The name _Yuccites_[726] was given to some detached, broad, linear leaves from the Bunter sandstone of the Vosges which were compared with the foliage of _Yucca_ and classed among Monocotyledons. The authors of the genus also described a cylindrical cast as a _Yuccites_ stem, including both stem and leaves in _Yuccites vogesiacus_. The supposed stem, as Fliche[727] has shown, is a pith-cast and is appropriately named by him _Endolepis vogesiacus_. The Vosges leaves are assigned by this author to the genus _Cordaites_, a change of name which may eventually be justified though as yet based on insufficient evidence. There are objections to the institution of a new name in place of _Yuccites_, but it is undesirable to retain a designation suggesting false ideas with regard to affinity. A new name _Pelourdea_ (after M. Pelourde of Paris, whose recent death deprives Palaeobotany of an able and promising investigator) is therefore proposed for leaves of the _Yuccites_ type which in form, venation, and spiral phyllotaxis agree with those of _Cordaites_ but cannot confidently be assigned to that genus or even to the Cordaitales. For linear leaves, especially from Jurassic strata, resembling those of _Phoenicopsis_ the name _Desmiophyllum_[728] is employed: these are very similar to those of _Pelourdea_; they are characterised by their fairly uniform breadth and afford no indication of their arrangement on the supporting axis. _Pelourdea vogesiaca_ (Schimper and Mougeot). The linear-lanceolate leaves described by Schimper and Mougeot as _Yuccites vogesiacus_ and transferred by Fliche to _Cordaites_ are probably specifically identical with specimens described by Mr Wills[729] from Lower Keuper rocks in Worcestershire. The English leaves were described by Arber[730] as _Zamites grandis_,—the name _Zamites vogesiacus_ having been previously used by Schimper and Mougeot,—on the ground that the supposed leaves were probably pinnae of a cycadean frond, a view in agreement with an opinion previously expressed with regard to similar leaves from Stonesfield[731]. A later discovery by Wills of specimens, on which the drawing reproduced in fig. 484 is based, of the same type of leaf showing the foliar nature of the fossils necessitated the abandonment of the pinna-hypothesis, and the original name _Yuccites vogesiacus_ was resuscitated[732]. The leaves reach a length of 50 cm. and a maximum breadth of 6·5 cm.; the lamina is entire, lanceolate or linear-lanceolate, the apex acuminate, and the lower part rather abruptly contracted and attached by a broad crescentic base; veins numerous, parallel, and occasionally forked. Fliche records the occurrence of a small _Artisia_-like pith-cast and pieces of stem with leaf-scars (4 × 3 mm.) in association with leaves of _Pelourdea vogesiaca_ in Triassic strata in Lorraine. An imperfectly preserved specimen described by Fliche as _Cordaianthus Minieri_[733] resembles an inflorescence of _Cordaites_.