. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . whichnow grow only in the vicinity of the equator, present the closestanalogy to those of the carboniferous period, whichwere lofty trees, far surpassing in height and mag-nificence, even their tropical congeners of the presentday. From their number and variety, they affordsome of the most interesting fossil remains which thevegetable kingdom has produced. Their leaves aregenerally elegant, and display great variety of formand diversity of venation ; from these characters t
. Off-hand sketches : a companion for the tourist and traveller over the Philadelphia, Pottsville, and Reading railroad . whichnow grow only in the vicinity of the equator, present the closestanalogy to those of the carboniferous period, whichwere lofty trees, far surpassing in height and mag-nificence, even their tropical congeners of the presentday. From their number and variety, they affordsome of the most interesting fossil remains which thevegetable kingdom has produced. Their leaves aregenerally elegant, and display great variety of formand diversity of venation ; from these characters thegeneric and specific distinctions of the family are ob-tained. They are often preserved in great perfection,and even the organs of fructification are occasionallyobservable at the back of the leaf Several finespecimens of the fern may be seen at the Pennsyl-vania Hall, in Pottsville, while nearly every coal ope-rator has more or less of various kinds of vegetablefossil, which they exhibit for the gratification offriends. Martin Weaver, Esq., has shown us se-veral of the finest impressions we have yet seen, and ^^^. -rocopteils. he had, at one time, if he has not now, a considerable * 126 OFF-HAND SKETCHES, Fig. 5 exhibits a variety of fruit, of the family of Chara, andcomprised in the same chiss as the foregoing. The fruit is oval, andconsists of five valves, twisted spirally, wdth a small opening at eachextremity. The figiire on the left, marked 1, exhibits the nut within
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Keywords: ., bookcentury1800, bookdecade1850, bookidoffhandsketc, bookyear1854
