GYMNOSPERMtE. 



68 



vast forests ; and again species replace each other at varying heights, as on the Riesen- 

 gebirge, where four different species of Pines and Firs inhabit separate zones. 



Fig. 24. 



Fig. 24. — A Coue of Pimis insignis (of the Pinaster sec- FiG. 25. — A Cone of Pinus Icoraienns (of the Strolus 

 tion), nat. size, a, leaves, uat. size ; b, section of leaf, iiiagni- section), natural size. From Veitch's ' Manual of the 

 fled 4 diameters. From the ' Gardener's Chronicle.' Coniferre.' 



PiNUs MACROCEPHALUs, Linilley and Hutton, sp. Plate XIV, figs. 1, 2, 6, 7. 



Zamia macrocephala, Lindl. Sf Hutt. Foss. Flom, vol. ii, p. 117, pi. 125, 1833-35. 

 Zamxostkobus MACROCEPHALUS, Eiu/Hcher. Gen. Plant., p. 72, 1836-40. 

 Zamites — Morris. Ann. Nat. Hist., ser. i, vol. vii, p. 116, 1841. 



PiNiTES — Bronffn. Diet, niiiv. d'Hist. Nat., p. 3 1 7, 184i^ ; Ann. 



des Sc. Nat., ser. iii, vol. xi, p. 285, 1849. 

 Zamiostrobus Hensloavii, Miqvel. Monogr. Cycad., p. 75, 1861. 

 PiNlTES MACROCEPHALUS, Carr. Geol. Mag., vol. iii, p. 5, pi. xx, 1866 ; and Journ. 



Bot., p, 10, pi. xviii, 1867. 



