The Cryptogamous Plants of Dr. Roxburgh. 469 



spike. Pollen or seed pale blue, composed of spiral threads, 

 which are in constant motion when observed at a proper 

 age ; when examined earlier, they appear to be simple, mi- 

 nute, round, green grains, without motion. 



2. MARSILEA. Lemma, Jussieu. 



Involucre, or receptacle oval, shut, (transversely) many- 

 celled ; cells with anthers and pistils, which ripen into single 

 seeds. 



1. M. quadrifolia. Linn. Spec. 1563. Icon. Roxb. 14, t. 80. 



Creeping. Leaves quatern ; leaflets of the barren shoots 

 very long-petioled, broad-obovate, large and entire, of the 

 fertile small, and truncate-dentate. Capsules short-pedi- 

 celled, subreniform, one or two-toothed at the base. 



Teling. Chick-linta-kura. 



Beng. Shooshnie-shak, who eat the leaves in their curries, 

 &c. 



Common on the borders of fresh water lakes, &c. over 

 India, where it fructifies during the cold season. The 

 long-pedicelled, oval capsules of Burman's M. coromande- 

 liana, Flor. Ind. t. 62. f. 3, indicate a different plant, yet 

 I never could find any other, though long and diligently 

 looked for. 



3. SALVINIA. 



Male. 



Female. — Capsules among the roots, 1 -celled, many- 

 seeded. 



1. S. verticillata, R. 



Floating. Leaves opposite at the joints, petioled, oval, 

 flat, verrucose. Capsule from the under-side between the in- 

 sertion of the leaves, pedicelled, surrounded with a verticil 

 of long, hairy roots. Seeds numerous on a free central 

 receptacle. 



Beng. Ulki-pana. 



