REVIEW OF CONTRIBUTIONS TO FOSSIL BOTANY. 83 
pi established aT interpretation of the “ macrospores,” for he has 
— around these bodies immense quantities of microspores, 
i as in R. Brown’s Triplosporites, of three sporules, and in 
the interior of some of the “ macrospores ”” m) ^ z^ ob- 
served and has shown to me several microspores yet 
Pinnularia elongata, Daws. Foss. Fl. Canada, p. 33; ore vii. if 71. 
Devonian. St. Johns 
St. Johns 
P. nodosa, Daws. l.c ; pl. vi i.f. 78.  Devonia 
Sphenophyllum Seol, ! Philips, Geol. Oxford, " 86; f. 3. “Carbonife- 
rous. Forest of Dean. 
Volkmannia Dawsoni, Williamson, Mem. Lit. Phil. Soc. Manch. 3rd ser. 
vol. v. p. 28; pl. i—iii. This obviously belongs to Binney’s genus 
Bowmanites, and is perhaps the same species as that of which Binney 
figures the external form. 
Lycopopracea. : 
Arthrostigma gracile, Dap Foss. Pl. Canada, p. 41; pl. xiii. 
vonian aspè. This isa species of that group of plants to which 
Haughton gave the name Cyclostigma. It has no points of corre- 
spondence with Calamites ; the leaves are spirally arranged in all the 
specimens figured, and not in whorls as in Dr. Dawson’s restoration. 
Cyclostigma ordini. ons Foss. Pl. Canada, p. 43; pl. viii 
2— 
C. Kiltrkene, p sas Baily, Characteristic Brit. Foss. pl. 28. f. 3. 
Ki Bailyana, Schimp. ; Baily, Characteristic Brit. Foss. pl. 28. 
i n, Williamson, Proc. Roy. Soc. vol. xix. 
? Hotcoartid. Williamson, Palæont. Soc. ; Binney’s ge Fl. p. 46 ; 
L. p Ung. Baily, Characteristic = Foss. » M f. 4. 
vasculare, Binney, dig m . Soc. l. c. p. 49; pl. v 
s. Foss. Pl. VOR 36; pl. viii. f. 90. 
i . Gas 
L. dubius, Binney, l. c. p. 52; pl. ix. f. 3. 
L. Hibbertianus, Binney, |. c. P 55; Fi LELES 
L. latus, Binney, l. c. p. 57; be x. f. 3 
L. levidensis, Binney, l. e. p. 54; pl. x 
. Russellianus, Sed & p. P pl. i ix. ^ 1,42. 
L tenuis, Binney, l. c. p. 53; pl. i 
L. Wuenschianus, Binney, l. c. p. 56; pl. xi. f. 2. 
Sigillaria, Willia paas Proc. Roy. Boo. vol. xix. p. 5 
n in Proc. Lit. and Phil. Soe. = x. p. 116. 
8. areolata, Daws. Te Pl. Canada, p. 23; pl. iii. f. 33. Devonian. 
beca 
S. minutissima, Daws. a r P 23; pl. iii. f. 34. Devonian. Gaspé. 
S. perlata, Daws. l. e. ; pl. iii. f. 32. Devonian. St. John. 
S. stellata, Eichw. ; D efi Geol. Mag. vol. viii. p. 236. Carboni- 
ferous. Lanark shire 
CYCADE 
Paleozamia. megaphylla, Phillips, Geol. Oxford, p. 169 ; diag. xxx. f. 1. 
Oolite. | Stonesfield. 
Pterophyllum Buckmanni, Phillips, Geol. Oxford, p. 170. Oolite. 
Sevenhampton 
e 2 
