!
from moisture in th e soil during winter, th e alleys between th e beds may be
deepened, so as to act as drains. In th e nursery lines, the plants require
very little pruning, and the ir after-care, when in plantations, is equally simple.
iäfe ¥ 2. B.{? A .) d a u 'r i c a Pall. The Daurian Birch.
I d e n ti fic a tio n . P a l l . K o s s ., 1. p. 60. ; W i l ld . S p . P l . , 4 . p. 4 63. : N . D u
H am . , 3 p. 2 04. f , i ,
S y n o n j/m e s . B . e x c é l s a c a n a d é n s is W a n g . B e i t r . p . 86. ; B o u l e a u do
S i b e r ie , F r .
E n g r a v in g s . P a l l . R o s s ., 1. t . 3 9 . j W i lld . B a u m . , t, I . f . 3 . a n d 4 . : a n d
o u r / g . 1529.
Spec. Char., Leaves ovate, narrow a t th e base,
quite entire, unequally dentate, glabrous. Scales of
th e strobiles ciliated on the ir margins ; side lobes
roundish. (Willd .) A deciduous tre e. Däuria, and
p a rt o f Asiatic Siberia ; but n o t in European Siberia,
nor in Russia. Height 20 ft. to 30 ft. Introduced
J796. Catkins whitish brown, larger than those o f th e
common birch ; Feb ru ary and March F ru it brown;
ripe September. Decaying leaves red or yellow.
Variety.
ife ¥ B. (? A .) d. 2 parvifòlia Hayne Dend. p. 1 6 7 .—
152!). B.diiùrica. Leaves smaller than those o f th e specie.s.
^ 3. R . ( ? J . ) FRUTICO'SA Pall. T h e shrubby Birch.
I d e n ti fic a tio n . P u l l. R o s s ., 1. p . 62 . ; W il ld . S p . P I . , 4. p . 466 : N
D u H u m ., 3 . p. 208. i = i ,
S y n o n y m e s . B . h ù m i l i s S c h r a n k S a l. p . 5 6 . ; B . q u e b e c c c n s 's
S c h r a n k d e r G e s c lh . N a l u r f . F r e u n d e , 5 . p . 196.
E n g r a v i n g s . P a l l . R o s s ., l . t . 4 0 . ; D e n d . B r i t . , t . 1 5 4 .; a n d o u r
f i g . 1530.
Spec. Char., 4c. Leaves roundish-ovate, nearly
equally serrate, glabrous. Female catkins oblong.
( Willd.) A deciduous shrub. E a ste rn Siberia,
Germany, and Canada. Height 5 ft. to 6 ft. in
moist situations, but much higher on mountains.
Introduced in 1818. Catkins whitish brown ;
Feb ru ary and March. F ru it brown ; ripe in
October o r November. , . 1530. B. fruticosa.
JÖ! 4. B. (? A .) p u 'm ila L . The haiiy dwarf Birch.
fr“” " fr" fr""“--
E n g r a v in g s . J iic q , H o r t . V in d ., t . 122. ; D s n d . B r i t . , t . 97 . ; a n d o u r * . 1531.
Spec. Char., f r . Branches p u .
bescent, without dots. Leaves
roundish ovate, on long footstalks,
densely clothed with
hairs on th e under surface.
Female catkins cylindrical.
(Willd .) ^ A deciduous shrub.
Canada, in bog.s, and on high
mountains in New York and
Pennsylvania. Height 2 ft.
to 3 ft. Introduced in 1762.
Catkins whitish ; May and
Ju n e. F ru it brown.
The ro o t is red, and is used
to r veneering and inlayin»-.
® 15.11. n. (?«4.) p ùmila.
Sfe 5. B . n a 'n a L. The dwarf Bircb.
U r n , f i s a , io n . U n . S p . P l . , , , , ^
B . n à n a S u e c b r n m B r o m e l . Chi. G o th . 21, ; B . p a lù s t r i s p ù m i l a , & c ., Cels. A c t . S u e c .
