2 DIDYNAMIA GYMNOSPERMIA. Ajuga. 



inous spikelets, Avliicli terminate the branches. Bractes fili- 

 form, and like every other part of the plant, downy. Calyx 

 somewhat oibbous, mouth five-cleft, downy; coral, upper 

 lip erect, entire, shorter than the stamina ; the loioer one three- 

 lobed, with the middle tube cordate, emarginate, of a lively 

 purple colour, and mucli larger than the paler coloured, pos- 

 terior, or lateral lobes. Filaments nearly equal, and adher- 

 ing to each other. Anthers on the short, or exterior pair of 

 filaments, twin, on the long or inner pair, single. 



2. A. disticha. Roxb. 



Annual, ramous. Leaves cordate, serrate, downy. Spikes 

 axillary, two-cleft, recurvate, secund. Bractes subulate. 

 Loiver otit/iers twin. 



Ballota disticha. Llvn. sp. pi. ed. Willd. iii. 108. and pro- 

 bably Nepeta indica of the same, iii. 57. 



Beng. Gobura. 



Tsjadaen. Rheed. Mai. x. t. 88. 



This is one of our largest annuals ; it grows in hedges, &c. 

 where the soil is good and dry. Flowers during the wet and 

 cold seasons. 



Stems erect, four-sided, with a few pairs of opposite 

 branches, downy, from three to six feet high. Leaves oppo- 

 site, petioled, cordate, obtusely serrate, very soft, downy, three 

 inches long, and two broad. /^/o<reri seemingly verticclled, 

 but are arranged alternately ; ovula recurved ; spikes sessile 

 in the opposite axills; there is always a single flower stands 

 between the pair of spikes. Bractes subulate, hairy, two to 

 each flower. Calt/x gibbous, five-toothed, (never ten-striat- 

 ed). Carol ; tube length of the calyx ; upper lip green, short, 

 entire, projecting ; under lip many times huger, recurved, 

 about the middle it is enlarged with two wings, beyond which 

 it expands into two, large, deep purple, orbicular, crenulate, 

 depentlnig segments. Stamina the short pair twin. Anthers^ 

 the larger >ingle. 



Obs. The family character does not well accord with that 



