598 ‘ORD. XXIII. Siliquose. 
this remedy has been generally found unsuccessful. Greeding, 
who tried it in a great number of cases, and in large doses, ex- 
perienced but one instance of its good effects.*. The dose of the 
powdered flowers is from half a dram to two drams. 
“ Ludwig. Advers. Medico-pract. Vol. 3. P. 3. p. 564. 
iii. 
SISYMBRIUM NASTURTIUM. -WATER-CRESSES. 
a 
SYNONYMA. Nasturtium aquaticum. Pharm. Lond. & Edinb. 
Nasturtium aquaticum supinum. SBauh. Pin. p. 105. Nastur- 
tium aquaticum, sive Crateve Sium. Gerard. Emac. p. 257. 
Sisymbrium Cardamine sive N. aquaticum. J. Bauh. Hist. vol. 
2. p. 884. N. aquaticum vulgare. Raii ITist. 816. Synop. p. 
300. Park. Theat. p. 1239. Sisymbrium foliis pinnatis, pinnis 
subrotundis, brevibus racemis. Hal. Stirp. Helv. n. 482, 
Sisymbrium Nasturtium. Withering. Bot. Arrang. p. 690. 
Flor. Dan. t. 690. Curt. Flor. Lond. Kag3dayim s. Sur Dioscorid,. 
Class Tetradynamia. Ord. Siliquosa. Lin. Gen. Plant. 813. 
Ess. Gen. Ch. Siliqua dehiscens valvulis rectiusculis, Calyx patens. 
Corolla patens. 
Sp. Ch. S. siliquis declinatis, foliis pinnatis: foliolis subcordatis. 
THE root is biennial, long, creeping, and beset with several 
close tufts of long slender fibres: the stalks are thick, branched, 
and frequently rise above a foot high: the leaves are pinnated, 
and consist of two or three pair of irregular oblong pinnz, 
terminated by an odd one, which is the largest: the flowers are 
disposed in short terminal spikes, and appear in June and July: 
the corolla consists of four petals, which at their extremities are 
roundish, spreading, and of a white colour: the calyx is of four 