1552. IJ. n àn a.
E n g r a v in g s . A m . A c a d ., l . t . 1 . ; E n g . B o t ., t. 2326. ; a n d o u r f ig . 1532.
Spec. Char., 4 c. Leaves orbicular, crenate, reticulated with
veins beneath. A shi-ub, with numerous branches, slightly
downy when }Oung, anti beset with numerous, little,
round, firm, smooth, sliarply crenated leaves, beautifully
reticulated with veins, especially b en e ath ; and furnished
with short footstalks, having a pair o f brown lanceolate
stipules at their base. Catkins erect, stalketl, cylindrical,
o b tu se; the barren ones lateral, and th e fertile ones te rminal.
Scales o f the la tte r 3-lobetl, 3-flowered, permanent.
Stigmas red. (Smith.) A bushy deciduous shrub. Lapland,
Sweden, Russia, and Scotland, in Europe , and H u d so n ’s
Bay, and oth e r parts o f Canada, in America; on mountains,
but almost always in boggy places. Height 2 ft.
to 3 f t.; in British gardens 6 ft. to 8 ft. Catkins whitish
g reen ; April and May. F ru it brown ; ripe in October.
Variety.
n. B. n. 2 stricta Lodd. Cat., ed. 1836, is somewhat more erect
tlian th e species.
n. 6. B . (? N . ) G i-A N D U L O 'S A Michx. Th c glandular-6rawc//cJ Birch.
Id en tific a tio n . M ic lix . F l . B o r . A m e r ., 2 . p . 1 8 0 .; P u r s h F l .
A m e r. S e p t., 2. p . 622.
E n g r a v in g . O u r fig . 1533. f rom a s p e c im e n in th e B r it i s h
M u s e um .
Spec. Chnr., 4c< Branches beset with glandular
dots, glabrous. Leaves obovate, serrate , quite
entire at th e base, glabrous, almost sessile.
Female catkins o b lo n g ; scales h alf 3-cleft.
Seeds round, with narrow margms. (W illd .) A
handsome little deciduous shrub. Canada, about
Hudson’s Bay ; and on th e borders o f lakes on
the high mountains o f New Jersey and Pennsylvania.
Height 2 ft. Introduced ?.
Corresponds in America with th e B . nana of
Europe, and probably only a variety o f th a t spe-
Catkins whitish ; May.
in habit
1533. B. ( ? n .) «landulòsa.
Leaves large. Natives o f North America.
¥ 7. B . p o p u li f o Y i a Ait. Th e Poplar-leaved Birch.
Id e n tific a tio n . A i t. H o r t . K ew ., 3. p . 336.; P u r s h F l . A m e r . S e p t . , v o l. 2. p . 6 2 0 .; M ic h x . N .
A m e r. S y l., v o l. 2. p . 9 7 .
S y n o n ym e s . B. a c u m in a ta E h r h . B c tl. 6. p . 98. ; B . l e n t a D u R o i H a r b . B a u m . e d . I . d . 9 2 .: w h i te
B i rc h a n d O ld f ie ld B i r c h , A m e r .
E n ^ ^ i n g s . M ic h x . N . A m e r . S y l ., 2. p . 9 7 . ; M ic h x . N . A m e r . S y l ., v o l. 2. t. 71 . ; a n d o u r / g .
Spec. Char., 4c. Leaves deltoid, much acuminated, unequally serrated, quite
smooth. Scales o f th e strobiles having roundish side lobes. Petioles
glabrous. (WUld.) A tree, in every respect closely resembling R. alba,
but growing with less vigour, and not attaining so large a size as th a t species.
Canada to Pennsylvania, in barren rocky woods. Introduced in
1750. Flowers greenisli white ; April and May.
Varieties.
¥ B. p. 2 lacinidta. B . laciniata Lodd. Cat. ed. 1836.— Leaves large,
shining, and deeply cut.
¥ B. \').S pendula. B . pendula Lodd. Cat. ed, 1836.— Spray drooping,
like th a t o f th e weeping variety o f th e common birch.
( .
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