Jlyi'Ostis. TRIANDRTA DIGYNIA. 317 



3. A. Malrella. Linn. sp. pi. ed. Willd. i. 366. 

 Creeping. Leaves pungent. Spikes terminal, solitary, 



few- flowered. 



A native of the barren sandy lands, near the sea on the 

 coast of Coromandel. 



4. A.diandra. Linn. sp. pi. ed. Willd. i. 371. Retz. Obs. v. 

 N. 37. 



Smooth. Culms erect, from one to three feet high. Panicle 

 linear, branchlets short, expanding ; flowers paired, diandrous. 

 Calyx scarcely half the length of the corol. Seed naked, obo- 

 vate, rugose. 



Beng. Bena-joni. 



A native of moist pasture ground, in the vicinity of Cal- 

 cutta. 



Culms nearly erect, from one to three feet high, almost co- 

 vered With the sheaths of the leaves. Leaves narrow, tapering 

 to a fine point, smooth; mouths of the sheaths slightly beard- 

 ed. Panicle linear-oblong, bowing a little, often a foot long, 

 composed of expanding, alternate, compound, seemingly sim- 

 ple racemes. Flowers in pairs on a common peduncle, but 

 unequally pedicelled. Calyx, valves equal, scarcely half the 

 length of the corol, smooth, membranaceous. Stamens two. 

 Seed narrow-obcordate, dropping from the calyx and corol, 

 brown, obtusely rugose. 



5. A. maxima. R. 



Culms erect, from four to twelve feet high. Panicle ovate, 

 expanding. Calyces minute, exterior valvelets of the corol 

 fringed with long hairs. Stamens two. 



This is the largest species 1 know ; it is a native of hedges, 

 &c. amongst the mountains. 



Root ligneous, perennial. Culms erect, from four to twelve 

 feet high, often as thick as the little finger, round, and 

 smooth, inside replete with a fibrous spongy substance. 

 Leaves smooth, from one to two feet long ; and from one to 



