lxviii 
INTRODUCTION. 
47 
Stamens as many as the petals and opposite them. 
Calyx dry and scarious, funnel-form, plaited. Plumbaginacea, 279 
Calyx small, 5-7-parted. (lNaumburgia.) Primulacea, 283 
Stamens alternate with the petals, or twice their number. 
Leaves opposite. (Herbs.) Caryophyllacea. 55 
Leaves alternate. (Shrubs or trees.) Anacar diacea, 78 
Ovary with 2 or more parietal placentap. 
Stamens (5) monadelphous on the stalk of the ovary. Passifloracea, 143 
Stamens (5) cohering bv their anthers (flower irregular). Violacea, 43 
Stamens distinct or 2 —5-adelphous, hypogynous. 
Corolla irregular : stam. 10 or more, on a 1 sided disk. Resedacea, 
Corolla irregular: stamens 6 , in 2 sets. Fumariacea , 
Corolla regular. 
Petals withering-persistent, 5. Droseracea , 
Petals fugacious or deciduous. 
Calyx deciduous: sepals as many as the petals. Capparidacea, 
Calyx caducous : sepals fewer than the petals. Papaveracea, 
Calyx persistent. 
Petals not oblique : style single or none. Cistacea, **' 
Petals oblique : styles separate or separable. Hypericacea, 51 
Stamens distinct, perigynous. Saxifragacea, 147 
* * Calyx adherent to the ovary . 
Flowers perfect: stamens distinct. 
Stamens 8 - 10. Capsule 2-lobed or 2 beaked. Saxifragacea. 147 
Stamens 5. Calyx 5-cleft. Petals 5. Grossulacea . 141 
Stamens indefinite, as also the sepals and petals. Cactacea, 141 
Flowers monoecious. Stamens united. Cucurbitacea, 144 
2. Ovary (compound) 2 - several-celled. 
* Stamens attached to the base of the petals or corolla. 
Corolla epigynous or perigynous. Stamens united. Cucurbitacea, 144 
Corolla hypogynous. 
Stamens monadelphous, many. Anthers kidney-shaped. Malvacea , 67 
Stamens distinct, mostly 2. Oleacea, 372 
* * Stamens epigynous, as many as the petals , distinct. 
Styles 2-5. Petals 5. e 
Fruit splitting into 2 seed-like dry carpels. Umbellifera, 153 
Fruit drupe-like or berry-like. Araliacia, 1$ 
Style and stigma one. Petals 4. Drupe 2-celled. Cornacta, 167 
* * * Stamens manifestly perigynous, distinct. 
Stamens indefinite. Fruit a pome, or drupe-like. Pomea, 12$ 
Stamens definite. 
Seeds indefinite or numerous. (Fruit a pod.) 
Anthers opening by a pore at the tip. Melastoinacca, 131 
Anthers opening lengthwise. 
Calyx adherent to the entire surface of the ovary. Onagracea , 134 
Calyx partly or entirely free. 
Inclosing the pod. Style and stigma one. Lythracea, 132 
Pod exserted, 2-beaked, or style 2-partible. Saxifragacea, 147 
seeds definite, few or solitary in each cell. 
Stamens alternate with the petals or twice their number. _. 
Calyx wholly adherent to the surface of the ovary. Onagracea, 
Calyx free, or nearly so. in fruit. Celastracea , 
Stamens as many as the petals and opposite them. 
Calyx valvate in the bud. Drupe 3-5-ceIled. Rhamnacea, \* 
Calyx a mere ring. Petals valvate. Berry Swelled. Vilacea, & 
* * * * Stamens hupoaxmous. 
Calyx valvate m the bud. y 
Stamens monadelphous, numerous : anthers 1-celled. Malvacea 
67 
