117 
RU’MEX. 
The segments of the flower are here called 
“‘sepals’’ for brevity, and the descriptions all refer to 
their condition in fruit, when the 3 inner ones are 
enlarged, and form a 3-sided cone. 
Lower leaves with projecting angles at their base. 
Angles of the leaves parallel with the leaf-stalk; the 
f 3 outer sepals bent back in fruit. } AE, 
Aceto’sa. Sorrel. , a 
angles of the leaves diverging ; the 3 outer oe oe 
remaining erect. J 
Acetosella. Sheep’s Sorrel. : 
Lower leaves without projecting angles. 
The 3 inner sepals distinctly toothed. 
( one leaves narrowed at their base; inner See Ge 
| bright-yellow, with very long teeth. J 
4 maritimus. Go/den Dock. 
Lower leaves rounded or heart-shaped at base. 
| at od slender, mostly much longer than ee 
| fruit; lower leaves often 3 inches wide. J 
L obtusifo'lius. road Dock. 
Fruit-stalks stout, shorter than the fruit; lower 
leaves usually narrowed above their base. } 
i pul’cher. /2ddle Dock. 
The 3 inner sepals not (or indistinctly) toothed. 
fal large, swollen tubercle on any of the 3 ae 
sepals in fruit. 3 
L aquat'icus. 
A tubercle on one or all of the inner sepals. 
‘eee sepals wide and heart-shaped at their base ; 
fs 
leaves usually much crisped. 
L cris’pus. Curled Dock. 
Inner sepals not heart-shaped at base. 
Lower leaves over a foot long, narrowed at their 
f base ; tall water plant; (inner sepals all 
| tubercled). Hydrolap’athum. 
‘Leaves rarely 10 inches; land plants. 
* of the 3 inner sepals with a large, 
oblong, swollen tubercle. 
conglomera’tus. 
Only one tubercle enlarged and swollen, the 
other 2 small or absent. 
sanguin’eus. 
ee, 
