826 ACERACEAE 
Leaf-blades mostly shallowly 3-lobed, the lobes shallowly 
toothed : samaras mostly over 3 cm. long. 2. R. carolinianum. 
Leaf-blades copicusly woolly beneath : samaras over 4 cm. long: . 
wings tending to converge. 3. R. Drummondii. 
1. R. rubrum (L.) Small Tree sometimes 35 m. tall, the bark dark-gray and 
fissured on the usd smooth and pale or white-gray on the branches: leaf- 
peice com re S than long, dee 
green above, pal glaucous beneath, 
ene shallowly y “lobed, us evenly ser- 
rate, cordate e base: flower-clusters red 
or ye silowis h: p nearly distinct: petals 
narrower than the iiam $: samara-wings com- 
monly red.—(RED-MAPLE.  SWAMP-MAPLE. 
WATER-MAPLE. Bai. MAPLE.) — Woods 
and swamps, various Ens Fla. to Tex., 
Man. and N. B.—Whint.-spr.— The heart- 
wood is a by very heavy. 
2. R. carolinianum o s Tree 
resembling R. rubrum, but ally smaller, 
the bark of the trunk pa ale. Me leaf-blades 
as long as broad, or longer, mostly shallow 
3-lobed, but sometimes merely toothed, dark-green above, one beneath, unevenly 
serrate, rounded or subcordate at the base : flower-clusters red or yello wish: sepals 
nearly distinct: DL about as broad P the sepals: E ara-wings usually diverg- 
ing at less than 45 degrees.—(CAROLINA-MAPLE D-M - 
rump Ld ist, often acid, soil, _ Coastal Plain and occasionally adj. provinces 
S Fla., to iu Mo., and N. J.— —spr.—The wood is nearly similar to that 
of R. rubru 
. Drummondii (Hook. & Arn.) Small. Tree reaching a height of 2 
m., 
the pu pale or tans rough on the trunk: leaf-blades thick, mostly bro eee 
than long, 8—15 br road or sometimes smaller, coarsely "and irregularly 
toothed, den above, white and wool beneath, rounded or cordate at 
the base: flower-clusters r pals nearly distinct, elliptic or slightly nar- 
rowed upward: petals nearly like the sep only maras o 
e ; tending to converge.—(RED-M )—River swamps, 
The wood is nearly similar to that of the two preceding species. 
N Ray] Ludwig-Boehmer. Trees. Leaf-blades pinnately 
encoun’. Flowers dioecious, the staminate in lateral clusters, long-pedi- 
celled; the pistillate in lateral racemes. 
Sepals 5, partly united. Petals wanting. 
Stamens exserted: anthers linear, minutely 
appendaged at the tip. Stigmas much 
longer than the style-—Three or four species, 
North American. 
1. N. pet laa (L.) Karst, Tree becoming 
. flowers greenish, drooping: samaras 2.5—3. 
em. lon RA E ELDER. ASH-LEAVED T 
ATER H.)— ow woods and stream-bank 
various pam Fla. to Tex., Man., Ont., and Me MN —The whitish ue 
wood, close-grained, but soft, is made into wooden-ware and cheap furnitu 
