Fig. 399: Rumex verticillata: a, basal part of plant, x ""fj; b, node, x %; c, top of 

 plant, X Mu d, flower, x 4; e, young fruit, x 4; f, mature fruit, x 4. (Courtesy of R. K. 

 Godfrey). 



2. Rumex hastatulus EII. Heart sorrel. 



Perennial herb, 15-80 cm. tall, slender, erect; leaves pale-green, often crowded 

 near the base, the basal ones 2-10 cm. long and 3-18 mm. broad, lanceolate to 

 oblong-linear or usually with hastate bladelike portion and a long narrow basal 

 portion; inflorescence leafless, narrow; flowers unisexual; valves 2.5-3 mm. long, 

 2.7-3.2 mm. broad, longer than the achene, without grains; achene 0.9-1 mm. 

 long, 0.6-0.7 mm. thick. R. En^elmannii Mcisn. 



Very abundant in open wet or dry sandy ground, in seepage along streams and 

 in wet soils about lakes and ponds, in s.e. Okla. (Johnston, Pushmataha and Mc- 

 Curtain cos.), in e., s.e. and n.-cen. Tex. and N. M. (Sandoval and Taos cos.), 

 spring; Gulf States, n. to N.C., 111., Mo. and Okla., a waif even farther n. 



The name, through error, has sometimes been spelled ""hastulatus." 



3. Rumex verticillahis L. Swamp dock. Fig. 399. 



Perennial herb; stems erect, 4-10 dm. tall, slender, commonly purplish; basal 



800 



