POTERJTJM. ALCHEMILLA. 109 



4. POTE'RIUM Linn. Lesser Burnet. 



1. P. Sanguisor'ba (L.) ; herbaceous, st. slightly angular, cal. 

 of the fruit hardened quadrangular with thin entire wings and 

 netted veins. E. B. SdO. L. pinnate, with many small ovate 

 coarsely serrate subsessile leaflets glabrous or slightly hairy 

 beneath. Lower part of the stems and petioles often downy. 

 On a dry calcareous soil. P. VI. VIII. E. S. I. 



{2. P. potyg'amum (W. & K.) ; herbaceous, st. slightly 

 angular, calyx of fruit hardened ^-winged pitted, pits with ele- 

 vated and denticulate edges. E. B. S. 2989. P. muricatum 

 (Spach) ed. viii. a. P. plah/lophum (Jord.) ; fr.-cal. with 

 rather blunt denticulate wings, pits with sharply derticulate 

 edges. ft. P. stenolophiim (Jord.) ; fr.-cal. with sharp entire 

 wings, pits with rather bluntly denticulate edges. Both of 

 these closely resemble Sp. 1, but are usually larger in all their 

 parts. Leaflets usually oval. Dry places. P. VI. VII. E. 



5. AGRIMO'NIA Linn. Agrimony. 



1. A. EiLpatoria (L.) ; cal.-tube offr. obconic furrowed to the 

 base, exterior spines spreading, 1. interruptedly pinnate serrate 

 shaggy beneath. E. B. 1335. St. 59. 4. St. erect, about 2 

 feec high. Spikes long with distant yellow flowers. Leaflets 

 deeply serrate. Fields and roadsides. P. VI. VII. E. S. I. 



2. A., odordta (Mill.) ; cal.-tube offr. bellshaped not furrowed, 

 exterior spines declining, 1. interruptedly pinnate hairy and 

 with minute glands beneath. E. B. S. 2982. Scented. Spikes 

 long. Fl. yellow ; pet. obovate-lanceolate, wed^eshaped below, 

 distant, spreading, flat, turning up at the end. Styles spreading. 

 Leaflets deeply and sharply serrate throughout. Cal.-tube of 

 the large fruits rarely with shallow furrows in its upper half. 

 Taller than Sp. 1, usually more branched ; 1. and Its., fl. and ir. 

 larger. Waste places, rare. P. VI. VII. .E. S. I. 



6. ALCHEMIL'LA Linn. Lady's Mantle. 



1. A. vulgdris (L.) ; /. reniform or nearly orbicular plaited 

 7 9-lobed, lobes rounded serrate throughout green beneath, 

 fl. in terminal corymbs, or rather racemose cymes. E. B. 597. 

 Slightly hairy. Fl. yellowish green. L. large on long stalks, 

 st.-l. sessile with large notched connate stipules. /3. A.jilicaulis 

 (Buser) x ; st.-l. and petioles silky, old 1. wavy with broad waves. 



1 Rev. E. F. Linton in a paper on the segregates of A. vulgaris (J. of 

 B. 1895, p. 110) states that A. montana Willd. to which this var. wa* 

 referred in Ed. viii. is not British. 



