TRTANDRIA MONOGYNJA. 63 



V 



Stem erect, 2 feet liigh. Leaves linear lanceolate, glabrous, finely 

 «enulate, 8—16 inches long, S — 4 lines vide, sheath at their base 

 closed. Flowers in panicles, everj way expanding; common pedun- 

 cle a little longer tlian the sheath feacK spikelet on a peduncle 2—6 

 lines long. Seed crfiwned with a very small tubercle. 



Grows in wet soils, in pine barrens generally^ 



Flowers May — August. 



3 



CYPERUS. Gen. pl. 93. 



■t 



Glumw paleacrsB, dis- | Glumes chaflfy, imbri- 

 tiche irtibricatae/ Corolla cate in 2 rows. ' Corolla 

 0. Seinm i, nudum. | o. Seed one, naked. 



1. AuricuLArrs. 



C. culmo tereii, nudo, | Stem columnar, nak 

 artiailuto. Sp. pl. i. p. ed, iointed. 



Mich. l.p. 9.7. Pursli, 1. p. 50. 



iZoo? jointed, creeping, perennial. Stem erect, 3—6 feet hi^h, fil- 

 led with a spongy pulp and irregularly jointed, cothed at basewith 2 

 or 3 small slieath-like leaves. Flowers in compoond umbels' ; the spike- 

 lets subulate, many flowered (10—20.) Scales of the calyx lanceo- 

 late, ratlier obtuse: midrib green, the sides membranaceous, white 



Spotted 



Filaments 3, ^in 



ihers oblong, 2 lobed, yellowish. Germ ovate, %/e filiform, longer 

 than the glumes. Stigmas 3, simple, acute. 



Grows in wet places, in the river swamps at Ogechee, around 

 ponds on Hilton Head. =" ' 



Flowers June— August. Jointed Ct/perus. 



2. FvsciCULATUS. E. 



C. spiculis ovatoob-| Spikelets ovate oblong, 

 londs, niultifloris, fasci- | many flowered, in tern«- 

 culato-terminalilms ; in- | nal fascicles; involucrum 

 volucro diphyllo foliis- I two leaved, and with the 

 que angustissime lineari- leaves Unear and very 

 hus. E. I narrow. 



Stem 6 inches higlj, 3 angled. Leat'es 1—2, rerj narrow, almost 

 setaceous, shorter than the'stem. Involucrum 2 leaved, o^e scarcely 

 longer than the spikes, the other very long. Spikelets 5—7, all, in my 



spt-cimens, sessile, 12—24 flowered. 



P 



keel 



o 



E 



