176 FLORA OF LOWER COAL MEASURES OF MISSOURL 



3S77. Sphcnophyllum dichotomum (Germ, and Kaulf.) ting., Stur, Culm-Flora, vol. ii, 

 p. 119 (225). 



1887. SpJienojjhylhim dichotomum (Germ, and Kaulf.) Ung., Stur, Calamar. d. Carbon- 



Fl., p. 233, fig. 43, pi. XV, figs. 5a, 6, c; pi. xiii, fig. 2. 



1888. Splienopliyllum dichotomum (Germ, and Kanf.) Ung., Toula, Die Steiukoblen, p. 



204, pi. V, figs. 16, 21. 

 1878. Sphenophijllum cuneifoUum (Stb.) Zeiller, Veg. foss. terr. houill., pi. clxi, fig. 1; 



text (1879), p. 30 (pars). 

 1882. Sphenopkyllinn cuneifoUum (Stb.) Zelll., Renault, Cours bot. foss., vol. ii, p. 87, 



1)1. xiii, fig. 10. 

 1886. Sphenophyllum cuneifoUum (Stb.) Zeiller, Fl. foss. houill. Valenciennes, Atlas, 



pi. Ixiii, figs. 1-3, 6, 7 (3, 4, 5, 10, fruit); text (1888), p. 413. 

 1893. Sphenophyllum cuneifoUum (Stb.) Zeill., D. White, Bull. U. S. Geol. Surv., No. 



98, p. 36. 



1893. Sphenophyllum cuneifoUum (Stb.) Zeiller, Mem. Soc. geol. Fr., Pal., vol. iv. No. 



11, p. 12, pi. i; pi. ii, figs. 1-3; pi. iii, figs. 1-2. 



1894. Sphenophyllum cuneifoUum (Stb.) Zeill., Potonie, Ber. d. deutsch. bot. Gesell., 



vol. xii, 4, p. 99, figs. Za-h (fig. 1 fruit). 



1896. Sphenophyllum cuneifoUum (Stb.) Zeill., Potonie, N. Jahrb. f. Min., 2d Abth., 



p. 142, fig. 1; p. 143, figs. 2a-h; p. 152, fig. 8. 



1897. Sphenophyllum. cuneifoUum (Stb.) Zeill., Potonie, Lehrb. d. Pflanzenpal., p. 176, 



fig. 171; p. 179, fig. 177. 

 1SS6. Sphenophyllum cuneifoUum (Stb.) Zeill. var. saxifragcefolium (Stb.) Zeiller, Fl. 



foss. houill. Valenciennes, Atlas, pi. Ixii, fig. 1; pi. Ixiii, figs. 4, 5, 9, 10; text 



(1888), p. 413. 

 1893. Sphenophyllum cuneifoUum (Stb.) Zeill. var. saxifragwfoUum (Stb.) Zeill., D. 



White, Bull. U. S. Geol. Surv., No. 98, p. 37. 

 1888. Calamites Sachsei Stur, Toula, Die Steinkohlen, p. 205, pi. v, fig. 22. 

 1888. An Sphenophyllum [Calamites) Sachsei Star, Toula, Die Steinkohlen, i>. 204, pi. 



V, fig. 20? 



1898. Sphenophyllostachys Daicsoni (Will.) Seward, Foss. PL, vol. i, p. 400, figs. 107A, G; 



p. 402, fig. 108. 



This species, represented by the normal form with narrow, concave- 

 sided, cuneate leaves and sharp teeth, appears to be well represented in the 

 collections, though the specimens are rather more robust and rigid than in 

 examples from other regions. Besides the more common form, there are 

 certain specimens with leaves a little broader, spreading more, the teeth 

 seeming not quite so acute, which I have doubtfully referred to S. emargi- 

 natum Brongn. 



As usual in this species, the tips of the leaves ai-e generally buried in 

 the matrix, a circumstance which probably gives rise to the inclusion of 

 Sphenophyllum Schlotheimii Brongn. in Professor Lesquereux's list of the 

 Henry County, Missouri, plants. 



