108 OCTANDRIA MONOGYNIA. Chlora. 



four deep segments. E. B. II77. C. 3. 24. Lysi- 



machia campestris. G. E. 478. 

 Dry, shady, hilly, stony places. 

 Per. July. 

 Shoots red. Stem slender, very soft to the touch, erect, scarcely 



branched, leafy. Ls. smooth, often tinged with red, as the 



stem, lower ones opposite, uppermost alternate, and narrower. 



Fl. cluster, simple, leafy, terminal, pale purple, sometimes 'white. 

 * * * Floivers regular. Stigma undivided, 



E. tetragonum. Square-stalked TV. Leaves spear- 

 shaped, stalkless, minutely toothed. Stem erect, 

 unequally four-cornered. Stigma undivided. E. B. 

 1948. C. 2. 23. Lysimachia siliquosa glabra media, 

 sive minor. G. E. 479. 



Ditches, ivatery, marshy places. 



Per. July, 



Stem twelve to eighteen inches, branched, leafy, nearly smooth. 

 Ls. smooth, mostly alternate. Fl. few, in leafy clusters, small, 

 pet. pale, purple, cloven. Stig. club-shaped. 

 Discrim. from Ep. palustre, by its square-like stalk, arising from 



two prominent lines from the base of the Is., Ivnown by its angular 



stem, generally narrow Is. very long pods, and undivided stigma. 



E. palustre. Round-stalked Marsh JV. Leaves stalk- 

 less, linear-spear-shaped, slightly toothed. Stem round. 

 Stigma undivided. E. B. 346. Chamaenerion alte- 

 rum angustifolium. G. E. 477' 



Doggy, turfy ground. 



Per. July. 



Stem about one f., erect, leafy, round . Ls. mostly opposite, upper 



ones alternate. Fl. in an erect, small, leafy cluster, pale pui'ple. 



Pet. inversely heart-shaped. Sometimes nearly the whole plant 



smooth, or scarcely downy. Short, leafy branches fi'om the 



bosom of the Is, 



Discrim. From Ep. tetragonum, by its round stem, narrow Is, 

 and in being generally smaller. 



CHLORA. Yellow-wort. 



C. perfolidta. Perfoliate Y. Leaves perfoliate. Pani- 

 cle forked, many -flowered. E. B. 6O. H. L. 2. 

 Centaurium parvum luteum Lobelii. G. E. 547. 



Chalky hills, or hanks ; also on a clay soil. Sm. * * Penley Hang- 

 ings. Sb. Stone-pit near the old road to Enshara. B.i\ 



An. July. 



Whole plant glaucous, very bitter. FL in a kind of umbel, of 

 three rays, encompassed by the uppermost Is., the middle one 



