29 
Remarks. The presence of cones of the above type attached to 
vegetative shoots would seem to warrant the creation of a new genus to 
include this interesting species of Brachyphyllum . But this is deferred 
until some information has been gained about the seeds and vascular 
anatomy. Superficially the cone and its scales strongly suggest Araucarian 
affinities, and the individual scales may be compared to Protodammara. 
The cuticular characters of the leaves on the other hand are quite compar- 
able to those of Sequoia , e.g. S. sempirvirens. 
Cladophlebis cf. albertsii (Dunker) 
Plate XVII, figures 1-11 
Ultimate pinna, with midrib broadened and flattened on lower 
surface tapering apically to an extremely narrow, acuminate, finely 
toothed blade. Pinnules, alternating, or subopposite toward apex of 
pinna, falcate, contiguous or confluent at base, where they are broadest, 
minutely acuminate at apex, irregularly and finely serrate, particularly 
towards the apex. The pinnules decrease in size rather rapidly towards 
the apex of the pinna until they become mere teeth on the margins of the 
latter. Median vein of pinnules given off at an acute angle, pronounced. 
Secondary veins, obliquely directed to margin, alternating, bifurcating 
once about one-quarter of the distance towards the margin, rarely divided 
a second time. Stomata are abundant on lower surface between the 
veins, and are sunken beneath the surface. 
Remarks. It is not possible to satisfactorily differentiate between 
these sterile fronds and those of C. denticulata (Brongniart) on the one 
hand and C. albertsii (Dunker) on the other. This is unfortunate, as 
C. denticulata is a Jurassic species and C. albertsii a Wealden one. Both 
the European species have denticulated pinnules, although these are not 
as common on C . albertsii. The Ontario species is certainly specifically 
distinct from C. albertsii Berry from the Potomac series. 
Pityophyllum graminaefolium (Knowlton) 
Plate XVIII, figures 1-5 
Narrow, flattened, linear, simple, coriaceous, grass-like lamina, with 
well-marked midrib and acuminate apex, precisely similar to descriptions 
of Oleandra graminaefolia Knowlton, except in the absence of secondary 
veins. Fine longitudinal striations appear under low magnification 
(doubtless representing sclerenchymatous tissue) and there is in addition 
a fine, close, transverse costation that may be due to wrinkling as a result 
of fossilization, although it too may represent internal thickened tissue as 
it is commonly more apparent on one side of a blade than on the other. 
A comparable ornamentation is present on some fossil conifer leaves, e.g. 
Sequoia langsdorfii, etc. The transverse costae are flexuous and feebly 
branching (anastomosing?), but scarcely show the characters of veins. 
Their junction with the longitudinal striations has resulted in a finely 
