320 MR ROBERT KIDSTON ON THE 



II. Those from the Middle Coal Measures, beginning at a depth of 451 yards, and 

 comprising the remaining strata passed through. 



I. The Flora of the Upper Coal Measures. 

 Calamites, Suckow. 



Group I. — Calamitina, Weiss., Steinhohlen Calamarien, part ii. p. 59, 1884. 

 Calamitina (Calamites) varians, Sternb., var. 



Calamites varians, Sternb., Vers., ii. p. .50, pi. xii. 

 Horizon : — At a depth of 440 yards. 



Group III. — S tylocalamites, Weiss., iUd., i>. 119. 

 Stylocalamites (Calamites) Suckowii, Brongt. 



Calamites Suckotvii, Brongt., Hist. d. vegk. foss., p. 1 24, pi. siv. fig. G ; pi. xv. figs. 1-6 ; pi. xvi. figs. 2-4 (fig. 1 '?). 

 Horizon : — At a depth of 440 yards. 



Stylocalamites (Calamites) undulatus, Sternb. 



Calamites undulatus, Sterab., Vers., i. fasc. 4, p. xxvi. ; Vers., ii. p. 47, pi. i. fig. 2 ; pi. xx. fig. 8. 

 Calamites undulatus, Zeiller, Flm-e foes, du bassin houiller de Valenciennes, pi. liv. fig. 1, 1886. 

 Calamites uudidatus, Brongt., Hist, de verjet. foss., p. 137, pi. xvii. figs. 1-4. 



Calamites Suchoidi, var. vndulatus, Weiss., Steirikohlen Calamarien, part ii. p. 135, pi. xvii. fig. 4, and 

 text figure, p. 135, 1884. 



Remarks. — This plant is regarded by several writers as a distinct species, Init by 

 others as a variety of Calamites Suckowii, Brongt. 



Horizon : — At a depth of 440 yards. 



Calamites, sp. 



Remarks. — Several fragments, which, however, cannot be specifically determined, 

 occur at depths of 336 and 411 yards respectively. 



Annularia, Sternb. 

 Annularia stellata, Schloth., sp. 



Casuarinites stellatus, Schloth., Flora d. Voricelt, p. 32, pi. i. fig. 4. 



Annularia longifolia, Brongt., Prodrome, p. 156. 



Asterophyllites equisetiformis, L. and H. (not Schloth.), Fossil Flora, vol. ii. pi. cxxiv. 



Fruit. — Bnickmannia tuhercidata, Sternb., Vers., i. fasc. 4, p. xxix. pi. xlv. fig. 2. 

 Horizons: — At depths of 336 and 411 yards. 



