Professor BE. H. L. Schwarz—The Tygerberg Anticline. 487 
a Lepidodendroid plant—an assumption supported by such evidence as 
we possess—we are hardly in a position to say that Lepidodendron is 
a more appropriate generic designation than Srgillaria. As regards 
the geological range of Zepidodendron australe, it is perhaps more 
especially characteristic of Lower Carboniferous rocks, though it occurs 
also in Upper Devonian strata. 
Bucklandia sp., cf. B. anomala (Stokes & Webb). (Pl. XXI, Fig. 9.) 
The specimen represented in Fig. 9 was obtained from the Wood 
bed of the Uitenhage Series on the Witte River: it is a flattened and 
somewhat crushed piece of a stem covered with tangentially elongated 
leaf-bases varying considerably in size. The largest base, shown in 
the upper part of the Figure, is 2cm. deep and 35cm. wide; those 
in the middle of the fragment are much narrower in a vertical 
direction. It is probable that the striking difference in size, which 
is much more marked on the side shown in the figure than on the 
other surface, though partly the result of crushing, may indicate the 
existence of two kinds of leaves as in recent species of Cycas and in 
the stem figured by Carruthers! from the Hastings Sands of Sussex as 
Bucklandia Mantellii, a designation which it has been suggested should 
be changed to Bucklandia anomala (Stokes & Webb).? The specimen 
is worth recording as the first example of a Cycadean stem discovered 
in the plant-beds of the Uitenhage Series, which have afforded several 
types of Cycadean fronds.’ 
EXPLANATION OF PLATES XX AND XXI. 
Fie. 1. Phyllotheca Whaitsi, sp. nov. Slightly reduced. 
Figs. 2-5. Osmundites TO sp. nov. 
Fig. 2. Outline drawing showing the shape of the stem. Approximately 
fo nat. size. 
Fig. 3. VV Seninal piece of the stem (x, Fig. 2). 
Fig. 4. Portion of the stem (§ ‘nat. size) showing petiole- bases and 
depression (c). 
Fig. 5a. Transverse section of petiole (a, Fig. 4). 
Fig. 5d. Transverse section of vascular strand of younger leaf-stalk. 
Fig. 5c. Leat-stalk with crushed vascular band. 
Fig. 5d. Oblique view of two petiole-bases (4, Fig. 4). 
Fies. 6-8. Lepidodendron australe, M’Coy. 
Fig. 6. Nat. size. 
Fig. 7. A single area enlarged. 
Fig. 8. Cell- outlines (considerably enlarged) as seen on the surface of the area 
shown in Fig. 7. 
Fic. 9. Bucklandia sp. 1% nat. size. 
I1.—Tuer Tycerrsere ANTICLINE. 
By Professor Ernst H. L. Scuwarz, A.R.C.S., F.G.S., 
Rhodes University College, Grahamstown, South Africa. 
(PLATE XXII.) 
OUND the south-western corner of Cape Colony there is a belt of 
mountains which exhibit a number of exceedingly interesting 
features. The ranges meet almost in a right angle, the one set 
1 Carruthers: Trans. Linn. Soc., vol. xxvi (1870), pl. liv, fig. 4. 
2 Seward: Catalogue of the Mesozoic Plants in the Department of Geology 
(British Museum) : The Wealden Flora, pt. ii, p. 123. 
3 Seward: Ann. 8. African Museum, vol. iy (1903). 
