482 PENNELL: PLANTS OF SOUTHERN UNITED STATES 
Leaves lanceolate, conspicuously hirsute, lateral 
nerves pe nent. 9. R. Nashii Small. 
Petals 10-14 m g. Hypanthium 7-8 mm. long, 
neck slightly oe than the body. Sica! eee 
sharply angled. 10. R. interior Pennell. 
Stem conspicuously wing-angled, the internodes sparsely hirsute 
to glabrous aves rounded at base, the upper clasping. 
Neck of hypanthium much shorter than the body. Petals 
eep purple-pink. : 
asics of stem sparsely hirsute. Leaves ovate. Hypan- 
thium hirsute. Il. R. virginica L. 
Internodes of stem glabro Leaves sh oo Reg 
Hypanthium sparsely eae ar-pubescent to co) 
. R. stricta Pursh. 
Apex of hypanthium lanose with oe Sieh cs hairs. 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 red ea 
cent. R. Alifanus Wal 
RAIMANNIA Drummonpt (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. 
