. The families of flowering plants. Plants; Phanerogams. FAMILIES OF FLOWEEING PLANTS 113 CHAPTEE XIX. Order Rhoedales or Fapaverales This group is characterized by tlie regular flowers, usually with both calyx and corolla. The stamens are hypogynous; the car- pels two or more, united into a compound ovary. The plants are almost all herbs, with a watery or milky and often pungent juice. The order includes six families, the Papaveraceae, Cruciferae, To- variaceae, Capparidaceae, Eesedaceae and Moringaoeae. Family Papaveraceae. Poppy Family. Contains about 25 genera and 200 species, of wide dist
. The families of flowering plants. Plants; Phanerogams. FAMILIES OF FLOWEEING PLANTS 113 CHAPTEE XIX. Order Rhoedales or Fapaverales This group is characterized by tlie regular flowers, usually with both calyx and corolla. The stamens are hypogynous; the car- pels two or more, united into a compound ovary. The plants are almost all herbs, with a watery or milky and often pungent juice. The order includes six families, the Papaveraceae, Cruciferae, To- variaceae, Capparidaceae, Eesedaceae and Moringaoeae. Family Papaveraceae. Poppy Family. Contains about 25 genera and 200 species, of wide distribution, but most abundant in the north temperate zone. They are herbs or rarely shrubs, with milky juice, alternate leaves, and sohtary or clustered flowers. The sepals ore usually only two, and caducous, that is, they fall as soon as the blossom ex- pands. The petals are from 4 to 6; stamens few [to many; ovary one-celled, capsular in fruit. The Poppy family furnishes us with a number of highly ornamental plants. The true poppies (Fapaver) are natiyes of the Old World, and have been so much improved by long cultivation that we now have varieties in all shades of red, white and yeUow, with single, semi-double or very double flowers, in both annuals and perennials. The Califor- nia poppies, which are the delight of every visitor to the Pacific coast, belong to the genus Eschscholtzia; they have finely dis- sected leaves and yellow or orange flowers. In this region also occur several shrubby genera, like Romneya and JDendromecon. The prickly poppy (Argemone) is introduced from the tropics as a weed in certain parts of the country, while the bloodroot {Sanguinaria Canadensis), shown in Fig. 95, is familiar to everyone. A group of closely related genera, comprising the Fumariaceae or Fumitory Family, has been included by recent authors among the pop- pyworts. • They may be known by the irregular flowers, having one or. Fig. 97. The lace-pod (Thysan- ocarpus curvipes) about two-
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