ROSE FAMILY 



155 



Less common. — Fl. June, July. Perennial. These two specie.? 

 are said to be tonic, and are made into tea by village herbalists. 



12. PoTERiUM (Salad-Burnet). — Erect herbs with pinnate 

 leaves; siipuks adnata to the sheathing \ieX\oi& ; floivers small, in 

 dense long-peduncled capitate cymes, often polygamous ; calyx-lube 



SA.N'Gl'ISQKBA OF; ici.nAlis {Gr^at Burnet). 



persistent, with 4 winged angles in fruit ; sepals 4, imbricate, 

 deciduous ; petals absent ; stamens 20 — 30 with slender iilaments 

 and pendulous exserted anthers ; carpels 2 — 3, i-ovuled, only one 

 ripening ; stigma tuhed ; aclie/ies solitary, enclosed in the hardened 

 caly.x-tube. (Name from the Greek /oterlon, a tankard, one 

 species being used in cool diiiiks.) 



