ORDER 92. POLEMONIACE^E. 569 



1 to 2' long, acute, the lower tapering to the base, the upper broad and clasping 

 at base, the floral linear setaceous. Pedicels diverging, as long as the calyx which 

 is half as long as the corolla tube. Cor. of a peculiar light but brilliant grayish 

 blue. Apr., May. 



J3. LAPHAMII. Lvs. ovate, pel. obtuse, entire. Wis. (Laphain) Western Re- 

 serve (Cowles) and southward, not uncommon. 



9 P. Drummondii Hook. DRCMMOND'S LYCHNIDIA. Erect, dichotomously 

 branched, glandular-pilous ; Ivs. mosUy alternate, oblong or lanceolate, scabrous ; 

 corymb dense-flowered ; col. hairy, segm. lanceolate, setaceous, elongated, rero- 

 luts ; cor. tube pilous, segm. obovate, entire. -CD Banks of Flint R., S. E. Ga ! and 

 Tex. One of the handsomest species of the genus, common in cultivation. 

 Whole plant glubular-scabrous, 8 to 12' high. Fls. very showy, all shades from 

 white to dark purple, and exquisitely penciled with a star. May, Jn. 



10 P. bif Ida Beck. Low, assurgent, diffusely branched, puberulent ; Ivs. am- 

 plexicaul, subrevolute on the margin, acutish, lower lance-ovate, upper lance- 

 liuear ; corymbs very loose, 2 5-flowered ; cal. segments linear, acute ; cor. tube 

 curved, segments deeply bifid. A very distinct species, and very rare, in Mo. 

 (Beck), Casa Co.. 111. (Mead). Stem brownish-purple, slender, 6' high. Leaves 

 12 15'' by 1 2", lower much shorter. Pedicels 1' long. Cor. purple, tube 

 much curved. Apr. 



11 P. subulata (and P. setacea L.) Moss PINK. Procumbent, csespitous, much 

 branched, pubescent ; Ivs. rigid, subulate or linear-subulate, ciliate, fascicled in 

 the axils ; cal. teeth linear-subulate, very acute ; cor. lobes cuneate, emarginate. 

 Rocky hills, Peun. to Ga. and Ky., abundant in its localities, in dense, turfy 

 masses, spangled over in May with rose-colored flowers. Corymb, 3 6-flowered. 

 Cor. white or pink, deeper purple in the center. May. f 



2. POLEMO'NIUM, L. GREEK VALERIAN. (Gr. rroAe/iog, war; 

 Pliny relates that two kings fought for the merit of its discovery.) 

 Calvx campanulate, 5-cleft; corolla rotate-campanulate, limb 5-lobed, 

 erect, tube short ; stamens declined, equally inserted at the throat, fila- 

 ments with hairy appendages at base ; capsule 3-celled, 3-valved, cells 

 many-seeded. Herbs with alternate, pinnately divided Ivs. Fls. ter- 

 minal. 



1 P. reptans L. St. smooth, branching, diffuse; Ivs. pinnately 1 \\-foliatc, 

 leaflets oval-lanceolate, acute ; fls. terminal, nodding ; cells of caps. 2 3-seeded. 

 U Woods and damp grounds, Wis. to N. Y. and rats, of S. Car. Stem 1218' 

 high, weak, flesh y. Leaflets mostly 7, subopposite, smooth, entire, sessile, an 

 inch long and half as wide. Segments of the calyx lanceolate-acute, persistent, 

 much shorter than the tube of the corolla. Corolla blue, lobes short, rounded at 

 the ends. Anthers introrse. Root creeping. May. f 



2 P. cceruleum L. St. smooth, simple, erect; Ivs. pinnately 11 to ll-faliate, 

 segm. acuminate ; fls. erect ; cal. equaling the tube of the corolla ; cells of caps. 6 

 to 10-seeded. A handsome plant, in gardens. Sts. clustered, about 2f high, 

 hollow, stout, each dividing at top into a corymbous panicle. Lvs. mostly radi- 

 cal, on long, grooved petioles; Ifts. all sessile, ovate-lanceolate, subopposite, 

 oblique, odd one lanceolate. Fis. terminal, suberect. Cor. blue, 6" diam. f Eur 



3. GIL'IA, Ruiz & Pavon. (Named for P. S. Gilio, a Spanish 

 botanist.) Calyx 5-clcft, segments acute ; corolla tube long or short, 

 limb regularly 5-lobed ; stamens 5, equally inserted at top of the tube ; 

 disk cup-form ; capsule oblong or ovoid, few or many-seeded. Herbs 

 with alternate, pinnatifid Ivs. Fls. paniculate, capitate or scattered, 

 elegant and showy, lilac purple to white. 



1. IPOMOPSIS. Corolla funnel-form, the tube much exserted No. 1 



g 2. GILIA proper. Cor. lobes subrevolute, tube included in calyx No. 2 



1 G. coronopifolia Pers. STANDING CYPRESS. St. strictly erect, tall, hairy; 

 Ivs. crowded, pinnatifid with subulate divisions; thyrse elongated, with very short 



