30 
TRIANDRIA, MONOGYNIA. 
eclunatus. 
iretrofractiis. 
I'lomeratus, 
Stem a foot or eighteen inches high. Leaves linear lan- 
ceolate. On the margins of rivultets, meadow-drains, and 
ditches, in Jersey, common ; rather more rare this side of the 
Delaware. Perennial. July, August. ^ 
30. Mariscus. Vahl, enum. pi. 2. p. 37'2. ( Cyperoidece . J 
Spikelets few- flowered, almost imbricately ag- 
gregated in roundish or subcylindric heads. 
— Common calix of the spikelets 2-valved, 
(3 to 6, or 8-flowered). Flowers 1-valved, 
sub-imbricate. Style trifid. Seed trique- 
trous. Nutt. 
1. M. culm obtusely 3-angled, glabrous ; umbels 
simple ; heads globose ; spikes linear-lanceolate, 
8 flowered, expanding. Elliots 
Sehoenus umbellatus, Jacquin. collect. 1. p. 113. 
Kyllingia ovularis, Mich. fl. am. 1. p. 29. 
Scirpus echinatus, L. and MuhL Cat. and Decrip. 
Uber. 
Icon. Pluk. aim. t. 91. f. 4. Jacq. ic. rar. 1. t. 
10? (Pursh ) 
Rough Spiked Mariscus, 
From one to two feet high . In wet sandy fields, and on 
sandy road-sides, in Jersey, not rare. Perennial. July. 
2. M. culm obtusely 3-angled, pubescent ; umbels 
simple ; heads obovate ; spikes subulate, 1 -flow- 
ered, reflexed. Elliot. 
Scripus retrofractus, Willd. sp. pi. 1. p. 304. 
Icon. Pluk. aim. t. 415. f. 4. (Pursh.) 
About a foot high. In cultivated fields, common . Peren- 
nial. July. 
3. M. spikes cylindrical, imbricated backward, in^ 
volucrum many -leaved. Vahh 
Mariscus glomeratus, Bart. Prod. fl. Ph. p. 18* and 
Muhl. MS. 
Scirpus cyperoides, Lin. Mant. 18b ? 
