2 DIDYNAMIA GYMNOSPERMIA, Ajuga. 
mous spikelets, which terminate the branches. Bractes fili- 
form, and like every other part of the plant, downy. Calyx 
somewhat gibbous, mouth five-cleft, downy; corol, upper 
lip erect, entire, shorter than the stamina ; the /ower one three- 
lobed, with the middle tube cordate, emarginate, of a lively 
purple colour, and much 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. 
Lower anthers twin. 
Ballota disticha, Lim: Sp pl. ed. Willd. ii 
bably Nepeta indica ofthe sae, 57. 
Beng. Gobura. 
Tsjadaen, Rheed. Mal. x. ‘t 88. 
This is one of our largest annuals ; ; it grows in hedges, &c, 
where the soil is good and dry. Floi ois 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. Flowers seemingly verticelled, 
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. Calyx gibbous, five-toothed, (never ten-striat- 
ed). Corol ; tube length of the calyx ; upper lip green, short, 
entire, projecting ; under lip many times larger, recurved, — 
about the middle it is enlarged with two wings, beyond which 
it expands into two, large, deep purple, orbicular, crenulate, 
depending segments, Stamina the cond pair twin. Anthers, 
the larger singetb: 
Obs. The family character doeé not well. Gecord with hat 
* 
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