New or rare PLants of the State of New York. 233 



JUNCE^. 



30. JuNcus Stygius, Linn. Willd. Sp. PL II. p. 215. 

 Wahl. Fl. Suec. 1. p. 213. 



In an extensive sphagnous swamp bordering Perch Lake, 

 Jefferson county : August. This species has not previously 

 been known as a native of North America. 



31. J. SETACEUS, Rostkow, JhTic.^. 13. tab. 1. Torrey, 

 Fl. 1. p. 360. 



Shore of Lake Ontario, near Sackett's Harbour. 



32. J. ECHINATUS, Muhl. Gram. p. 207. Ell Bat. S. 

 Car. 6f Georgia, I. p. 410. 



With the preceding ; perhaps not distinct from J. polyce- 

 pkalus, Michx. 



POD0STEME.E. 



33. PODOSTEMON CERATOPHYLLUM, Michx. FL 11. p. 165. 



tab. 44. 



In flowing water, Watertown, Jefferson county, Dr. Crawe. 



GRAMINE^. 



34. ViLFA HETEROLEPis, {sp.nov.); foliis setaceis ; pani- 

 cula pyramidata, sparsiflora ; gluma inferiore subuUformi, su- 

 periore ovata, cuspidata, subduplo breviori ; valvulis perianthio 

 subaequaUbus, muticis, gluma extima paulo minori. 



Root perennial. Culm 1 — 2 feet in height, smooth. Leaves convolute- 

 setaceous, with the margins hispidly scabrous upward ; the lower ones 

 equalling the culm; the upper ones much shorter. Lower sheaths pilose ; 

 upper ones smooth. Panicle pyramidal, spreading or subcontracted; 

 branches solitary, nearly simple, few and loosely flowered. Glumes pur- 

 plish ; the outer one reduced to a subula, about one half the length of the 

 inner one, which is strikingly membranaceous in texture, ovate or ovate- 

 oblong, one-nerved, with the nerve produced into a short cusp. Valves 

 of the perianth oblong-lanceolate, rather obtuse, thin and membranaceous, 

 a little shorter than the superior glume. Inferior valve, obscurely one- 



