70 NEOPHYTON 



obtuse — New York to Carolina, called P. an- 

 gustif. by many, not at all deltoid, lobes deep 

 rounded, breadth of leaves about one third of 

 length, spikes 2 or 3 inches long. Var. angus- 

 tifolia leaves still narrower, Var. albijiora with 

 white flowers. 



419. Unisema acutifolia Raf. 6 P. cordata 

 Lamark. Leaves cordate acute, spike terete, 

 segments oval oblong — Carolina found by H osc, 

 I have not seen it yet, is it a Var. of U. lati- 

 foHa ? 



420. Unisema heterophylla Raf. 8. Leaves 

 oblong lanceolate obtuse, base subcordate or 

 truncate, stem leaf cordate on long petiol, spike 

 oblong, peduncle equal to spatha, segments li- 

 near oblong — New York to Louisiana, found at 

 Trenton falls of Delaware and on the R. Ohio, 

 a small plant, 12 to 18 inches high, leaves 1 to 

 3 inches long very narrow, therefore the P. an- 

 gustif. of some botanists. Var. lanceolata^ 2 

 stenocardia, 



421. Unis. lancifolia Raf. fl. tex. 27. Pont, 

 lanceolata Mg. Elliot. Leaves linear lanceol. 

 base rounded or acute, end acute — Florida to 

 Texas. Leaves 3 or 4 inches long broader 

 than in last, sometimes ovatoblong, but really 

 acute. 



422. Unis. obliquata Raf. m. fl. 4. Leaves 

 more or less obliqual with unequal sides, obtuse 

 oblong cordate or subhastate, spikes ovatoblong 

 peduncles equal to spatha, segments linear ob- 

 tuse—from New Jersey to Virginia, about 2 

 feet high, leaves 4 to 6 inches long, spikes one 

 inch. 



423. Unis. latifolia Raf. 5. Pont, cordata 

 of most botanists. Leaves ovate broadly and 

 deeply cordate very obtuse, spike oblong terete 



