XLVIIl] 



PREPINUS 



401 



Prepinus statensis Jeffrey. 



The short shoots (fig. 791, B), rather less than 1 cm. long, 

 consist of a relatively broad axis bearing on the upper part nume- 

 rous spirally disposed truncate portions of leaves, in some cases 



FIG. 791. Prepinus statensis. A. Transverse section of a detached leaf believed 

 to belong to P. statensis. B. Short shoot showing the basal portions of needles 

 and, below, the scars of scale-leaves. C. Transverse section through part 

 of a leaf -fascicle. (After Jeffrey; A, x 30; B, x 7; C, x 9 . ) 



more than 20 on a single shoot. Scars of scale-leaves are represented 

 by rhombic areas near the base. There is no evidence as to 

 the nature of the branches on which the foliage-spurs were pro- 

 duced. The leaves are polygonal in section (fig. 791, A, C): there 

 are two marginal resin-canals and a single median vascular bundle 

 as in some recent Pines. There is a considerable development of 

 s. iv 26 



