26o LABIATAE 



1 



ELSHOLTZIA. Stems cylindrical. Ls. opposite, lane, 6, long-pointed, 

 tapering base, toothed in middle, smell like mint. Fls. arranged in whorls in 

 terminal spikes, stamens four. Nutlets egg-shaped or oblong. 



* E. polystacha. 8. August-October. E. Fls. white. Himalaya. (Fig. 6i o.) 

 E. Stauntonii. 8. September-October. E. Fls. purplish pink. China. 



(Fig. 6 1 N.) \ 



Hyssopus officinalis. Hyssop. 2. August-September. E, Stems square. 

 Ls. linear, i|, minutely toothed, green, gland-dotted on both sides. Fls. ^, bluish 

 purple in axillary whorls; stamens four, protruded. South Europe. (Fig. 50 a.) 



LAVANDULA. Lavender. Young stems square. Ls. linear, 2, entire, grey- 

 green and downy, margins recurved. Fls. \, grey-blue, in whorls in terminal 

 spikes, stamens four. 



L. Spica. 4. July-September. E. Ls. slightly broadened towards end. 

 Mediterranean region. 



L. vera. 4. July-September. E. Ls. not broadened towards end. Medi- 

 terranean region. (Fig. 50 d.) 



* Leonotus leonurus. 4. Summer. E. Branchlets 4-angled, downy, and deeply 

 grooved. Ls. lane, 3, toothed in outer half, aromatic, tapering base, downy on 

 both sides, dotted with oil glands below, margins recurved, very shortly stalked. 

 Fls. scarlet, in whorls. South Africa. 



Perowskia atriplicifolia. Russian Sage. 5. August-September. E. Stems 

 cylindrical, long, stiff and erect, white-felted. Ls. ov., lane, i\, greyish green, 

 unevenly toothed in outer half. Fls. \, violet-blue, in opposite spikes forming a 

 large terminal panicle covered with white powdery down, stamens two. Central 

 Asia. (Fig. 56 d.) 



* Phlomis fruticosa. Jerusalem Sage. 6. June. E. Stems square, stout, grey- 

 felted. Ls. ov., 5, dull green, wrinkled, prominently net-veined, minutely round- 

 toothed. Fls. I, yellow, hooded, in crowded axillary whorls. South Europe. 

 (Fig. 56 B.) 



PROSTRANTHERA. Mint Bush. Fls. -|, bell-shaped, in terminal racemes or 

 panicles. 



* P. lasianthos. 20. April-May. E. Ls. ov., lane, 3, sharply toothed, hairless. 



Fls. white, tinged with pink or purple. Australia. (Fig. 56 G.) 



* P. rotundifolia. 12. April-May. E. Stems very slender, grey-felted. Ls. 



roundish ov., |, entire or round-toothed at end, dark glossy green, hair- 

 less, gland-dotted. Fls. purple. Tasmania. (Fig. 56 f.) 



Rosmarinus officinalis. Rosemary. 7. July-August (and again in winter). E. 

 Ls. linear, 2, entire, blunt-ended, dark green above, white-felted below, margins 

 recurved. Fls. |, pale violet, in 2-3-flowered clusters in 1. -axils. Europe and 

 Asia Minor. (Fig. 50 c.) 



i 



SALVIA. Sage. Stems square. Ls. greyish green, round-toothed, downy on 

 both sides. Fls. in pairs or whorls in terminal erect racemes, stamens two. | 



* S. Grahamii. 4. June-July. E. Ls. ov., 3, smelling like black currant. 



Fls. I, red to purple, in pairs in terminal racemes. Mexico. (Fig. 56 c.) 



* S. Greggii. 4. June-July. E. Ls. lane, i|. Fls. i, red to purple, in pairs or 



threes in terminal racemes. Mexico. 



