ENUMERATION OF CONIFERS 173 



GG. Leaf narrow, pointed, rarely obtusish, linear 

 to lanceolate, rarely triangular-ovate. 

 H. Position of leaves more or less 2-ranked, 

 usually w-ith stomatic bands beneath. 

 I. Branchlets terminated by a distinct win- 

 ter-bud with greenish scales. 

 J. Under surface of leaves with glaucous 

 bands: branchlets opposite or sub- 

 opposite. 

 K. Glaucous bands broader than the 3 

 green bands; leaves with raised 



midrib above Cephalot.^xus, 182 



KK. Glaucous bands narrower than the 

 3 green bands; leaves without 

 distinct midrib above, sharply 



pointed Torreya, 183 



JJ. Under surface of leaves pale or gray- 

 ish-green: branchlets alternate . . '. T.\xus, 18,5 

 II. Branchlets not terminated by a distinct 

 clearly defined winter-bud. 

 JJ. Shape of leaves linear, not exceeding 1 

 inch, distinctly 2-ranked. 

 K. Foliage persistent for several years, 

 pungent, to 1 inch long: branch- 

 lets not deciduous Sequoia {sempervirens) 



KK. Fohage deciduous together with the 235 



branchlets the second season; 



leaves to H inch long Taxodium (mucrona- 



33. Shape of leaves lanceolate, or oblong- turn) iSi 



lanceolate, usually longer than 1 

 inch, indistinctly 2-ranked. 

 K. Leaves finely serrulate, with dis- 

 tinct stomatic bands beneath, 



not more than K inch broad . . Ctjnninghamia, 240 

 KK. Leaves entu-e, without stomatic 



bands, about J 3 inch broad Araucakia {Bidnillii) 



HH. Position of leaves not at all 2-ranked, with- 242 



out conspicuous stomatic bands beneath. 

 I. Leaves more or less imbricate, usually 

 pungent. 

 J. Length of leaves up to J^ inch, with 



white stomatic bands above Athrotaxis (selagi- 



Jj. Length of leaves V2-1 14 inches, with- nmdes) 238 



out stomatic bands, at least ]/f, inch 



broad at base Araucaria. 241 



11. Leaves spreading, linear to linear- 

 lanceolate. 

 J. Width of leaf less than ^ inch, leaves 

 sessile, 3<i- ^ inch long, passing 



into scale-like leaves Widdringtonia, 230 



JJ. Width of leaf at least ^ inch, leaves 



petioled, >2-4 inches long Podocarpus, 179 



