Pycnostachya.' 



CII. LABIATE (baker). 



H79 



One ndditional species in Madagascar. 



^Leaves sessile. 



Leaves linear. 



Calyx-teeth not longer than the tube . 

 Calyx-teetli finally twice the length of the tube 

 Calyx-teeth three times the length of the tube 

 Leaves linear-lnneeolate ..... 



Leaves hinceolate. 

 Spikes cylindrical. 



Teeth of fruit-calyx erec*^ .... 



Teeth of fruit-calyx spreading . 

 Spikes oblong or conical. 

 Leaves very small, fascicled 

 Leaves opposite, not very small. 

 Leaves \\-2 in. long, dehv?xed 

 Leaves middle-sized. 



Calyx-teeth ^-^ in. long . . . , 



Calyx-teeth \ in. long . . . . 



Leaves large. 



Leaves amplexicaul . . . . . 



Leaves not amplexicaul . . . . 



Spikes globose ....... 



Leaves ohlong-lanceolate. 

 Calyx-teeth |~1 in. long. 



Veins of the lower surface of the leaf slightly 

 laised . . . . . . * 



Veins of the lower surface of the leaf much raised 

 Calyx-teeth \ in. long. 

 Leaves glabrous 

 Leaves pubescent 

 Leaves oblong 

 Leaves ovate . 

 ** Leaves shortly petioled. 



Leaves linear or lanceolate 

 Leaves oblong-lanceolate . 

 Leaves oblong. 



iveaves subentire . 

 Leaves deeply serrate 

 Leaves ovate. 



Calyx-teeth ^ in. long 

 Ca lyx- teeth i-^ in. long 

 ***Leaves with a long petiole. 

 Leaves lanceolate . 

 Leaves oblong-lanceolate . 

 Leaves oblong 

 Leaves ovate-lanceolate. 

 Leaves glabrous . 

 Leaves pubescent 

 Leaves ovate. 

 Leaves glabrous. 



Calyx-teeth subulate 

 Calyx -teeth lanceolate-subulate 

 Leaves pubescent on the ribs and edges 

 Leaves densely pubescent 



