The Manual of the Botany of the Northern United States - LightNovelsOnl.com
You're reading novel online at LightNovelsOnl.com. Please use the follow button to get notifications about your favorite novels and its latest chapters so you can come back anytime and won't miss anything.
Style twice or thrice forked; flowers moncious.
Crotonopsis, in EUPHORBIACEae, 458
Styles 5; ovule and seed only one. PLUMBAGINACEae, 327
Ovary 2--4-celled.
Calyx-lobes minute or obsolete; petals valvate. VITACEae, 112
Calyx 4--5-cleft, valvate in the bud; petals involute.
RHAMNACEae, 111
[C.] _Stamens not more than twice as many as the petals, when of just the number of the petals then alternate with them._
1. _Calyx free from the ovary, i.e. the ovary wholly superior._
[*] _Ovaries 2 or more, separate._
Stamens united with each other and with a large and thick stigma common to the two ovaries. ASCLEPIADACEae, 338
Stamens unconnected, on the receptacle, free from the calyx.
Leaves punctate with pellucid dots. RUTACEae, 106
Leaves not pellucid-punctate.
Tree, with pinnate leaves. Ailanthus, in SIMARUBACEae, 107
Low shrub, with pinnate leaves. Xanthorrhiza, in RANUNCULACEae, 48
Herbs, not fleshy. RANUNCULACEae, 34
Herbs, with thick fleshy leaves. CRa.s.sULACEae, 176
Stamens unconnected, inserted on the calyx.
Just twice as many as the pistils (flower symmetrical).
CRa.s.sULACEae, 176
Not just the number or twice the number of the pistils.
Leaves without stipules. SAXIFRAGACEae, 168
Leaves with stipules. ROSACEae, 150
[*][*] _Ovaries 2--5, somewhat united at the base, separate above._
Leaves punctate with pellucid dots. RUTACEae, 106
Leaves not pellucid-punctate.
Shrubs or trees with opposite leaves. SAPINDACEae, 115
Terrestrial herbs; the carpels fewer than the petals.
SAXIFRAGACEae, 168
[*][*][*] _Ovaries or lobes of ovary 3 to 5, with a common style._ GERANIACEae, 102
[*][*][*][*] _Ovary only one, and_
[+] _Simple, with one parietal placenta._ LEGUMINOSae, 122
[+][+] _Compound, as shown by the number of cells, placentae, styles, or stigmas._
Ovary one-celled.
Corolla irregular; petals 4; stamens 6. FUMARIACEae, 59
Corolla irregular; petals and stamens 5. VIOLACEae, 78
Corolla regular or nearly so.
Ovule solitary; shrubs or trees; stigmas 3. ANACARDIACEae, 118
Ovules solitary or few; herbs. Some anomalous CRUCIFERae, 61
Ovules more than one, in the centre or bottom of the cell.
Petals not inserted on the calyx. CARYOPHYLLACEae, 82
Petals on the throat of a bell-shaped or tubular calyx.
LYTHRACEae, 184
Ovules several or many, on two or more parietal placentae.
Leaves punctate with pellucid and dark dots. HYPERICACEae, 92
Leaves beset with reddish gland-tipped bristles.
DROSERACEae, 178
Leaves neither punctate nor bristly-glandular.
Sepals 5, very unequal or only 3. CISTACEae, 76
Sepals and petals 4; stamens 6. Anomalous CRUCIFERae, 61
Sepals and petals 5; stamens 5 or 10.
Ovary and stamens raised on a stalk. Pa.s.sIFLORACEae, 194
