486 
RUMEX HYDROLAPATHUM. 
WATER DOCK 
'^" i " 
STN NTH J. Hydrolapathum. Pharm. Edinb. Lapathuro 
aquaticum, folio cubitali, Baub, Pin. p. 116. Hydrolapathum* 
marnum. 
Gerard Emac. p. 389. Hydrolapathum majus 
Tbeat. p. 1225. Rati Hi/?, p. 171 
nop 
140 
1.. 
I 
Park 
Lap a 
• 
thum foliis lbnge lanceolatis, paniculis denfiffimis.. Hall, Stirp*,. 
* 
Helv. n. 1588. R. Hydrolapathum. Hud/on, Flor. Ang^p^i^ 
Withering. Bot. Arr. p. 374. Relban. Flor. Cant. p. 149, 
Clafs Hexandria. Ord. Trigynia. Lin. Gen* Plant. 45 1«. 
EJf. Gen.Cb. Cal. 3-phyllus. Petala 3,. conniventia. Semen unicum 
triquetrum 
Sp. Ch* 
R 
Kr 
fioribus hermaphroditis : valvulis 
foliis lanceolatis acutis. Hudfon y k a 
graniferis 
> 
>. 
THE root is perennial, large, thick, externally black, internally 
whitifh : the ftera is erecl:, channelled, branched, green, and rifes 
about five feet in height : the upper leaves are long, narrow, and on 
the fiower-fpikes linear and pointed ; thofe at the bottom of the ftem 
are near a foot and a half in length, of a narrow ovate fornij fome- 
what indented at the edges, and Hand upon long ftrong channelled' 
footftalks : the flowers are numerous, and hang in whorled fpikes 
upon flender peduncles : the calyx is divided into three narrow pointed 
permanent fegments : the corolla confifts of three petals, which are 
'•* 
h 
ovate, narrow, pointed : the ftamina are fix,, fhort, flender, and fur 
nifhed with ere<£t double antherse : the germen is turban-fhap 
triangular, and fupports three reflexed ftyles, terminated 
rough 
glandular ftigmata : the capfule is formed of the three petals, which 
by approaching each other aflume a triangular form, and in this flate 
are 
