424 MR ROBERT KIDSTON ON SOME FOSSIL PLANTS FROM 



can learn from a study of Gomes' figures it appears more probably to belong to 

 Rhacopteris flabellata, Tate, sp. 



Rhacopte?is flabellata differs from Rhacopteris Geikiei, Kidston,* in the former 

 having unilateral pinnules with narrower segments, which do not spring from a distinct 

 midrib as in Rhacopteris Geikiei. 



Rhacopteris insequilatera, Goppert, sp. 



Rhacopteris incequilatera, Feistmantel, Palceontograpliica Sripp., iii., Lief. iii. Heft ii. p. 74, pis. ii. fig. 3, 



iii. figs. 1, 2, iv. figs. 1, 2 ; Heft. iv. p. 145, pis. i. (xix.) figs. 3, 4, ii. (xx.) figs. 1, 3, iii. 



(xxi.) iv. (xxii.) figs. 2, 3, v. (xxiii.) figs. 4, 5, vi. (xxiv.) fig. 2 (1), 1878. 

 Cyclopteris incequilatera, Gbpp., Foss. Flora d. Silur. Devon, u. unteren Kohlenf, p. 72, pi. xxxvii. 



figs. 6, 7, 1860. 

 Adiantites Lindseaiformis, Bunbury, Geol. Survey of Ot. Brit. ; The Geology of the Neighbourhood of 



Edinburgh, pp. 144 and 151, fig. 26, 1861. 

 Rhacopteris fiabellifera, Stur., Culm Flora, Heft i. p. 76, pi. vi. fig. 10. 



Remarks. — Several specimens are contained in the collections from Teilia Quarry, but 

 all are more or less fragmentary. Goppekt's name for this species, being older than that 

 given to it by Bunbury, must be adopted for this fern. I am, however, sorry to see the 

 old and well-known name of Lindsewformis disappear from our lists. 



Archseopteris, Dawson. 



(?) Archseopteris, sp. 



Remarks. — There are one or two indistinct impressions in the collection, which appear 

 to be referable to this genus. 



& v 



Sphenopteris, Brongniart. 



Sphenopteris subgeniculata, Stur., sp. (Plate II. fig. 10.) 



Diplothmema subgeniculatum, Stur., Culm Flora, Heft. ii. p. 135, pi. xii. figs. 8, 9, 10. 



Description. — Frond much divided, ultimate pinnae alternate ; pinnules alternate, 

 and in the lower part of the pinna? composed of numerous simple or dichotomous, narrow, 

 linear segments, into each of which extends a vein. Rachis slightly geniculate. 



Remarks. — This species is closely related to Sphenopteris geniculata, Germar and 

 Kaulfuss,t but is smaller and more delicate in all its parts. 



Sphenopteris Teiliana, Kidston, n. sp. (Plate I. fig. 3.) 



Description. — Frond bipinnate (?) ; main rachis divided into two equal parts by an acute- 

 angled dichotomy ; pinnae oblong, alternate ; pinnules alternate, fan-shaped, and composed 



* Trans. Roy. Soc. Edin., vol. xxx. p. 535, pi. xxx. fig. 5, pi. xxxi. fig. 9. 



+ Merkw. Pflanzenabdr. Verlmndl. d. k. Leop. Carol. Akad. d. Naturf., vol. xv. part ii., 1831, p. 224, pi. lxv. fig. 2. 



