POPULAR FLORA. 



173 



57. LEADWORT FAMILY. Order TLUMBAGINACEiE. 

 Familiar to us in two plants onlj-, viz. Maush-Rosemary on the coast, and Thrift In 



gardens; known by having a dry and scaly funnel-shaped 

 calyx, and 5 petals united only at their base, with a stamen 

 before each, and 5 styles on a single one-seeded ovary. 



Flowers (rose-color) in a round head on a long and 

 naked scape: leaves very narrow, all in a close tuft 

 at the root, {Armcr-ia) Thrift. 



Flowers (lavender-color) spiked or sessile along the 

 branches of a forking panicle : leaves spatulate, 

 thickish, on petioles, nearly all of them from the 

 stout rootstock, (Stdtice) Maksh-Rosemary. 



430 



430. Calyx ind cfirolla of Thrift ; separated. 431. Pistil of the same, with its 5 styles : 

 also the lower part of an ovary mure magnified, cut across. 



58. PRIMROSE FAMILY. Ouler PRIMULACE^. 

 Herbs, with regular perfect flowers ; completely distinguished by having the stamens of 

 the same number as the lobes to the corolla and one before each, inserted on the tube ; the 

 pistil with a one-celled ovary or pod, with one large placenta rising from its base, and bear- 

 ing many or few seeds. 



Leaves under water pinnately divided into thread-like divisions; flowering stems hollow, 



and inflated between the joints, (Hottbnia) Featherfoil. 



Leaves simple and entire or barely toothed. 



Calyx with its tube coherent with the base of the ovary. Flowers very small, white, 



in racemes. Leaves alternate, (Sdmolus) Brookweed. 



Calyx and corolla free, inserted on the receptacle. 

 Leaves all at the root: flowers in an umbel. 



Calyx tubular: corolla salver-shaped: stamens included, {Primula) Primrose. 



Calyx and corolla 5-parted, turned back: anthers long, and filaments very 



short, connected, (Dodecdtheon) Dodecatkeon. 



Leaves several in a whorl at the summit of the slender stem. Calyx and corolla 



7-parted, wheel-shaped, with narrow divisions, ( Trientalis) Star-flower. 



Leaves (mostly opposite or whorled) borne along the whole length of the stem: 

 corolla 5-parted. 

 Corolla wheel-shaped, yellow, (Lysimdchia) Loosestrife. 



Corolla wheel-shaped, blue or purple: pod opening by a lid, {Anngdllis) Pimpernel. 



liOosestrife. Lysimdchia. 

 This is the only genus in the Primrose family of which we have more than one common wild spe- 

 cies. The 5 stamens have their filaments a little monadelphous at the base, and often unequal. Fl. in 

 summer. 



1. Strict L. Leaves opposite or scattered, lance-shaped : stem ending in a long raceme leafy at the 

 base ; divisions of the corolla lauce-oblong. Low grounds. L. stricia. 



