674 
D10ECIA DIANDRIA. 
mulisque tomentosis; oles and young branch- 
floribus calyculatis. es tomentose; flowers 
calyculate. 
Sp. pi. 4. p. 1103. Walt. p. 254. Pursh, 1. p. 9. Nutt. 2. p. 231. 
F. Tomentosa, Mich. arb. for. 3. p. 112. 
A tree 50 — 60 feet high, and generally from 1—2 in diameter. Leaves 
opposite, unequally pinnate. Leaflets 3 or 4 pair, ovate-lanceolate, acumi- 
nate with a long summit, serrate, pubescent or tomentose underneath; on pe- 
tioles 2 — 3 lines long. Wing of the fruit oblong-lanceolate, slightly emargi- 
nate, extending nearly to its base. 
Grows in swamps and damp rich soils. 
Flowers March — April. 
6. Triptera. Nutt. 
F. foliolis obovatis, 
integerrimis, subsessi- 
libus, subtus tomento- 
sis, basi obliquis, fructi- 
bus latioribus, obovatis, 
plerumque trialatis, ba- 
si attenuatis. 
Leaflets obov te, 
entire, nearly sessile, 
tomentose underneath, 
oblique at base; fruit 
broad, obovate, gene- 
rally 3-winged, taper- 
ing at base. 
Nutt. 2. p. 232. 
Points of the leaves obtuse, the underside paler and softly villous, the 
common petiole and nerves beneath smooth. Fruit , at first sight, almost 
similar to Halesia; more frequently 3 than 2 winged; the seed also 3-sided, 
Nuttall. 
Grows in the oak forests of Carolina. Nutt. 
Flowers— 
BORYA. 
Masculi. Calyx 4- 
phyllus. Corolla 0. 
Stamina 2 — 3. 
Foeminei. Calyx 4- 
phyllus, inaequalis. Co- 
rolla 0. Stigma capi- 
Willd. 
Sterile Jlorets. Ca- 
lyx 4-leaved. Corol- 
la 0. Stamens 2 — 3. 
Fertile Jlorets. Ca- 
lyx 4-leaved, unequal. 
Corolla 0. Stigma 
