290 LABIATE. [O.vi.Kupsis. 



subulate-lanceolate. Corolla jj-lin., hairy, rosy, lower lip variegated with 

 white. DISTRIB. Europe, Siberia, W. Asia; introd. in N. America. 



Sub-sp. L.VD'ANUM proper (L. Herb.) ; leaves ovate or ovate lanceolate serrate 

 throughout, whorls all separate, tube of corolla equalling the calyx. G. inter- 

 media, Villars. Wheat-fields, Moray. 



Sub-sp. ANGUSTIFO'LJA, Ehrh. (sp. ) ; leaves narrower connate at the base 

 interruptedly serrate or subentire, upper whorls approximate, tube of 

 corolla much longer than the calyx. VAR. 1, almost glabrous or minutely 

 pubescent. Common. VAR. 2, canet'cens, Schultz (sp. ) ; very pubescent. 

 Chiefly in the south. 



2. G. dubia, Leers ; glandular-pubescent, nodes not thickened, calyx- 

 teeth not exceeding the tube, corolla often yellow. G. villosa, Hmls. ; 

 G. ochroleu'ca, Lamk. 



Sandy cornfields, rare, from Durham, York, and N. Wales to Essex ; a colonist, 

 Watson; fl. July- Aug. -Habit of G. Ladanum, but glandular; leaves 

 broader, more deeply serrate ; whorls dense, almost silky ; bracteoles much 

 smaller ; calyx-teeth less spinescent ; corolla 1-1 .J in., pale yellow, rarely 

 white or purple. DISTRIB. Europe from Denmark southwards. 



3. G. Tet'rahit, L. ; hispid, nodes thickened, calyx-teeth as long as or 

 longer than the tube, corolla yellow and purple or white. 



Cornfields and waste places, ascending to 1,300 ft. in Northumberland ; a 

 native or colonist, Watson ; fl. July-Sept. -Usually much larger and stouter 

 than the two preceding, with spreading and deflexed hairs. Stem i-3 ft., 

 stout, succulent, very hispid at the nodes. Leaves 1-4 in., rather long- 

 petioled, ovate or ovate-lanceolate, acute or acuminate, very coarsely serrate. 

 Wlwrls dense-flowered ; bracts leafy ; bracteoles shorter than the calyx ; 

 pedicels very short. Cal'ix ^-f in. ; teeth very long, straight, subulate. 

 Corolla 1 in. DISTRIB. Europe (Arctic), N. Asia, W. Asia to N.W. India ; 

 introd. in N. America; 



Sub-sp. TET'RAHIT proper ; corolla in. rosy or white, tube a little exceeding 

 the calyx, upper lip flattish longer than broad, nutlets slightly convex above 

 on the inner face. VAR. 1, corolla twice as long as the calyx-teeth, lower 

 lip nearly entire flat. VAR. 2, bffida, Bosun, (sp.) ; corolla half as long as 

 the calyx-teeth, lower lip notched, margins at length reflexed. 



Sub-sp. VERSK/OLOR, Curt, (sp.); corolla larger broader 1-1| in. yellow and 

 purple, tube much exceeding the calyx, upper lip arched as broad as long, 

 nutlets very convex above on the inner face. 



13*. LEONU'RUS, L. MOTHER-WORT. 



Erect herbs. Leaves lobed. Whorls axillary, dense-flowered, scattered ; 

 bracteoles subulate ; flowers small, pink or white. Calyx 5-nerved, turbi- 

 nate, truncate, with 5 subspinescent spreading teeth. Corolla-tube naked, 

 or with an oblique ring within ; upper lip entire, erect; lower 3-fid, mid- 

 lobe obcordate. Stamens 4 ; anthers conniving in pairs, cells transverse. 

 Style-lubes subulate or obtuse. Nutlets smooth, 3-quetrous, tnin< ate at the. 



P. DISTRTB. Temp. Europe, Asia, and America; species 10. KIY.M. 



and ovpd, lion's-tail. 

 L. CARDI'ACA, L. ; pubescent, lower leaves palinately lobed, upper 

 ovate, bracts subtrifid, corolla-tube with a ring of hairs inside. 

 Hedges and waste places in England, Scotland, and Ireland, but rare and not 



top. 

 \tw 



