TETRADYNAMIA SILIQUOSA. 153 
Amara, Bitter Crejjes with pinnated leaves, and joints 
bearing Ihoots* In meadows and paftures. Per, Aprils 
May, 
Impatiens, Irapatient hadf s Smock with pinnated 
leaves, the fmall leaves lanceolated, and petals foon fal- 
ling away. An. April. 
Parvifiora, Small flowered Ladfs Smock with pinnated 
leaves without flipuls, the fmall leaves are lanceolated 
and obtufe. March — May. - 
Hirjuta, Hairy Lady's S^nock with pinnated leaves and 
flowers with only five flamina. An. April — Aug, 
SISYMBRIUM. Water-Cresses. 
The cup is tetraphyllous, the leaves are linear, patent, 
coloured, diciduous. The flower is tetrapetalous, and 
cruciform. The petals are oblong, patent, often lefs 
than the cup, with very fmall ungues. There are fix 
filaments longer than the cup, the two oppofite ones 
being fomewhat fliorter and the anthers are Ample. 
The germen is oblong and flender, there is fcarce any 
ftyle and the ftigma is obtufe. The filiqua is long, 
crooked, gibbous, round, bilocular, and has two valves, 
the valves are fnorter than the diflepimentum, and the 
feeds are numerous and fmall. 
Obf. Sophia has a flower fnorter than the cup, and 
a very flender and long filiqua. 
RadicuH D. have very fhort gibbons filiqus. ^ 
Nafturthim, Water Crefles with declining pods, pin- 
nate leaves and fubcordate lobes. Per. 
Syhcfter. Water Rocket with declining pods, pinnate 
leaves, and lanceolated, ferrated lobes. In wet marfhy 
places. In Pothil-fleW s^ VAefl. Black’s Spec, Bot, Per,, 
June. 
Amphihium. Water Radifh with declining, oblongo- 
ovate pods, ferrated, pinnatifid leaves. Per. June. 
X. 
Suck 
