Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 50. Lonchopterii Bricii. The ferns composed a great part of the vegetationof the carboniferous period, both in the herbaceousand arborescent form. Eerns differ chiefly in some ofthe details of the leaf. Pecopteris, for instance(fig. 47), has the leaves once, twice, or thrice pin-nated with the leaflets adhering either by their wholebase or by the centre only; the midrib runningthrough to the point. Neuropteris (fig. 48) hasleaves divided like Pecopteris, but the midrib doesnot
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 50. Lonchopterii Bricii. The ferns composed a great part of the vegetationof the carboniferous period, both in the herbaceousand arborescent form. Eerns differ chiefly in some ofthe details of the leaf. Pecopteris, for instance(fig. 47), has the leaves once, twice, or thrice pin-nated with the leaflets adhering either by their wholebase or by the centre only; the midrib runningthrough to the point. Neuropteris (fig. 48) hasleaves divided like Pecopteris, but the midrib doesnot reach the apex of the leaflets, but dividesright and left into veins. Odontopteris (fig. 49)has pinnatifid leaves like the last, but its leafletsadhere by their whole base to the stalk. Lonchop- Feb. 1, 1SCG.] SCIENCE-GOSSIP. 39 teris (fig. 50) lias the leaves several times pinnatifid,the leaflets more or less united to one another,and the veins reticulated. Among the numerous. Fig. 51. Sphenopteris arfremixitBfolia. species of the period was Sphenopteris artemisicefolia(fig. 51). Sphenopteris has twice or thrice pin-natifid leaves, the leaflets narrow at the base, andthe veins generally arranged as if they radiated fromthe base : the leaflets frequently wedge-shaped. BOTANICAL NOTES OF THE YEAR. nPvURING 1S65 but few plants new to the--^ British Isles have been observed; at least, asregards the higher orders, though, among the lower,various novelties have been recorded. Perhaps thesole example of a new flowering plant with which1865 has presented as, which can be regarded as anundoubted native, is the sharp-leaved Irish Ivy(Hedera Canariensis), which, first announced as anIrish species by Dr. Seemann, is confirmed as suchby Professor Babington, in the December numberof the Journal of Botany, that gentleman havingobserved it, on old whitethorn trees, in thewestern part of the Phoenix Park, near appears to have been subsequently recorded fromcounty
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