious.
ELaeAGNACEae, 448
Herbs, with the calyx colored like a corolla.
Leaves opposite, simple. NYCTAGINACEae, 425
Leaves alternate, pinnate. Poterium, in ROSACEae, 161
Ovary plainly free from the calyx, which is sometimes wanting.
Stipules (ocreae) sheathing the stem at the nodes.
Tree; calyx none; flowers moncious, in heads. PLATANACEae, 466
Herbs; calyx present and commonly petal-like. POLYGONACEae, 436
Stipules not sheathing the stem, or none.
Aquatic herbs, submerged or nearly so.
Leaves whorled and dissected; style single.
CERATOPHYLLACEae, 488
Leaves opposite, entire; styles 2; ovary 4-celled.
HALORAGEae, 180
Not aquatics, herbs.
Ovary 10-celled; berry 10-seeded. PHYTOLACCACEae, 436
Ovary 3- (rarely 1--2-) celled; juice usually milky.
EUPHORBIACEae, 451
Ovary 1-celled; juice not milky.
Style, if any, and stigma only one; leaves simple; no scarious bracts around the flowers. URTICACEae, 461
Styles 3; embryo straight; flowers involucrate.
Eriogonum, in POLYGONACEae, 436
Style or stigmas 2 or 3; embryo coiled or curved.
Stipules not scarious, leaves palmately cleft or palmately compound. Cannabineae, in URTICACEae, 461
Stipules scarious (or none); leaves opposite.
ILLECEBRACEae, 426
Stipules none; but flowers with scarious bracts.
AMARANTACEae, 427
Stipules and scarious bracts none. CHENOPODIACEae, 430
Shrubs or trees.
Ovules a pair in each cell of the ovary.
Fruit 2-celled, a double samara. Acerineae, in SAPINDACEae, 115
Fruit a 1-celled and 1-seeded samara or a drupe.
OLEACEae, 335
Ovules single in each cell of the
