Plecira7ithiis.] 



CII. LABIAT.*: (baker). 



399 



/orming a racemose or paniculate inflorescence ; bracts usually small, 

 foliaceous. Flowers small or medium-sized, usually lilac or blue. 

 Stamens usually reaching to the tip of the lowerlip of the corolla. 



Species 80-100 or more, spread through all the wanner regions of the Old World, 

 extending to the Cape, Madagascar, and Mauritius. 



*Germanea. — Upper tooth of the calyx ovate : four 



lower narrow, acuminate. Leaves opposite. 

 fCymes reduced to a single flower. 



Bracts lanceol.ite-subulate . .1.7*. 



Bracts broadly ovate . . . . 2. P. 



Bracts minute or obsolete . . . 'S. P. 



ffCymes umbellate, inflorescence racemose. 

 Leaves sessile. 



Annual . . . 4. P. modestuA-. 



Herbaceous perennials. 



melanocarjjus. 



telragonus. 



bijlorus. 



Leaves lanceolate 

 Leaves oblong. 



Leaves 2-3 in. long 

 Leaves 6-7 in. long 

 Leaves ovate or oblong 

 Leaves obovate-cuneate 

 Undershrub 

 Leaves with a short petiole. 

 Leaves ovate. 



Fruit-calyx =[^o-g in. long 

 Fruit-calyx -| in. long 

 Leaves obovate or suborbicular. 

 A creeping herb 

 An erect undershrub 

 Leaves dustinctly petioled. 

 Leaves oblong 

 Leaves ovate-oblong 

 Leaves ovate. 



Whorls 2-3-flowered. 

 Fruit-calyx yV in. long. 

 Fruit-calyx I in. long. 

 Annual . 

 Perennial. 



Leaves glabrous ..... 



Leaves pubescent ..... 



Whorls 3-6-flowered. 



Pedicels very short ..... 



Pedicels \ in. long. 



Leaves membranous, small 

 Leaves membranous, large 

 Leaves moderately thick .... 



Pedicels long. 



Lower teeth of calyx deltoid 

 Lower teeth of calyx lanceolate. 



Calyx clothed with long tine glandular 

 hairs ...... 



Calyx clothed with rigid or robust crisped 

 hairs ...... 



Whorls many -flowered. 



5. P. stenophyllus. 



. 10. 



6. P. zombensis. 



7. P. Puchananii. 



8. P. stachyoides. 



9. P. Last a. 

 P.Jioribiindus. 



11. 

 12. 



13. 

 14. 



P. minimus. 

 P. ovatifolius. 



P. proslratus. 

 P. Fischeri. 



15. P. insignis. 



16. P. miserabilis. 



17. P. mandalensis. 



18. P. paucijlorus. 



19. 



20. 



P. masukeiisis. 

 P. brevipes. 



21 P. 



nganjenms. 



22, 



23. 

 24. 



Hoist a. 



longipes. 

 Emini. 



25. P.Jiaccidus. 



26. P. crenatus. 



27. P. phryxotrichus. 



