SAN GUISORBA. POTERIUM. AGRIMON1A. 9 1 



lets small, many, intermediate ones much smaller. Fl. yellowish 

 white tinged with red. Pet. obovate. Dry chalky and lime- 

 stone pastures. P. VI. VII. Dropwort. 



Tribe II. Sanguisorbea. 



3, SANGUISORBA Linn. Great Burnet. 



1. S. officinalis (L.) ; spikes ovate-oblong, stam. about as long 

 as the calyx, leaflets cordate-oblong. E. B. 1312. L. pinnate 

 glabrous; leaflets about 13, stalked, opposite, obtuse, coarsely 

 serrate. Fr. oblong, winged chiefly in its upper half, transverse 

 section round, 4 wings thin. /3. media; spikes elongated cylin- 

 drical. Damp meadows. P. VI. VIII. 



4. POTERIUM Linn. Lesser Burnet. 



1. P. Sanguisorba (L.) ; herbaceous, st. slightly angular, cal. 

 of the fruit hardened quadrangular reticulate-rugose. E.B.S6Q. 

 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. I. 



2. P. muricatum (Spach) ; herbaceous, st. slightly angular, 

 calyx of fruit hardened 4-winged pitted, pits with elevated and 

 denticulate edges. Closely resembling the preceding species but 

 usually larger in all its parts. Leaflets usually oval. Dry places. 

 P. VL VII. E. 



5. AGRIMONIA Linn. 



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

 base, exterior spines spreading, 1. interruptedly pinnate serrate 

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

 high. Spikes long with distant yellow flowers. Leaflets deeply 

 serrated. Fields and road-sides. P. VI. VII. 



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

 exterior spines declining, 1. interruptedly pinnate hairy and with 

 minute glands beneath. Scented. Spikes long. Fl. yellow ; pet. 

 obovate-lanceolate, wedgeshaped 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 No. 1, usually 

 more branched; 1. and Its., fl. and fr. larger. Waste places. 

 P. VI. VII. E. I. 



