Hab. Canada, (Michaux,) to Lake Winipeg. Dr. Richardson. Newfoundland. Dr. Morrison.—A small
tree, 8-10 feet high, with ample leaves that are coarsely serrated. Flowers very inconspicuous, in long
upright racemes. Fruit small, purple-red.
3. A. macrophyllum; foliis (amplississimis) profunde 5-lobis demum glabriusculis, lobis
oblongis subcuneatisve obtusiusculis sinuato-incisis, racemis pendulis, petalis obovatis,
fructibus pubescentibus alis subdivergentibus glabris. (Tab. XXXVIII.)—Pursh, FI.
Am. v. 1. p. 267. De Cand. Prodr. v. l .p . 594.
Arbor 40-90 pedalis, ramis patentibus. Folia ampla, non raro pedalia, longe petiolata, profunde palmato-
5-fida, crassiuscula, subcoriacea, sinubus obtusis, lobis oblongis oblongo-cuneatisve, obtusis, lateralibus subin-
tegerrimis, intermediis sinuato-lobatis, lobis subacuminatis; folia juniora omnino pubescenti-hirsuta, adulta
fere glabra, nisi subtus et in axillis venarum. Racemi longi, penduli, multiflori. Bracteos lineares, glabri.
Pedicelli subfasciculati rachisque glabri. ' Calyx glaber, foliolis ovalibus. Petala calyce majora, obovata.
Stam. 10, an semper? Filam. basi hirsuta. Germina pilis rigidis aculeiformibus erectis. hispidissima.
Fructus majusculus, hispidus vel subnudus. Alee, nonnunquam 3, erecto-divergentes, margine extemo recto,
intemo convexo.
Hab. North-West coast of America. Menzies, in Herb, nostr. On the Great Rapids of the Columbia.
lewis (in Pursh).—Common between 40° and 50° of N. lat.; exclusively confined to the mountainous
woody country along the coast, which seldom exceeds 2° or 2° 30" of long. Douglas; Dr. Scouler. Its
eastern station on the Columbia is four miles above the “ Grand Rapids.” Douglas.—This noble tree was
unquestionably discovered by our countryman Mr. Menzies, the first Naturalist who visited the coast where
it grows; and it could not but be noticed by every succeeding Botanist, for Mr. Douglas observes, “ it is
one of the most graceful of trees in the country it inhabits, varying from 40 to 90 feet in height, and from
6 to 16 feet in the circumference of its trunk. The branches are widely spreading; the bark rough, brown;
the wood soft, but beautifully veined. It contains perhaps as much sap as any species, except A. saccharinum,
but is not used by the natives. The flowers are yellow, very fragrant, appearing in April and May. It will,
at some future time, constitute one of our most ornamental forest-trees in England.”
Tab. XXXVIII. Fig. 1, Fructified branch:—natural size. Fig. 2, Raceme: do.; fig. 3, Stamen:—magnified.
Fig. 4, Young leaf:—natural size.
* * Floribus corymbosis fasciculaiisve.
4. A. circinatum; foliis cordatis 7—9-lobis subtus pubescentibus lobis acutissimis
atque acutissiine inaequaliter serratis radiatim nervosis, nervis in axillis hispidis, corymbis
pedunculatis paucifloris, petalis ovatis linearibusve calyce brevioribus, germinibus gla-
berrimis alis patentissimis. (T ab. X X XIX .)—Pursh, FI. Am. v. 1. p. 253. De Cand.
Prodr. v. 1. p. 595, (inter species “ non satis notas.”)
Arbor 20-40 pedalis. Folia digitem longa, subbrevi-petiolata, membranacea, cordata, 7-9-lobata, 7-9-nervia,
supra glabra, subtus pubescenti-hirsuta, nervis e summo petioli radiantibus, in axilfis (ad basin folii) superne
hispidis, subtus, in eadem loco, lanatis, sinubus acutis, lobis ovatis acutissimis, acutissime serratis. Corymbi
longe pedunculati, nutantes. Flores mediocres. Calyx hirsutus demum glaber, foliolis ovalibus. Petala ovalia
crispata ubi stamina perfecta, et linearia, ut videtur, ubi stamina abortiva, calyce breviora. Stamina 8 (10?)
Germen glaberrimum, bialatum, alis divaricatissimis, subrecurvis. Stylus 1 in pistillo fertili, 2 in sterili (?)
germine longior, filiformis, apice scaber. Fructum maturum non vidi.
