LXXVII. CONrFERiE : PrNUS. 



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 

 ^\;T'f^! a thick and sharp 

 *si^4^/j prickle, somewhat 

 ^^^frpvX in the manner of 

 P. pungens, and 

 turned upwards. 

 In England, in the 

 climate of Lon- 

 don, Pinus Pae'da 

 grows vigorously ; 

 there being large 



trees at Syon and at Kew, which, after being 50 years planted, produce 



shoots of from 9 in. to 1 ft. every year, and ripen cones. 



1 19. P. ri'gida Mill. The rigid, or Pitch, Pine. 



Identification. Mill. Diet., No. 10. ; Michx. N. Amer. Syl., 3. p. I.=i0. ; Pursh Sept., 2. p G43. 

 Synonymes. P. Ta^'da rfgida /3 Ait. Hort. Kew. 3. p. 368'. ; P. canadensis trifolia Du Ham. Arb 2. 



p. 12G. ; ? P. Ta'da a. Pair. Diet. 5, p. 340. ; ? three-leaved Virginian Pine, Sap Pine, black Pine : 



Pin herisse. Pin rude, Fr. 

 Ensiravings. Lamb. Pin., ed. 2., I. t 16, 17. ; Michx. N. Amer. Syl., vol. 3. t. 144. ; the plate of 



this tree in Arb. Brit., 1st. edit., vol. viii. ; out fig. 1820. to our usual scale; and figs. 1821. to 



1823. of the natural size, from Dropmore specimens. 



1318. P. Ta'da. 



1S19. P. r<eMa. 



1820. P. rigida. 



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 



