876 PROFESSOR A. C. SEWARD AND MISS N. BANCROFT ON 
sporophyll seen in surface-view has the same kite-shaped form as the smaller scales 
of forma a; the narrower basal portion is longitudinally striated and is separated from 
the rougher distal portion by a slight ridge, ab, formed doubtless by the tearing of the 
superficial tissue. The upper margin in the lower part of scale 2 corresponds in its 
well-defined striated surface with the inner portion of the apical scale. The absence of 
seeds and the open habit of the cone afford indications that the seeds had been shed, 
and that the sporophylls were persistent and not deciduous, as in the case of Agathis, 
Cedrus, and Abves. 
Forma y. (Text-figs. 2, A; 4, A, B; Pl. I. figs. 9-12; Pl. IL. figs. 14-16.) 
This is an imperfectly preserved cone (3 em. x 2°3 em.) with an axis approximately 
1 cm. in diameter bearing thick, crowded, kite-shaped sporophylls. The boundary 
between the individual sporophylls and between them and the axis is ill-defined (text- 
fig. 4, A). The oval and slightly compressed body shown at s, text-fig. 2, A, is probably 
the cast of a seed lying on the upper surface and near the proximal end of the scale. 
In the transverse section diagrammatically represented in text-fig. 4, A, cut along 
ab, text-fig. 2, A, the imperfectly preserved section I, at the left-hand upper corner of 
the whole includes two spaces, 1. and ii., and between these a partially destroyed mass 
of vascular tissue, v. The vascular strand, which was probably cylindrical, may belong 
to the axis of the cone. The space i. is partially filled with a structureless yellow 
substance, and the large space ii. (enlarged in fig. 9, Pl. I.) is bounded by crushed 
tissue abutting on a broad band of radially disposed elements which we believe to be 
periderm, p, produced on the inner side of a cambium, c, and separating the decayed 
central region from the peripheral tissue. This periderm cylinder corresponds with 
the band of similar tissue shown in text-fig. 4, B, a, a, and in fig. 10, a, a, Pl. 1. The 
imperfectly preserved tissue shown at v in fig. 9 is part of the vascular cylinder, v, of 
text-fig. A. The space 11. (text-fig. 4) is, we believe, the central region of a partially 
preserved sporophyll which is cut across by the section transversely and close to its 
base, where it becomes continuous with the axis of the cone. Similarly, the spaces i. 
and ili. occur in other sporophyll bases in intimate association with the cone-axis (cf. 
the lower part of fig. 19, Pl. IL). The detached sporophyll II. is cut across trans- 
versely near its proximal end; the central space, shown on a larger scale in fig. 12, is 
bound by crushed tissue, including a few traces of periderm occupying the position of 
the much broader periderm band in fig. 9. At v, fig. 12 (shown also in text-fig. 4, A, — 
II.), is an imperfect xylem strand, the form of which suggests a concentric vascular 
bundle. A band of periderm occurs close to the surface of the sporophyll at p, p. 
Figs. 9 and 12 represent transverse sections of sporophylls like that shown in longi- 
tudinal section in text-fig. 4, B, and in fig. 10. ‘The sporophylls [1I., IV., and VI. in 
text-fig. 4, A, are cut across in a more or less transverse direction further from the cone- 
axis; in these as in the other sporophylls the ground-tissue consists of parenchyma 
