50 
TRIANDRI A M0N0GYNIA. 
articulatus. 
Kyllingceoi - 
des . 
uncinatus. 
poceformis. 
56. CYPERUS. Gen.pl. Q3. 
* Culmo tereti . 
1. C. spiculis compressis elongatis nitidiusculis, involucro 
subnullo, culmo articulato. Vahl. enim. pl. 2. p. 301. 
Icon. Sloan, hist. jam. 1. t. 81. f. 1. 
In small slow streams : Carolina and Georgia. Tf. . July. 
v. v.. 
** Culmo triquetro. 
|| Spiculis aggregatis. 
2. C. capitulo globoso, spiculis oblongis convexis subocto® 
floris, involucro tetraphyllo foliisque carinatis laxis. 
Vahl. enum. pl. 2. p. 312. 
Icon. Rottb. gram. t. 4.f 5. C. dubius, p. 20. 
In wet pine- woods : New Jersey, Carolina, &c. I/ . 
June. v. v. 
3. C. capitulo subgloboso glomerato, spiculis linearibus 
suboctofloris : valvulis lanceolatis recurvato-acumina- 
tis, involucro subdiphylio 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, bi uncialis. Invo- 
lucri foliola 2. interdum 3. unum culmo longius, struc- 
tura foliorum. Capitulum solitarium, conglomera- 
tum, ratione plantae magnum. Spiculce numerosae, 
divaricatae, lineari-oblongae, 6— 8-florae : valvulae 
lanceolato-ovatae, longe acuminatae, apice divaricato 
quasi uncinatira reflexae, nervosae, pallide castaneae, 
margine albidae. C. pygmeeo affinis. 
4 . C. spiculis oblongis complanatis fasciculato-corymbosis : 
fasciculis sessilibus pedunculatisque, involucro tri- 
pbyllo longissimo. 
In sandy fields : South Carolina, &c. I/ . July. v. v. 
Planta spithamaea. Folia angusto-linearia, glabra, vix 
longitudine culmi. Culmus trigonus, glaber. Invo- 
lucrum triphyllum ; foliolis 2. longissimis. Fascicu- 
lis florum ovatis, sessilibus, uno alterove brevi pe- 
dunculate. Ochrece truncatae, coloratae. Spiculce ovato- 
oblongae, circiter octo, breves, quatuor — sex-florae: val» 
vulae ovatae, obtusae, carinatae, flavescentes. An C. 
difformis ? 
