.MKNTHA.] LABIATE. 281 



brous, bracts sessile 2-4 times as long as the crowded whorls. From Mid- 

 dlesex N. to the Tyne ; often cultivated ; smells of Basil. 



Sub-sp. PRATEN'SIS, Sole (sp. ) ; leaves drooping rounded at both ends finely 

 serrate, hairy above, glabrous except on the close-set nerves beneath, whorls 

 in the upper leaves only all separate, calyx-teeth ciliate, pedicels and corolla 

 glabrous. New Forest, gathered by Sole only in 1789. 



Sub-sp. GENTI'LIS, L. (sp. ) ; leaves spreading ovate acute serrate slightly hairy 

 above and on the (few) nerves especially beneath, bracts all leaf-like upper- 

 most flowerless, pedicels and corolla glabrous, calyx-teeth ciliate. Common 

 in England, rare in Scotland. VAR. 1, genti'lis proper ; stem hairy, leaves 

 rather coriaceous most hairy below, calyx-teeth densely hairy. VAR. 2, 

 Wirtf/enia'na, F. Schultz (sp.) ; stem subglabrous, leaves slightly hairy 

 above, but on the nerves only below, calyx-teeth sparingly hairy. VAR. 3, 

 Pmdia'na, F. Schultz (sp.); stem subglabrous, leaves as in var. 2, calyx- 

 teeth densely hairy. 

 6. M. arven'sis, L. ; leaves petioled ovate- or oblong-lanceolate 



obtusely serrate, upper smaller, bracteoles shorter than the flowers acute, 



calyx more or less hairy, teeth triangular ^ the length of the tube, corolla 



hairy without and within. 



Cultivated fields and waste places, ascending to 1,000 ft. in the Highlands ; 

 fl. Aug.-Sept. Usually a low branched plant, 1-2 ft., very variable, 

 chiefly distinguished from M. sativa by the short calyx-teeth. DISTRIB. 

 Europe (Arctic), N. Asia, W. Asia to the Himalaya ; introd. in N. America. 

 To the following varieties many might be added of more or less value. 



VAR. 1, arven'sis proper ; stem short, hairs dense reflexed, leaves smooth hairy 

 all over, calyx very hairy. VAR. 2, nummula'ria, Schreb. (sp.) ; ste 



hairs few, leaves and calyx sparingly hairy. VAR. 3, agre/tis, Sole (sp.); 

 stem long hairy, leaves coarsely serrate broad often cordate wrinkled and 

 calyx very hairy, bracts smaller upwards. VAR. 4, prce'cox, Sole (sp.) ; stem 

 stout erect slightly hairy, leaves smooth sparingly hairy, bracts much 

 smaller upwards, calyx-teeth longer. Approaches M. sativa. VAR. 5, 

 Allio'nii, Boreau (sp.) ; stem tall slightly hairy above, nearly glabrous 

 beneath, leaves smooth thinly hairy, bracts uniform, calyx-teeth very short. 

 VAR. 6, parietaricpfo' lia, Beck (sp. ) ; subglabrous, stem long, leaves smooth 

 serrated towards the tip, bracts smaller upwards, calyx-teeth short. 



*** Whorls axillary, distant, none towards the ends of the branches. Calyx 



2-lipped ; throat closed with hairs. 

 7. M. Pule'gium, L. ; prostrate, leaves small shortly petioled ovate or 



oblong subsorrate, calyx-teeth ciliate, corolla hairy without glabrous within. 



Penny-royal. 



Pools, wet heaths, &c., from Durham southwards, naturalized only in Scotland 

 frequent in Ireland ; fl. Aug.-Sept. Glabrous or more or less tomentose. 

 Stems 4-10 in., prostrate, much branched, very leafy. Leaves %-j in.. 

 spreading and recurved, acute at the base. Whorls all separate ; bracts 

 foliaceous, upper sessile fiowerless ; bracteoles 0, or obovate and shorter 

 than the flowers. Calyx and pedicels pubescent or hispid.- DISTRIB. Europe, 

 N. Africa, Siberia, W. Asia. Formerly much used medicinally. 



2. LYC'OPUS, Tournef. GIPSY-WORT. 

 Marsh herbs. Leaves toothed or pinnatifid. Whorls axillary, dense, 



many-flowered ; bracts foliaceous, bracteoles minute ; flowers small sessile. 



