Fi(^ olO. — PUivs Kilveatris (§ nat. size). 1, Shoot of iinliniited growth bearing short shoots ; at tlie 

 top tlic shoot of tlie current year. At tlie base of the latter are numerous male flowers eacli in 

 the place of a short shoot, and nearer the tip brown scale-leaves, in the axil of each of which 

 is a short shoot. 2, Similar branch bearing a young female flower at the summit of the shoot 

 of the cunent year, in place of a Ijranch of unlimited growth. Two dependent green cones 

 are borne on the slioot of the preceding year. 3, Cone of the year before last, opened to allow 

 of the escape of the seeds. /*, A microsporophyll. H, JIacrosporopliyll from the adaxial side 

 showing the ovniliferous scale with the two ovules at the base. G, Maerosporojihyll from the 

 abaxial side -showing the small bract-scale below the large ovuliferous scale. 7, Ripe seed with 

 its wing derived from the superlieial layers of the ovuliferous scale, (x 4-7.) Official. 



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