384 North American Cyyerace<s. 
specific phrase of Willdenow unaltered, neither of them haring 
seen the plant. 
Hypoporum verticillatum, N. ah E. 
Culm filiform, triquetrous, and, with the leaves, glabrous ; 
fascicles 4 — 6, alternate, sessile, rather distant, forming an in- 
terrupted spike ; bracts minute, setaceous ; nut globose, with 
a somewhat triangular base, rugose-verrucose, abruptly api- 
culate. 
H. verticillatum, N. ah Esenb. in Linneea, 9. p. 303 
Scleria verticillata, Muhl. in Willd. sp. 4. p. 317. (excl. syn.) and 
gram.! p. 266. (excl. syn.); Elliott, sk. 2. p. 261; Gray! Gram. Sf 
Cyp. part 2. no. lOO. 
Culm 6 — 8 inches high, very slender. Leaves linear, very narrow, 
flat, shorter than the culm. Fascicles composed of 4 — 5 very few- 
flowered, sessile spikelets, rather distant, alternate, sometimes appear- 
ing as if verticillate. Bracts setaceous, about as long as the fascicles, 
minutely scabrous upward. Scales of the fertile flowers ovate, glabrous, 
purple, with a strong, upwardly scabrous, green keel, which is pro- 
daced into a short cusp.^ Nut a little more than half a line in diameter, 
strongly and somewhat rugosely papillose, with a short abrupt mucro- 
nation, and an indistinctly 3-sided base, destitute of pores. 
Hab. Pennsylvania and Carolina, Muhlenberg and Elliott; 
Penn-Yan, New York, Dr. Sartwell ! 
Obs. This beautiful little species resembles H. pergracilCi 
N. ah E., an East Indian species, but is distinguished by its 
setaceous bracts, &c. 
