184 POPULAR FLORA. 



6. Spreading P. Stems ascending, 9'> to 18' high, rather clammy; leaves ovate-oblong or broad 

 lance-shaped; cyme loosely-flowered; lobes of the pale lilac or bluish corolla generally obcordate 

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



6. Ground 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. FI. spring, 

 in sandy or rocky soil. S'. & E. -P- subulata. 



* * Garden annual from Texas. 



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



base ; corolla crimson, purple or rose-color, lobes entire. P- Drummondii. 



Foiemonium. Polemdnium. 



1. Blue P. (Called in gardens Jacob's Ladder or Greek Valerian.) Stem erect, 1° or 2° high, leafy; 



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



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



67. CONVOLVULirS FAMILY. Order CONVOLVULACE^. 

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

 flowers : calyx of 5 sepals : corolla 5-plaited or 5-lobed. 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 the 

 family. * 



Plants with foliage, and bearing large flowers, open only for one day. Style on^e. . 



Stamens protruded beyond the mouth of the tubular or trum pet-shac^ an3fcrimson 



or scarlet corolla, ^^( Qudmodii) Quamoclit. 



Stamens included in the tube of the almost entire corolla. "^Ai"-4 



Stigma thick, 2-lobed : corolla bell-shaped: pod 4-celled, 4-seeded,^Ba<atas) Sweet-Potato, 

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



cells, and 2 seeds in each cell, ^IjMmiea), Moening-Glokt- 



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



Calyx naked at the base : corolla bell-shaped, {, Convdlmilus) *Convolvulus or 



Calyx covered by 2 large bractlets : corolla funnel-form, ( Calysligia) Beacted-Bindweed. 

 PJaots with leafless whitish, reddish, or yellowish thread-hke 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 sphal, without any cotyledons, ( Cuscuta) Dodder. 



Quamocliti Qudmodii. 



1. Cypeess-vine Q. Leaves narrow, pinnately dissected into thread-shaped divisions; limb of the 



corolla rather deeply 6-lobed. Garden annual. Q. vulgaris. 



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



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



