384 



shows in its section oblong seeds, in right angle to the axis, with their 

 tops appearing at the outside surface. Both these cones are figured in 

 Schimper's Yeget. Pal. (PI. LXXII, figs. 1,2, 14, 15.) There is, however, 

 a great difference in the very large size and in the characters of this 

 silicified strobile with those of a Zamia. It apparently represents a 

 peculiar genus of the Cycadineoe. 



Habitat. — Pouiid loose around Golden, Dr. F. V. Ray den. 



7. Sequoia appinis, sp. nov. 



Branches long, slender, pinnately branching,* leaves short, oblong, 

 imbricated, and obtuse or longer lanceolate-acute, erect or slightly 

 reflesed; branchlets bearing cones, open; strobiles small, round-oval, 

 obtuse; scales large, rhomboidal, with entire borders, and a central oval 

 mamilla, and wrinkles passing from it to the borders all around; male 

 branches erect, with more acute and open leaves, resembling sterile 

 branches of GJyptostrohus Eurojjeiis, with small, round catkins, covered 

 to the top by imbricated lanceolate leaves. 



This species, of which we have numerous and admirably well-preserved 

 specimens, is much like Sequoia Coutske, Heer, of the Bovey Tracy flora, 

 differing, however, from it by the more obtuse point of the scale-like 

 leaves, by more acute and longer leaves of the sterile branches, by more 

 slender branchlets bearing cones at their ends, by proportionally larger, 

 more oval cones (not globular), by the indistinctness of a middle nerve 

 on the back of the leaves, which appear merely convex or inflated, etc. 

 The seeds are of the same size as those of S. Coutsiw; they differ also 

 somewhat by cordate base and a mere trace of middle nerve near the 

 top, where it divides and passes on both sides, curving along the borders. 



Habitat.— Middle Park, Br. F. Y. Hay den. 



9. Sequoia acu:minata, sp. nov. 



The form of the leaves is about the same as in Sequoia longifoUa ; they 

 are, hoM'ever, generally shorter, narrower, less crowded upon the stems, 

 and especially distinct by the smooth surface of the leaves. In this 

 specie^, the denudated branches are striate, while, in the former, they 

 bear the scars of the base of the leaves. This difference, however, may be 

 merely the result of decortication in the specimens representing this last 

 siDecies. 



Habitat.— Black Butte. 



10. Sequoia?, species. 



Cones flattened, api^arently long, linear- obtuse, marked at the surface 

 by shields of scales, the only organs preserved. These are separated 

 from each other, not continuous nor imbricate, rhomboidal in outline, 

 with acute sides, and rounded top, bearing in the middle a round mamilla, 

 from which wrinkled lines are diverging to the borders. The specimen 

 represents two crushed cones, of which nothing can be seen but w^hat is 

 described here. 



Habitat.— Middle Park, Dr. F. V. Hayden. 



11. Aeundo reperta, sp. nov. 



Stem thick, articulated; surface striated, marked with round, obtuse 

 knots, either placed on the articulations or here and there upon the 

 stem, without normal distribution ; ear of seeds crushed, representing 

 lanceolate glumes, sharp-pointed and rounded at base, and ovate-lanceo- 

 late-acute seeds, truncate at the base, with the center elevated or con- 

 vex, apparently covered with a coating of hairs. The glume is longer 

 than the seeds, and nerved in the middle. 



Habitat. — Green Eiver, west of the station. Dr. F. Y. Say den. 



