PENTAXDRIA MOXOGYXIA 127 



1, H. TiHeisicujr, L. Stem nearly smooth; leaves pinnatiseeted, 

 lobes oval-lanceolate, deeply serrate, lower ones distinct ; corymbs fas- 

 cicled, recurved, on peduncles longer than the petioles of the upper 

 teaves. Beck, Bot. p. 255. 

 Virginian HruRorHrLLUir, 



Root perennial. Stem VI to IS inches high, often dichoiomously branched near 

 ?ho Lase, nearly naked, with one or two leaves at summit. Leaves irregularly 

 pinnalisected, about 5 lobed, the two lower lubes distinct and somewhat distant; 

 petioles of the radical and lower leaves 4 to 6 or 8 inches long, those at summit 1 to 

 1 inches long. Flowers in clustered corymbs ; the common peduncles 2 to o inches 

 Ung, axillary, or opposite to the petioles of the upper leaves. Calyx segments 

 iaucolinear, acute, hispid-ciliate, shorter than the corolla. Corolla white, wiili 

 purplish veins ; lobes ovate-oblong, obtuse, often emarginate, or crenately notched. 

 tMaments hairy ; anthers oblong, incumbent. Ovary hirsute. Seeds 4, one rf 

 theua large and round, the others abortive. 



ifif6. Moist shaded grounds ; along Brandywine : freqtieut. Fl. May. Fr. June. 



Ob*. Two or three additional species are known in the U. Statue. Muhlenberg 

 •numerates o others. 



* • Capsule 2 t 9 5-celled. 



99. POLEMONIUM. L. JSfatt. Gen. 195. 

 L &r. Polemos ,war ; from the belligerent claims of two Kings to the discovery of it 



Calyx campanulate, 5-cleft, persistent. Corolla campanulate-rotate ; 

 limb 5-lobod ; tube short, closed by the dilated bases of the 5 filament?. 

 Stigma 3-cleft, Capsule roundish-ovoid, 3-celled, 3-valved ; cells ma- 

 ny-seeded, 



Hcrbweous : leaves alternate, pseudo-pinnate with an odd leaflet; flowers tentor- 

 ial, somewhat corymbose. A 'at. Or (I 200. Lindl. Polemoniaceje. 



!. P RErTANs, L. Stem weak, branched ; leaves pseudo-pinnate by 

 7's, 9's, and 1 Ts ; flowers terminal, nodding. Beck, Bot. p. 248. 

 Creeping Poleuonium. Vulgd — Jacob's Ladder. Greek Valerian. 

 Root perennial, creeping. Stem 12 to 18 inches high, succulent, erector oblique, 

 branching, smooth, or slightly pubescent. Leaflets 5 to 11, (mostly 7 or 9.) about 

 an inch long, and half an inch wide, lance-ovate, acute, smooth, sessile, mostly 

 tpposite, the terminal one lance-obovate ; common petiole slightly winged, ciliatc- 

 pubescem. Flowers terminating the branches, in small nodding corymbose clu*> 

 ters. Calyx-segments lance-ovate, acute. Corolla blue, rather larg«, about three 

 times as long as the calyx; lobes short, obovate, rounded. Stamens shorter thaa 

 the corolla, unequal ; filaments dilated into connivent ciliate valves at base; wi- 

 thers roundish. Capsule on a short pedicel, in the enlarged, persistent, vein«d> 

 green and somewhat membranous calyx. 



JT«6. Moist low grounds : meadows and woodlands : frequent. FL May. JV. June- 



Obs. A handsome little plant; frequently introduced into flower gardens. It fa 

 the only species in the U. States. 



100. PHLOX. L. Mitt. Gen. 193. 

 [Greek, PMox> flame, or fire ; in allusion to the color of the flowers.] 



€alyx prismatic, 6-cleft ; segments mostly connivent, or erect. Corot- 

 IH ttlverfor» ; limb flat, with 5 cuneatc lobes ; tube long, more or less 