Hab. On the Great Rapids of the Columbia River. Lewis (in Pursh.) Common along the North-West
coast, between lat. 43° and 49°. Douglas ; Dr. Scouler.—This, like the preceding, Mr. Douglas observes,
“ is exclusively confined to the woody, mountainous country that skirts the shores, and there, among the
Pine-forests, it forms almost impenetrable thickets. The branches are pendulous and crooked, often taking
root, as is the case with many species of the genus Ficus.- Bark smooth, green when young, white when
fully grown. The wood is fine, white, and close-grained, very tough, and susceptible of a good polish.
From the slender branches of this tree the native tribes make the hoops of their scoop-nets, which are employed
for taking salmon at the Rapids, and in the contracted parts of the river. Fl. April, May.”__This
species is remarkable for the nerves radiating from one point. I find flowers of three kinds:—1 . Male
flowers, with oval crisped petals, and no gland at their base, and no trace of a pistil; in lieu of it, a small
tuft of white hairs; the stamens inserted upon a large orbicular fleshy gland. 2. Female flowers, with two
styles to the germen, which, with the eight imperfect stamens, are inserted upon the receptacle, but having
five small fleshy glands, at the base of which the linear petals are inserted. 3. Flowers with ovate crisped
petals, eight perfect stamens, which, with the monogynous germen, are inserted upon a large circular
fleshy disk.
Tab. XXXIX. Acer circinatum:—inatural size. Fig. 1, Male flower; fig. 2, Fertile do.; fig. 3, advanced
pistil:—magnified.
5. A. barbatum; foliis ovato-cordatis breviter 3-lobis inasqualiter serratis subtus ad
nervos pubescentibus glaucisque, pedunculis pilosis masculis ramosis, fbemineis simplici-
bus, calycibus intus barbatis, capsulas alis erectis. Ph.—Mich. Am. v. 1. p. 252. Pursh,
Fl. Am. v. 1. p. 267. Elliott, Carol, v. 1. p . 451. De Cand. Prodr. v . l . p . 595, Torreu
Fl. o f Un. St. v. 1. p. 396. **
Hab. Vallies near springs on the west side of the Rocky Mountains, about the sources of the Columbia.
Douglas.—I rely upon the indefatigable Douglas for the correctness of this name; his specimens, in my
possession, being too young to enable me to form an opinion. According to Pursh, it inhabits the country
between New Jersey and Carolina. I have seen no authentic specimen; nor am I aware that a figure of it
is anywhere published.
6. A. saccharinum ; foliis cordatis glabris subtus glaucis seu pallidis palmato-3-5-lobis,
sinubus obtusis, lobis acuminatis sinuato-incisis, corymbis breviter pedunculatis nutanti-
bus, fructibus glaberrimis, alis subdivergentibus.—Linn. Sp. PI. p. 1496. Mich. Am. v. 1.
p. 252, Arb. (ed. Am.) v. 1 .1. 42. Pursh, Fl. Am. v. l .p. 266. Elliott, Carol, v. l .p. 450.
De Cand. Prodr. v. 1. p . 595. Bigel. Fl. Bost. ed. 2. p. 378. Torreu, Fl. o f Un. St
v. 1. p. 398.
Hab. Canada; apparently most common in the southern parts.—My specimens from Dr. Todd, gathered
at Lake Huron, which, indeed, are the only ones I possess from-British North America, have the leaves
more ngid, the sinuses broader, and the margins less divided than in Dr.Boott’s specimens from near Boston
and are probably the A. nigrum or Black Maple of Michaux’s Forest-Trees. Both are valuable for their
timber, and for the quantity of sugar produced by them. Mr. Douglas observes that some of the largest
Sugar-Maples in America are on Goat Island at the Falls of Niagara.
7. A. dasycarpum; foliis cordatis saepe basi truncatis glabris subtus glauco-albidis
palmato-5-lobis, sinubus obtusiusculis, lobis tenuiter acuminatis incisis serratisque, floribus
conglomerate breviter pedicellate « pentandris apetalis,” germinibus tomentosis,
fructu glabro, alis superne latioribus falcato-incurvis.— Willd. Sp. PI. v. 4. p. 485. Pursh,
Fl. Am. v . l . p . 266. Elliott, Carol, v. 1. p. 449. Bigel. Fl. Bost. ed. 2. p. 379. Torrey,
Fl. o f Un. St. v. 1. p. 396. Mich. Am. v. 1. p. 253. Desf. Am . du Mus. v. 7. p . 412.
t. 25. Mich. Arb. (ed. Am.) v. 1 .1. 40. De Cand. Prodr. v. 1. p. 595.
Hab. Lake Huron. Dr. Todd.—This forms a large tree, known in the United States by the name of
White or Soft Maple, and is said to yield a good sugar. In the southern States it is very abundant but
rarely within forty miles of the sea. The young leaves and young germens are very downy; but the old
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