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. Yar. angus- 
tifolia leaves still narrower, Y ar. albifiora with 
white flowers. 
419. Unisema actjtifolia Raf. 6 P. cordata 
Lam ark. Leaves cordate acute, spike terete, 
segments oval oblong — Carolina found by Bose, 
I have not seen it yet, is it a Yar. of U. lati- 
folia ? 
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. Yar. 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 
