. The testimony of the rocks; . from the pressure in the rock most of them have become41 482 ON THE LESS KNOWN detached; while yet a fourth species (Fig. 137), very closelyresembles a Zamia of the Scarborough Oolite, — Z. lanceo-lata. The leaflets, however, contract much more suddenly Fig. from their greatest breadth than those of lanceolata^ intoa pseudo-footstalk; and the contraction takes place notalmost equally on both sides, as in that species, but almostexclusively on the upper side. And so, provisionally atleast, this Helmsdale Zamia may be regarded as specificallynew. With the le
. The testimony of the rocks; . from the pressure in the rock most of them have become41 482 ON THE LESS KNOWN detached; while yet a fourth species (Fig. 137), very closelyresembles a Zamia of the Scarborough Oolite, — Z. lanceo-lata. The leaflets, however, contract much more suddenly Fig. from their greatest breadth than those of lanceolata^ intoa pseudo-footstalk; and the contraction takes place notalmost equally on both sides, as in that species, but almostexclusively on the upper side. And so, provisionally atleast, this Helmsdale Zamia may be regarded as specificallynew. With the leaves of the Eathie Zamia, we find, in this FOSSIL FLORAS OF SCOTLAND. 483 northern outlier of the Lias, cones of a peculiar form,which, like the leaves themselves, are still unfigured andundescribed, and some of which could scarce have be- Fig. 138.
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