DIDFNAMIA GYMNOSPERMIA. Mentha 163 



Per. August, September. 



Plant three f., hoary or greyish green. Cal. hairy. Fl. pale pur- 

 ple. Ls. upper surface hoary ; under shaggy with close, white, 

 soft hairs. 



(M. rotundifoKa. Round-leaved M. E. E. 446. Be- 

 tween High and West Wycombe, Bucks. Tur. For 

 description, see the very useful Compendium of St?' */. 

 J5J. Smith's English Flora. 12mo : or Appendix.) 



(M. viridis. Spear M. Spikes interrupted. Leaves 

 stalkless, spear-shaped, acute, naked. Bracteas bristle- 

 shaped, somewhat hairy, as also the calyx teeth. 

 Flower-stalks very smooth. E. B. 2424. M. romana. 

 G. E. 680. 



Marshy places. Bilton, near Rugby, Warwickshire. Bx, 



Per. August. 



Plant deep greeru Stems two or three f. Spikes panicled, acute, 

 nearly all the whorls a little distant from each other. Cal. nar- 

 row, smooth ; the teeth often hairy. Cor. light purple, gene- 

 rally longer than the stamens.) 



M. hirsuta. Hairy 31. Flowers in heads, or whorled. 

 Leaves stalked, egg"- shaped. Calyx clothed with erect 

 hairs. Flower-stalks with hairs curved back. H. L. 

 166. a. E. B. 447. M. aquatica. Sb. 182. M. 

 aquatica, sive vSisymbrium. G. E. 684. ^. Flowers 

 all whorled. About rivulets, &c. FL Br. 6 18- M. 

 Sativa. E. B. 448. _ 



Watery places, very common. 



a. The most common of all our Mints. 



^. About rivulets on the side of Shotover Hill, near Oxford ; 

 Mr. Tilleman Bobart. Herb. Bobart. Banks of the Canal, 

 beyond High Bridge. Otmoor. Sb. 

 Per. July. 

 Roots lon§, branched, creeping. Stem square, branched, purplish. 



Branches opposite. Ls. sometimes almost stalkless : spreading, 



pointed, saw-toothed from a little above the base to near the tip. 



Fl. lilac, in a large, round, terminal head, divided into three 



parts, accompanied by a pair, seldom more, of smaller axillary 



heads. Fl.-stalks, and cal., very hairy. Stam., generally longer 



than the cor. 



Out of water it grows much smaller, more purple, with a single 

 head of _^. Very variable species. Under headed var., &c. Sm. 

 comprehends every plant that has been taken for Ment. aquatica, 

 and Ment. hirsuta oi Linn. L. Tr. v. 5. 195. 



Every sort of mint, according to Linn., prevents the coagulation 

 of milk. Eaten too largely by cattle, their milk coagulates with 



M 2 



