Ci. XV. Tetradynamia. 219 



niculi umbilicales brevcs, subulati, basi dissepimento 

 adnati. Semina parva, elliptica, modice compressa, 

 immarginata; testa membranacea, rufo-flava. Em- 

 bryo bicruris: crure altero a basi ad mediam par- 

 tem usque partito f apice radicula brevi terminato. 

 Cotyledones lineares f crassiusculae , radicula triplo 

 quadruplove longiores. 



1) Suuulaiua aquatica. Linn. 



S. aquatica. Dec. Syst. nat. II. p. 697. — Prod. I. p. 235. 



— Spreng. Syst. veg. II. p 870. — Pall. it. II. p. 100. — 



Schkuhr t. CLXXX. — Falk topogr. Beytr. II. p.213. 



Alyssum palustre folio Junci Buxb. in Comment. Petropol. 



II. p. 369. t. 23. /. t. 

 Hab. in aoua slagnanle ad lacum Teletzkoe Osero (B.); ad 

 ripas fl. Ob (JFalk). — Julio defloruit: Q. 



