TRIANDRIA MONOGYNIA. CyperUS. 



raotinsculi'?, involncellis subnullis, umbellulaeradils al- 

 ternis. Vahl. enuvi. pi. 2, p. 358. JVilld. sp. pi. 1, 

 /). 281. 

 In swamps and ditches^ common. "2/ . July. v. v. 

 ig. C. spicnlis lineari-hinceolatiSj valvulis oblongis oblusis, 

 frucliferis patentibus, involucre longissimo. Fa/tl. 



enmn. pi. 2. p. 360. Mich.Ji. amer. I. p. 2/ 

 C. elegans. IValt.Ji. car. /O. 

 In boggy woods : Pensylvania to Carolina. 1/, 



Au?. V. V. 



July, 



20, 



5a 



Jlavicomus. 



distans. 



22 



speciosus. 



Enslenii, 



C. spicis distichis, spicnlis filiformibus patentibus, flos- 

 culis distantibus, umbella stricta. Fahl. enum. pi, 2. 

 p. 361. Willd. sp. pi. 1. p. 28S. 



Icon. Botib. gram. t. 10. C. elatus. 



In sandy wet woods : Carolina and Georgia, li .v.s. 

 21. C. spicis corymbosis, spiculis subulatis distichis, umbel- 

 Julis involucello brevioribus, ochreis biaristatis, culmo 

 aculangulo, Fahl. enum. pi. 2. p. 364. 



C. virginicus. Jacq. in Herb. Lambert. 



In Virginia. Fahl. 11. v. s. in. Herb. Lambert. 



C. spicis corymbosis oblongis basi ramosis nudis, spicu- 

 lis numerosis divaricatis confertislinearibussubsexfioris, 

 valvulis oblongis striatis, involucre octophyllo umbel- 

 lam subaequante. 



In ditches and near ponds : Virginia to Florida, rare. 

 Aug. V. V. 



Folia radicalia, linearia, S-nervia, glabra, margine ca- 

 rinaque scabra, culrao breviora. Culmus laevigatas, 

 triquetrus. Involucrum suboctophyllum : foliola in- 

 teriora breviora, exteriova radiis umbellae longiora. 

 Umbella compos'ita : radii octo vel decern. Spic^g 

 oblongae, basi raraosae, magnae. Spiculcc numerosae 

 (circiter 100), horizontales, castaneae. An var. C, spe- 

 ciosi P 



I have named this species in memory of Mr. Enslen, 

 through whose generous communication I have been 

 put in possession of a number of grasses and other 

 plants growing in the southern States, 



57. DULICHIUM. Pers. ench. I. p. Q3. 



1. D, culmo triquetro foliosO; spiculis patulls subsexfloris. spathaceum. 

 Pers. ench. /. c. 

 Pleuranthus floribundus. Rich. 

 Cyperus spathaceus. IFilld. sp, pi. 1. p. 28g. 



