282 LABIATE. [Lvcoprs. 



Calyx caitipanulate, equal, 4-5-toothed ; throat naked. Corolla short, 

 campauulate, equal, 4-5-fid. Stamens 4 ; upper 2 imperfect, filiform, with 

 capitate anthers or ; 2 lower fertile, distant ; anther-cells parallel . 

 2-tid, lobes flattened. Nutlets dry, smooth, truncate, narrowed below, 

 margins thickened. DISTRIB. Temp, regions ; species probably 2 with 

 many varieties. ETYM. \vxos and irovs, wolf's-foot, of doubtful appli- 

 cation. 



1. L. europseus, L. ; stem acutely 4-angled, calyx-teeth 5 subulate. 

 Ditches and river-banks from Ross southwards ; rarer in Scotland ; common 

 in Ireland ; fl. June-Sept. Glabrous or slightly pubescent. Rootxtock creep- 

 ing or stoloniferous. Stem 1-3 ft., tough. Leaves subsessile, elliptic-oblong, 

 coarsely serrate or pinnatifid. Whorls many ; bracts smaller upwards ; 

 flowers sessile. Corolla J in., bluish-white, dotted with purple, hairy 

 within.- DISTRIB. Europe, N. Africa, Siberia, W. Asia to India, N. America, 

 Australia. 



3. ORIG'ANUM, Toumef. MARJORAM. 



Aromatic herbs or undershrubs. Leaves entire or toothed. /" 

 crowded, in cylindric corymbose cymes, with large coloured imbricating 

 bracts. Calyx subcampanulate, 10-13-nerved, 5-toothed or 2-lipped ; upper 

 lip entire or 3-toothed, lower 2-toothed truncate or 0. Corolla obscurely 

 2-lipped ; upper lip notched or 2-fid ; lower spreading, 3-fid. Stamens 4, 

 ascending, distant ; anther-cells distinct, spreading. Style-lobes acute. 

 Nutlets dry, smooth. DISTRIB. Temp, regions of the Old World ; species 

 about 20. ETYM. upvs and ydvos, from affecting hilly localities. 



1. O. vulga're, L. ; erect, corymbosely branched, leaves broadly ovate. 

 Dry copses and hedgebanks, &c., from Isla and Moray southwards, rare in 

 Scotland ; ascends to 1,300 ft. in Yorkshire ; local in Ireland ; fl. July-Sept. 

 More or less pubescent, bifariously on the branches. Rootstock short, 

 stoloniferous. Stems many, 1-3 ft., stout. Leaves ^-1 in., shortly petioled, 

 rhombic-ovate, lower early withering, obtusely serrate. Spike* |-1 in., 

 crowded, ovoid, 4-gonous ; bracts in. , green or purple, ovate, acute, 

 longer than the calyx. Calyx sprinkled with yellow dots, teeth short ; 

 throat closed with hairs. Corolla purplish or white. Stamen* exserted or 

 not. -DISTRIB. Europe (Arctic), N. Africa, Siberia, Dahuria, W. Asia to the 

 Himalaya ; introd. in N. America. Aromatic, bitter, and balsamic. 



4. THY'MUS, L. THYME. 



Small shrubs, often hoary, much branched, very aromatic. L /< * 

 small, quite entire ; margins often revolute. Whorls few-flowered, distant 

 or crowded, in lax or dense spikes ; bracts minute ; flowers purple, rarely 

 white. Calyx ovoid, 10-13-nerved, 2-lipped ; upper lip 3-toothed ; lower 

 2-fid; throat villous. Corolla-tube naked within, obscurely 2-lip|-d : 

 upper lip straight, flattish, notched ; lower 3-fid. Stamens usually exserted, 

 straight, distant, the lower longer; anther-cells parallel or <!i\crging. 

 Style-lobes subequal, subulate. Nutlets nearly smooth. DISTRIB. Temp. 

 regions of the Old World ; species 40. ETYM. The Greek name. 



1. T. Serpyl'lum, L. ; prostrate, leaves green flat quite entire. 

 Hills and^th-y grassy plafces ; ascends to 3,500 ft. iu the Highlands ; fl. June- 



