THE MARYLAND CYCADS. 429 



surface on one side and the cortical parenchyma with leaf strands on 

 the other. A few of the scars are normal. The tangential length is 

 18 cm. and the vertical width 9 cm. The radial thickness is 6 cm. It 

 is stained red by contact with paint clay. (Locality: PL LXXX, near 

 No. 106.) 



PL LXXXVII, Fig. V, 17, shows the D. O. Donaldson fragment, 

 W. C, B., No. 1657, which has been broken from the outer portion of 

 a small trunk showing a little of the armor and woody zone. It is a 

 porous sandstone of a yellowish-brown color so much like that of the 

 R. T. Donaldson fragment. No. 2, W. C, B., No. 1656, found at the 

 same place, that there is a strong presumption that it belonged to 

 the same trunk, although the two fragments do not fit each other in 

 any way. The outside is stained pink, as if in contact with the paint 

 clays. The specimen has a length in the direction of a cord of the cir- 

 cumference of 13 cm., a radial width of 8 cm., and a thickness of from 

 3 cm. to 6 cm., being somewhat wedge shaped. (Locahty: PL LXXX, 

 No. 107.) 



PL LXXXVIII is the view taken on May 11, 1895, of the exposure 

 on the east side of Deep Ditch, or the Link gorge, with the Link cycad, 

 W. C, B,, No. 1481, restored by Mr. Link himself to the place where 

 he had seen it still projecting from the wall, before it fell to the bottom 

 of the gorge where he found it and took it to his house. 



PL LXXXIX, from a photograph made by the Woman's College 

 of Baltimore, represents a group of cycads acquired by the college after 

 the group shown on PL LXXXVII had been taken. Six of the specimens 

 of this group belong to this species: 



PL LXXXIX, Fig. II, 3, represents the Allen fragment. No. 1, 

 M. G. S.-W. C, B., No. 9046, which comes from the side of a large trunk, 

 near the base, extending inward to the medulla. It has two converg- 

 ing longitudinal radial fractures and a transverse fracture above. The 

 inner side is bounded by a somewhat hollowed-out trough, lined with 

 a thin layer of the coarse substance of the medulla. It is 20 cm. long, 

 9 cm. wide (tangentially), and 10 cm. thick (radially). The scars are 

 pretty distinct and large for this species, but normal. The long curv- 

 ing leaf strands are well shown on the radial fractures. (Locality: 

 PL LXXX, No. 101.) 



