TRIANDRIA MONOGYNIA/ ^5 



Spikes very slender. Valves purple with a green keel. Stmi near# 



ly cylindrical. Pursh- 



Grdws along the margins of ponds and ditches. 

 Flowers July — August, t 



* 



6. COMPRESSUS, 



C. culmo triquetro, [ Stem 3 atigled, tiak- 

 Hudo ; lUTibellis composi- ed ; umbels compound ; 

 tis; spiculis capitatis, mul- [ spikelets capitate, many 

 tifloris; glumisacuminat- flowered; glumes acumi 

 isjlateribusmembraaace- nate, with their margins 

 *s. r.^. I membranaceous. 



Sp. pi. 1. p. £82. Sloan, Jam. I. p. lir. t. 7&. f. I. 



' Stem 3— -8 inches high, with the angles obtuse. Leaves shdrter than 

 the stem, linear-lanceolate, margins and niitlrib entire. Spikelets 

 nearly sessile, somewhat capitate, oblong-lanceolate, many flowered 

 (16—27.) Glumes not mucronate, the keel green, sides membranous, 

 nearly white. Filaments 3. Style 3 cleft. 



The glumes are sharply acuminate, but not mucronate as represent- 

 ed in feloan»s fi-ure; neither is the panicle, with us, in general so much 

 divided. In other respects the representation is good. The C. com^ 

 pressus of \alil and Pursh, (1. p. 51.) appears to be a diifereut plant* 



Grows in dry sandy pastures. Around Beaufort, common. 



Flowers August— September. 



7. BR1Z.E17S. Richard. 

 C. spiculis oblongo-ova- [ Spikelets oblong ovate, 



tis, obtusis ; umbellulis obtuse ; partial umbels 

 confertis, aphyliis; foliis | crowded, leafless ^ leaves 

 angustis. Rich. Linn. | narrow. 

 Soc. Paris, p. 106. 



Pursh, 1. p. 51. 



Orows in the swamps of Carolina 

 Fiowers July. 



■'■r 



8. Vegetus. 



C. culmo gracilj, ob- I Stem slender, obtuse- 

 tuse triquetro ; umbeilis | ly 3 angled ; umbels de- 

 Uecompositis ; spicidis compound; spikelets 0- 

 ovalibusj sub globoso- [ val, in compact globose 



I 



) 



'<^ 



