REVISION OF RUMEX. 95 
1.5x2 cm., rhombic ovate to oblanceolate, obtuse to acute, 
cuneate, not wavy, reduced and ultimately obsolete on the 
branches; flowers in the upper axils, forming slender spike- 
like racemes, few in a whorl; pedicels once or twice as long 
as the fruit, at length much dilated and involute above so 
as to appear clavate, jointed below the middle, frequently 
papillate; outer sepals rather large, reflexed or arcuately 
spreading; valves 1x2 mm., somewhat 3-nerved, with a 
few transverse veins, acute or acutish, with about 3 broad 
hooked teeth on each side; callosities 3, minute, basal, 
acute margined ; achene .7x1.3 mm.— Sp. 1. (1753), 336; 
Steinheil, Ann. Sc. Nat. 2 ser. ix. 193, pl. 7; Meisner, 
DC. Prod. xiv. 62.— A Mediterranean species of some- 
what the habit of Acefosa, represented by a single collec- 
tion from Louisiana (Port Eads, May 6, 1885, Langlois, 
no. 95 and 134). — Plate 33. 
