1871.] S. Kurz— On Indian Plants. 55 



A. Flowers solitary, (or seldom and only occasionally 2-3), sessile, 

 or pedicelled, in the axils of the leaves, forming often spikes or 

 racemes ; capsules 2-3 — valved. 



a Calyx companulate, twice as long as broad ; capsules about 

 half so long as the calyx-tube, enclosed. 



(1.) Leaves very shortly petioled, 1 -nerved, linear; flowers soli- 

 tary, sessile ; pygmaean plant, A. dentelloides, Kurz. 



2.) Leaves usually sessile, strongly penninerved, obvate to ob- 

 long ; flowers sessile, forming lateral and terminal leafy or bracted 

 spikes, , A. pephides, Spreng. 



(3.) . Leaves sessile, almost orbicular, penninerved ; flowers 

 on slender short pedicels, forming shorter or longer slender ra- 

 cemes, A. subrotunda, Wall. 



(4.) Leaves sessile, orbicular or nearly so, penninerved ; flowers 

 sessile in terminal peduncled, bracted, simple, or slightly compound, 

 spikes, . . . . , A. rotundifolia^ Buch. 



(3 Calyx hemispherical, about as long as broad ; capsules pro- 

 truding from the calyx, or at least as long as the calyx-tube. 



(5.) Leaves linear, 1 -nerved, very shortly petioled ; calyx 4- 

 angular and 4-toothed, about |-| lin. long ; no petals ; pygmaean 

 herb, A. pygmoea, Kurz. 



(6.) Leaves oblong to linear- oblong, 1 -nerved, very shortly petio- 

 led ; calyx not angular, 4-toothed, about \ lin. long ; flowers very 

 shortly peduncled ; pygmaean herb, A. shipliciuscula, Kurz. 



(7.) Leaves oblong to linear, sessile, 1 -nerved or the lateral ner- 

 ves very faint ; calyx usually 5 -toothed, not angular, £-1 lin. long, 

 petals 5, A. pentandra, Eoxb. 



B. Mowers sessile or more usually pedicelled, axillary, clustered 

 or in cymes, the latter sometimes reduced to a 3-to-l flowered 

 cyme ; capsules irregularly bursting. 



(8.) Leaves narrowed at the base, petioled or sessile ; flowers mi- 

 nute, apetalous, on slender penicels, forming sessile or very shortly 

 peduncled cymes or clusters, A. baccifera, L. 



(9.) Leaves sessile, with cordate, sagittate or dilate base ; pe- 

 tals present. Capsule under a line long ; stamens 4 or fewer ; 

 petals flat ; calyx 4-toothed, without accessory teeth ; cymes 

 slender, A. inultiflora, Boxb. 



