260 58. LABIATE. 



2. G. Ladanum (L.) ; st. softly pubescent with deflexed hairs 

 not thickened at joinings, 1. lanceolate or ovate-lanceolate ser- 

 rate or nearly entire downy on both sides, cal. shaggy with ad- 

 pressed hairs and a few gland-tipped hairs intermixed, upper 

 cor. -lip slightly notched. E. B. 884. Cor. purple variegated 

 with crimson and white, shaggy externally. St. about a foot 

 high. /3. G. canescens (Schult.) ; 1. narrow nearly entire, bracts 

 often reflexed at the end, cal. and upper part of st. clothed with 

 patent hairs. In gravelly and sandy districts. /3. Southampton, 

 on shingles. A. VIII. IX. 



3. G. Tetrahit (L.) ; st. hispid thickened at joinings, 1. oblong- 

 ovate acuminate serrate, cal. tubular, cal.-teeth and tube nearly 

 equal, cor. -tube equalling the cal., upper lip ovate. E. B. 207 . 

 St. 62. 6. Cor.-tube slender, slightly inflated. Fl. purplish, 

 variegated or white. Cal.-teeth as long as their tube, which 

 is shorter but quite as broad and more strongly ribbed than in 

 the next species, rather inflated below the mouth. Nuts wholly 

 green, the oblique top longitudinally marked with veins all spring- 

 ing from the wholly acute inner angle of the nut. L. slightly 

 pubescent above. Fl. large ; middle lobe of lower cor.-lip sub- 

 quadrate, flat, crenulate, obtuse or slightly emarginate. /3. 

 G. bifida (Boenn.) ; middle lobe of lower cor.-lip oblong entire 

 emarginate, margins at length revolute. A more slender plant 

 with paler 1. and smaller fl. The middle lobe of the lower lip 

 purple with a pale margin, its base with a yellow 2-lobed spot 

 and several minute dots. Woods and cultivated ground. A. 

 VII. IX. 



4. G. versicolor (Curt.); st. hispid thickened at the joinings, 1. 

 oblong-ovate acuminate serrate, cal. bellshaped, cal.-teeth shorter 

 than the tube, cor.-tube much exceeding the cal., upper lip 

 roundish-oval. E. B. 667- St. 62. 8. Cor.-tube inflated above. 

 Fl. very large, yellow, usually with a broad purple spot upon 

 the lower lip. Cal.-teeth shorter than their tube. Nuts with 

 the oblique top dark brown, inner angle rounded off almost to 

 the base. Difficult to distinguish upon paper from G. Tetrahit. 

 Cultivated ground. A. VII. VIII. 



15. STACK YS Linn. Woundwort. 



1. S. Betonica (Benth.) ; spike oblong interrupted below, 

 whorls many-flowered, st. erect, lower 1. ovate-oblong with a cor- 

 date base crenate obtuse with long stalks, upper 1. oblong-lan- 

 ceolate serrate acute sessile, bracts linear-lanceolate equalling 

 the cal., cal. nearly glabrous, stam. falling short of the lip. 

 Betonica officinalis Sm., E. B. 1142. "Whorls sometimes sepa- 

 rated considerably. Cor.-tube exserted. The English plant 



