50 



TRTANDRIA MONOGYNIA. 



56. CYPERUS. Gen. 



* Culmo tereti. 



93. 



Kyllingaeoi- 

 des. 



uncinatus. 



articulatus. 1. C. spiculis comprrssis elongatis nitidiusculis, involucre 

 subnullo, culmo articulato. Fahl. enum. pi. 2. p. 301. 

 Icon. Sloan, hist. jam. 1. /. 81./. 1. 

 In small slow streams : Carolina and Georgia. 1/ . July. 



V. V. 



** Culvio triquetro. 

 II Spiculis aggregatis. 



2. C. capitulo globoso, spiculis oblongis convexis subocto- 

 floris, involucro tetraphyllo foliisque carinatis laxis. 

 Fahl. enum. pi. 2. p. 312. 



Icon. Rotth. gram. t. 4.f. 5. C. dubius, p. 20. 

 In wet pine-woods : New Jersey, Carolina^ &c. 7/ . 

 June. V. V. 



3. C. capitulo subgloboso glomerato, spiculis linearibus 

 suboctofloris : valvulis lanceolatis recurvato-acumina- 



tis, involucro subdiphylJo longissimo. 

 On overflowed gravelly banks of rivers and lakes : Ca- 

 nada, in New York, on Lake Champlain. ^ . June. 



V. V. 



Planta pusilla. Folia linearia glabra, longitudine culmi. 

 Culmus setaceus, acute triquetrus, biuncialis. Invo- 

 lucri foliola 2.interdum 3. unum culmo longius, struc- 

 tura foliorum. Capitulum solitarium, conglomera- 

 tum, ratione plantae magnum. Spiculee numerosae, 

 divaricatae, lineari-oblongae, 6— 8-florae : valvulae 

 lanceolato-ovatae, longe acuminatae, apice divaricato 

 quasi uncinatim reflexae, nervosae, pallide castaneae, 

 margine albidae. Cpygmceo a^ms. 



poceformis. 4. C. spiculis oblongis complanatis fasciculato-corymbosis : 

 fasciculis sessilibus pedunculatisque, involucro tri- 

 phyllo longissimo. 



In sandy fields : South Carolina, &c. 1/ , July. v. v. 



Planta spithamaea. Folia angusto-linearia, glabra, vix 

 longitudine culmi. Culmus trigonus, glaber. Invo- 

 lucrum tripliyllum ; foliolis 2. longissimis. Fascial' 

 lis florum ovatis, sessilibus, luio alterove brevi pe- 

 dunculato. Ochrece truncatae, coloratae. Spicules ovato- 

 oblongae,circiter octo, breves, quatuor — sex-florae: val- 

 vulae |ovatae, obtus^e, carinatae, flavescentes. An C. 

 difformii ? 



