JUGLANDACEAE 405 
Fruit small, 2-2.5 em. in diameter 
Young leaflets rusty- z abescene: winter-buds with copi- 
ously pubescent scales. 13. H. floridana. 
Young leaflets not rusty pubescent: winter-buds with 
puberulent scales. 14. H. glabra. 
H. myristicaeformis (Michx. f.) Britton. Tree be ecoming 35 m. tall, the 
bark cr leaflets 5—9; blades us hun lateral ones elliptie or oval, varying 
ovate- bnc Or ly 
I. “thinnis h, finely and a ser- 
rate, pa ale o Or silvery beneath, with a metallic 
luster: fruits e rp to elli psoid-obovoid 
or obovoid, 2.5 . long, i301 wing- 
angled: nut ddr acute at both ends.— 
( NUTMEG-HICK ITTER-W 
oarsely toothed, fale metal fruits D 
ud ellipsoid, Um 6 cm. long, promi- 
nently winged: nut e "pin or ovoid- n d at least at the apex.— 
(PECAN.) —Woods ond river-bottoms, various provinces, Ala. to Tex., Kans., 
Ia., and Ind. Also cult. in Fla., Ga., an nd 8. C., y the production of nuts on 
a la arge commercial seale.—( Mez x.) 
3. H. texana Le Conte. Tree becoming 30 m. tall, the bark rough: leaflets 
7-13; blades of the lateral ones lanceolate, a -lanceolate, or ovate, 
shallowly toothed, o fruits often a bee ta ud obovoid- -ellipsoid, 
llipsoid o 
3—5 em. long, slightly w inged: nut ellipsoi arly so, usually acute at both 
ends.— (BITTER-PECAN.) —Woods, low AER per river- inm Coastal Plain, 
Miss. to Tex. and Ark (Me x.) 
4. H. aquatica (Michx. f.) Britton. Tree becoming 30 m. tall, bark 
flaky: leaflets 9-15; blades of the lateral ones lanceolate, een lanceolate, 
or elliptic- lanceolate, falcate, a eA pee fruits often clustered, sub- 
oid, obovoid, 2.5-3 
globose, ellipso — long, narrowly winged to the base, 
the thin husk tardily dicen! ow borod. corrugated, thin-shelled, the 
seed very bitter. — (WATER-HICKORY. Sw "AMP-H ICKORY BITTER -PECAN 
WATER-BITTERNUT.)—River-swamps, river-bottoms, and moist or wet woods, 
Coastal Plain, Fla. to Tex., Mo., Ill, and Va 
H. cordiformis (Wang.) Britton. Tree becoming 30 m. tall, the bark 
elose, with shallow furrows and flat ridges: leaflets 7—11, or indisidoally 5; 
blades of the lateral ones laneeolate, e e Es lanceolate, elliptic, or ovate, 
(sometimes broadly ovate in a idc ne due atifolia), finely serrate, slightly 
or decidedly faleate: fruits Med subgl obose, or ovoi 
2.5-3 cm. long narrowly ed e above the middle, the thin husk 
tardily dehiscent: nut uneven, thin-walled, the seed bitter.  [Carya amara 
Nutt.  Hicoria ied e sh.) Britton n]— (SWAMP- -HICKORY ITTER-NUT. 
WHITE-HICKORY.  PIGNUT.)—River-banks, rocky oe swamps, and low 
woods, various provinces, Fla. to Tex., Minn., and Que 
6. H. alba (L.) Britton. Tree becoming 30 m. tall, the bark with flat ridges 
but e dd 7-9; blades of the lateral m elliptic, varying to elliptic- 
