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482 PENNELL: PLANTS OF SOUTHERN UNITED STATES 
A 
Leaves lanceolate, conspicuously hirsute, lateral 
nerves prominent. it Sm 
Petals 10-14 mm. long. Hypanthium 7-8 mm. long, its 
neck slightly shorter than the body. Stem relatively 
sharply angled. 10. R. interior Pennell. 
Stem conspicuously wing-angled, the internodes sparsely hirsute 
to glabrous. Leaves rounded at base, the upper clasping. 
Neck of hypanthium much shorter than the body. Petals 
deep purple-pink. 
Internodes of stem sparsely hirsute. Leaves ovate. Hypan- 
thium hirsute. . R. virginica L. 
Internodés of stem glabro yt aves ovate-lanceolate. 
Hypanthium sparsely sanduarpubescen : to gla ; 
a Pursh. 
Apex of hypanthium lanose with SBT — ce Calyx-lobes- 
more than one-half length of hypanthiu . 
13. R. aristosa Britton. 
Leaves firm, glaucescent, lateral nerves following closely the margin of the - 
blade; upper surface glabrous. Hypanthium densely glandular-pubes- 
cent. — 14. R. Alifanus Walt. 
RAIMANNIA DruMMONDII (Hook.) Rose 
Collected in flower October 12, 1912; beachs and, Sullivan 
Island, Charleston County, South Carolina, my number 4857. 
Extensively spreading from Texas along the coastal dunes of the 
southeastern states. | 
MYRIOPHYLLUM PROSERPINACOIDES Gill. . 
Pool in long-leaf pine-land, Mandeville, St. Tammany Parish, 
Lousiana, my number 4205. Established also in ditches at 
Houma, Terre Bonne Parish. Naturalized from Chile. | 
