326 Quercus species — Rachiopteris Grayi Will. 
Quercus species — Eocän, Bighorn Basin, Wyoming — F. H. Knowlton (2), 
p. 213. 
Quercus species — Eocän, nach Stanton (1) obere Kreide, Converse County, 
. Wyoming — F. H. Knowlton (2), p. 207. 
Quercus species — Eocän, Forsyth, Montana — F. H. Knowlton (2), p. 191. 
Quercus species — Eocän, Fox Hills, North Dakota, nach Stanton (1) obere 
Kreide — F. H. Knowlton (2), p. 201. 
Quercus species — Eocän, Glendive, Montana — F. H. Knowlton (2), p. 197. 
Quercus species — Eocän, Hell Creek, Montana — F. H. Knowlton (2), p. 185. 
Quercus species — Eocän, nach Stanton (1) obere Kreide, Weston County, 
Wyoming — F. H. Knowlton (2), p. 204. 
Quercus species — Obermiocän, Württemberg — Th. Engel (1), p. 550. 
Quercus species L. — Pleistocän, Virginia — E. W. Berry (7), p. 435. 
Quercus species — Eaton Coalfield, New Mexico — W. T. Lee (1), p. 367. 
Quercus species — Tertiär, Paskapoo und Laramie, Canada — D. B. Do wling (1), 
p. 32. 
R. 
Rachiopteris — Charakteristisch für Mitteldevon — D. White (3), p. 322. 
Rachiopteris Aphyllum Solms, Über Pflanzenr. d. Unterkulm v. Saalfeld, 1896, 
Taf. II, Fig. 1 — zu Metaclepsydropsis paradoxa Ung. — P. Bert ran d (7), 
p. 204. 
Rachiopteris aspera Will. — Anatomie wie Filices — R. Chodat (2), 
p. 8—19. 
Rachiopteris aspera Will. — zu Lyginodendron — J. P. Lotsy (2), p. 712. 
Rachiopteris bibractensis Will., On the organ. of the foss. pl. of the lower coal 
measures, Part VI, 1874, Taf. LVIII, Fig. 49, LV, Fig. 44 — zu Ankyropteris 
bibractensis B. Ren. var. westphaliensis P. Bertr. — P. Bertrand (7), 
p. 219. 
Rachiopteris corrugata Will., On the organ. of the fossil plants of the lower 
coalmeasures, Part VIII, 1876, Taf. V, VI, VII, Fig. 20, 23, 24 — zu Ankyro¬ 
pteris corrugata Will. — P. Bertrand (7), p. 220. 
*Rachiopteris cylindrica Will. — Anatomie — J. P. Lotsy (2), p. 583, 
Fig. 394. 
* Rachiopteris dicksonioides Ren. —Vergleich mit Dicksonieae —F.P e 1 o u r d e (6), 
p. 124, Fig. 13. 
Rachiopteris diupsilon Will., On the organ. of the foss. plants of the lower Coal 
measures, Part X, 1879, Taf. XXI, Fig. 90 — zu Etapteris diupsilon Will. 
— P. Bertrand (7), p. 208. 
Rachiopteris duplex Will., On the organ. of the foss. plants of the lower coal 
measures, Part VI, 1874, Taf. LIV, Fig. 30, LV, Fig. 28, 35, LVI, Fig. 39 — 
zu Metaclepsydropsis duplex Will. — P. Bertrand (7), p. 205. 
Rachiopteris esnostensis B. Ren., Bass. Houill. et perm. d’Autun et d’Epinac, 
1896, Taf. XXX, Fig. 5—8 — zu Diplolabis Römeri Solms — 
P. Bertrand (7), p. 211. 
Rachiopteris gleiche Will. — zu Anachoropteris pulchraCorda — P. Bertr and (7), 
p. 227. 
Rachiopteris Grayi Will. — Anatomie; Vergleich mit Ankyropteris bibractensis 
var. westphaliensis P. Bertr. — P. Bertrand (7), p. 77, 78. 
Rachiopteris Grayi Will. — Ist ein Stamm von Ankyropteris; vielleicht zwei 
Arten — P. Bertrand (7), p. 222. 
