BRITTON: FLORA OF THE VIRGIN ISLANDS 31 



Eggers). Not found by us on St. Thomas, but collected on Tortola 

 at about the same elevation. 



Cyperus LAEVIGATUS L. [C. laevigatus albtdus Eggevs; C. mucro- 

 natus Rottb. ; Juncellus laevigatus Clarke.] Wet grounds, St. Thomas; 

 St. Croix. 



Cyperus surinamensis Rottb. Wet or moist grounds, St. 

 Thomas. 



Cyperus ochraceus Vahl. Moist grounds, St. Croix. 



Cyperus elegans L. [C. viscosus Sw.] Wet saline grounds, St. 

 Thomas; St. Jan; St. Croix. 



Cyperus sphacelatus Rottb. Pastures and hillsides, Signal Hill 

 and Crown, St. Thomas. 



Cyperus compressus L. Moist ground. Haven Sight, St. Thomas 

 (according to Eggers). Not found by us on St. Thomas, but collected 

 on Virgin Gorda, Vieques and Culebra. 



Cyperus distans L. f. [Cyperus Eggersii of Millspaugh.] Pas- 

 tures and ditches. Signal Hill and St. Peter, St. Thomas; Mt. Eagle, 

 St. Croix. 



Cyperus esculentus L. [C. esculentus macrostachyus Boeckl.] 

 St. Thomas (according to Clarke). 



Cyperus articulatus L. Wet grounds, St. Thomas; St. Croix. 



Cyperus rotundus L. [C. Hydra Michx.] Waste and cultivated 

 grounds, St. Thomas; St. Jan; St. Croix. 



Cyperus cayennensis (Lam.) Britton. [Kyllinga cayennensis 

 Lam.; Mariscus flavus Vahl; Cyperus fiavus Nees; Cyperus flavo- 

 mariscus Griseb.; Mariscus cayennensis Urban.] Grassy places, St. 

 Thomas; St. Croix. 



Cyperus granularis (Desf.) Britton. [Mariscus gracilis Vahl; 

 Kyllinga filiformis capillaris Griseb.; C. capillaris of Millspaugh.] 

 Sandy soil, near the coast, St. Croix. 



Cyperus tenuis Sw. St. Croix (according to Clarke). 



Cyperus ligularis L. [Mariscus rufus H.B.K.; M. ligularis 

 Urban.] Moist, especially saline soil, St. Thomas; St. Jan; St. 

 Croix. 



Cyperus confertus Sw. [Mariscus confertus Sw.] Hillsides and 

 thickets, St. Thomas; St. Croix (according to Grisebach). 



Cyperus purpurascens Vahl. Coastal rocks. Water Island, St. 

 Thomas; St. Croix. 



Cyperus brunneus Sw. [C. brizaeus Vahl; C. Ottonis Boeckl.; 

 C. discolor Boeckl.; Mariscus brunneus Clarke.] Coastal sands, St. 

 Thomas; St. Jan; St. Croix. 



Cyperus ferax L. C. Rich. [C. pennatus of Eggers; C. flexuosus 

 Vahl ; C. odoratus of Eggers ; Torulinium ferax Urban ; C. Michauxi- 

 anus of Millspaugh.] Wet grounds, St. Thomas; St. Croix. 



