LXXVII. CONI’FERZ: PI‘NUS. 977 
The leaves are broad, pointed, flat on the 
upper surface, and forming a ridge below ; 
of a fine light green, with a sheath long 
and whitish at first, but becoming short, thick, 
and brown when old. The cones are about 
: 4 in. in length ; 
and the scales ter- 
minate in pro- 
cesses which have 
the form of an 
elongated _pyra- 
mid, somewhat in 
the manner of P. 
Pinaster; but the 
apex of the pyra- 
mid terminates in 
a thick and sharp 
4 prickle, somewhat 
in the manner of 
P. pangens, and 
turned upwards. 
In England, in the 
climate of Lon- 
don, Pinus Txe‘da 
grows vigorously ; 1819. P. Tx‘da. 
there being large 
trees at Syon and at Kew, which, after being 50 years planted, produce 
shoots of from 9in. to 1 ft. every year, and ripen cones. 
219. P.ri’erwa Mill, The rigid, or Pitch, Pine. 
Identification. Mill. Dict., No. 10. ; Michx. N. Amer. Syl., 3. p. 150,; Pursh Sept., 2. p 643. 
Synonymes. P, Te‘da rigida B Att. Hort. Kew. 3. p. 368.; P. canadénsis trifdlia Du Ham. Arb. 2. 
p. 126.; ? P. Te'da a Poir. Dict. 5. p.340.; ? three-leaved Virginian Pine, Sap Pine, black Pine; 
Pin hérissé, Pin rude, Fr. ' 
Engravings. Lamb. Pin., ed. 2., 1. t. 16,17, ; Michx. N. Amer. Syl., vol. 3. t. 144.5 the plate of 
this tree in Arb, Brit., Ist. edit., vol. viii. ; our fig. 1820. to our usual scale; and Jigs. 1821. to 
1823. of the natural size, from Dropmore specimens. 
1818. P. Te‘da. 
1820. P. ngida. 
Spec. Char., §c. Leaves in threes. Cones ovate-oblong, in threes or fours, 
much shorter than the leaves; their scales terminated by a rough thorny 
point. Male catkins elongated, with the crest of the anthers dilated, and 
3.R 
