184 POPULAK FLORA. 



£. SrriEADiNG P. Stems nscendins:, 9' to 18' high, rather clammy; leaves ovate-oblong or broad 

 lance-shaped; cyme looi^ely-ilowered; lobes of tlie pale lilac or bluish corolla generally obcortlato 

 and rather distant from each other. Fl. spring, N. & W. P. dicaricaUu 



6. Gkound p. or Moss-Pink. Plant creeping and tufted in flat mats; leaves awl-shaped or lance- 



linear, small, crowded; corolla pink or rose-color, with a darker eye, sometimes v.'hite. Fl. spring, 

 in sandy or rocky soil. S. Sc E. P. subulUia. 



* * Garden annual from Texas. 



7. Dkummoxd's p. Rather clammy, branched; leaves lance-oblong, the upper heart-shaped at the 



base; coi'oUa crimson, purple or rose-color, lobes entire. P. DrummoiitliL 



Polemonium. Pohmbnium. 



1. Blue P. (Called in gardens Jacob's LrtA/cr or Greek Valerian.) Stem erect, 1° or 2" high, leafy, 



leaflets many ; seeds several. Gardens. P. ccevideum. 



2. Wild P. Stems weak, spreading; leaflets 7 to 11; flowers few. Woods, W. .Sc S. P. rejHans. 



67. CONVOLVULUS FAMILY. Order CONVOLVULACEiE. 



Twilling or trailing herbs, often with some milky juice, with alternate leaves and regular 

 flowers : calyx of 5 sepals : corolla 5-plaited or 5-Iobed. Stamens 5. Pistil making a 

 round pod, with 2 to 4 cells and one or two large seeds erect from the bottom of each cell. 

 (For illustrations see Fig. 4 to 7, 13 to 22.) Dodders are leafless parasitic plants of tha 

 family. 



Plants with foliage, and bearing large flowers, open onlv for one day. Style one. 



Stamens protruded beyond the mouth of the tubular or trumpet-shaped and crimson 



or scarlet corolla, ( Uudmodit) Quamoclit. 



Stamens included in the tube of the almost entire corolla. 



Stigma thick, 2-lobed: corolla bell-shaped: pod 4-celled, 4-seeded, {Batatas) Sweet-Potato. 

 Stigma capitate, thick, with 2 or 3 lobes: corolla funnel-form: pod with 2 or 3 



cells, and 2 seeds in each cell, {[jX)vuea) Moknixg-Glouy. 



Stigmas 2, long, linear or oblong. [Bindweed.* 



Calj'x naked at the base: corolla bell-shaped, { Convdlvulus) ^Convolvulus or 



Calyx covered by 2 large bractlets : corolla funnel-form, ( Cahjsthcjia) Bkacted-Bixd weed. 

 Plants with leafless whitish, reddish, or yellowish thread-like stems, twining over other 

 plants, and attaching themselves to their bark, on which they feed: flowers in clus- 

 ters: corolla bell-shaped, with 5 scales inside the stamens: pod 2-celled, cells 2-seeded : 

 embryo spiral, without any cotyledons, ( Cuscuia) Doddbh. 



Qunmoclit* QudmocUt. 



1. Cypress-vixe Q. Leaves narrow, pinnately dissected into thread-shaped divisions; limb of tho 



corolla rather deeply 5-lobed. Garden annual. Q, vidcjaris. 



2. Scarlet Q. Leaves heart-shaped, entire or nearly so; corolla scarcely lobed, Q coccinea, 



* The low Three-colored Convolvulus ( C tricolor) is a garden annual. 



