MONOECIA TRIANDRIA. 
601 
12. Tinctoria. Bartram. 
a. foliis obovato- 
oblongis, laevissime si- 
nuatis, subtus in axillis 
pubescentibus, lobisob- 
longis. obtusis, obsolete 
denticulatis, setaceo- 
mucronatis; glande de- 
presso-globosa. 
Leaves obovate, ob- 
long, slightly sinuate, 
pubescent underneath 
in the axils, lobes ob- 
long, obtuse, obscurely 
toothed, mucronate; 
nut depressed, globular. 
Sp. pi. 4. p. 444. Mich. 2. p. 198. Pursh, 2. p. 629* Nutt. 2. p. 214. 
Icon. Mich. Querc. t. 24 — 25. 
This is one of our largest species of Oak, growing in the rich high land 
of the upper country, 60 — 70 feet high, and 3 — 4 feet in diameter, covered 
with a very dark-coloured bark, from whence it has derived its common 
name of Black Oak. Leaves on petioles about an inch long, obovate, angled, 
slightly and obtusely sinuate, mucronate, glabrous on the upper surface, when 
young slightly pubescent or pulverulent on the under, afterwards only pu- 
bescent in the axils. Nut depressed ovate, rather large. Cup deep, sessile. 
This tree appears to vary much; besides the var. Sinuosa figured by Mi- 
chaux the elder, t. 25. and which evidently belongs to this species, the plate 
of Michaux the younger, arb. for. 2. p. 110. t. 22. seems to represent an en- 
tirely distinct species. I have specimens of this latter variety or species sent 
me from Philadelphia by Mr. Kim, as the Q. Tinctoria, which agree exactly 
with Michaux’s figure; they would be Q. discolor, but they are glabrous un- 
derneath, and are not discoloured. 
Grows in the rich uplands of the upper country, rare along the sea-coast. 
Flowers March — April. 
13. Discolor. Aiton. 
a. foliis oblongis, 
pinnatifido - sinuatis, 
subtus pubescentibus, 
lobis oblongis, dentatis, 
setaceo - mucronatis; 
glande ovata. 
Sp. pi. 4. p. 444. Pursh, 2. p. 62£ 
Icon. Abbot’s Insects of Georgia, t. 
Leaves nearly resembling those o 
neath; by the Autumn, however, the 1< 
VOL, II. G 
Leaves oblong, pin- 
natifid, sinuate, pube- 
scent underneath, lobes 
oblong, toothed, mucro- 
nate; nut ovate. 
’. Nutt. 2. p. 214. 
111—56. 
’ Q. Coccinea, but pubescent under- 
aves are nearly naked, only pubescent 
4 
