94, 
1. Leaves without basal lobes, entire or with crisped 
or uneven margins; racemes greenish, brown in fruit; 
flowers monoecious or perfect; vertical taproot. 
2. Margins of leaves entire, not crisped or uneven. 
(Also, margins of valves entire). 
3. Salt marsh or sub-aquatic habitat; leaves 
narrowly elliptic; fruiting pedicels clavate 
and He LUSK re are ace etahe ele er erore catote: oreke tate cabo revehatadehe R. verticillatus 
3. Terrestrial habitat; leaves oblong-lonceolate, 
with cordate bases in one species; fruiting 
pedicels slender, not reflexed. Expected 
(R. altissimus). 
2. Margins of leaves undulate or crisped. 
4. Valves entire or obscurely dentate. (Also, 
valves broadly ovate; leaves with crisped 
OF NeCrumplled™ margin). 6. scc cece ccc cn ses sc sie eet Re. CEISpUuS 
4, Valves with long teeth. (Also, habitat not saline; 
margins of leaves slightly uneven). 
5. Plant 2-7 dm. high; length of panicle more 
than? 4/2: hetght#of* plants. 21.2 .seeecccsessces Re pulcher 
5. Plant 6-15 dm. high; length of panicle less 
than 1/2 height yofipllanth. ssiiccelsiewm eclgecln jee) Re Obtusttolaus 
Rumex acetosella L. Red Sorrel 
Java Farm and Ivy Neck. Infrequent to moderately abundant in 
dry, open soil (abandoned fields, roadsides, etc.) Higman 590, 
759, 1083. 
R. verticillatus L. Water Dock 
Java Farm. Moderately abundant in salt marshes along Muddy 
Creek. Associated with Panicum virgatum, Scirpus spp. 
Ivy Neck. Moderately abundant in estuarine salt marshes and at 
coastal overflow ponds on Cheston Peninsula. Higman 289, 945. 
R. crispus L. Sour Dock 
Ivy Neck. Infrequent in abandoned wheatfield. Also one station 
in dry, sandy halophytic marsh on tip of Scaffold Peninsula. Higman 
68875,,.852,,, 95, 97/5. 
