32 Illustrations of Conifers. 



II. Branchlets pubescent.^ 



LEAVES OF LATERAL BRANCHES NOT RADIALLY AUKANGKD. 

 A. BODS WITH SUBULATE OUTER SCALES. 



P. nigra, Link. Shoot densely pubescent with whitish hairs. Leaves short, bluish-green 

 or dark green, inch long, apes abruptly rounded into an apiculus. 



P. rubra, Link. Shoot as in P. nigra, but the foliage yellowish-green in colour. 9 



B. OUTEB BUD SCALES NOT SUBULATE, AT MOST ONLY ACUMINATE. 



* Pubescence on the branchlets not confined to the grooves between the pulvini. 



P. Engelmanni, Engelmann. Branchlets grey with scattered white pubescence. Buds conic, 

 obtuse, with scavious scales. Leaves, f to 1 inch long, bluish, emitting a disagreeable 

 odour when bruised. 



P. excf.lsa, Link. Branchlets reddish, 1 with scattered hairs. Buds ovoid-conio, with obovate 

 rounded scales, the lower keeled, acute and cuspidate. Leaves to f inch long, with 

 obtuse points. 



P. obovata, Ledebour. Branchlets reddish-brown, with stiff, more or less dense pubescence. 

 Buds ovoid with oval pubescent scales ; the lower ones keeled and ending in long 

 acuminate points. Leaves i to } inch long, with cartilaginous points. 



P. orientalis, Carrie're. Branchlets reddish-brown, densely pubescent with brown hairs. Buds 

 conic, the lower scales pubescent, keeled, ending in long acuminate points. Leaves 

 short, obtuse, i to i inch long. 



* * Pubescence on the branchlets confined to the grooves between the pulvini. 



P. Glehnii, Masters. Branchlets reddish -brown, with stiff shaggy hairs. Buds sub-globose, the 

 outer scales thick and grooved, with cuspidate acuminate points. Leaves inch long, 

 curved, with blunt points. 



1 In some specimens of Picea excelta the shoots are quite glabrous. 



* P. rujro and P. nigra are separated with difficulty in the absence of coues. 



