498 EEPORT UNITED STATES GEOLOGICAL SURVEY. 



Aspidium, Sw. 



31. Aspidium Kennerlyi, Newby., Boston Journ. Nat. Hist., 1863, p. 8. 



Gymnogramma, Desv. 



32. Gymnogramma Gardneri, Lesqx., Tert. Flora, p. 58, pi. iv, fig. 2. — 



Pteris Gardneri, Lesqx., Annual Eeport, 1873, p. 393. 



33. Gymnogramma Haydenii, Lesqx., Tert. Flora, p. 59, pi. v, figs. 1-3. 



Osmunda, Linn. 



34. Osmunda affinis, Lesqx., Tert. Flora, p. 60, pi. iv, fig. 1. — Ptens 



affinis, Lesqx., Annual Report, 1873, p. 392. 



Lygodium, Sw. 



35. Lygodium neuropter aides, Lesqx., Tert. Flora, p. 61, pi. v, figs. 4-7 ; 



pi. vi, fig. 1. 



36. Lygodium Marvinei, Lesqx., Tert. Flora, p. 62, pi. v, fig. 8. 



37. Lygodium Dentoni, Lesqx., Tert. Flora, p. 63, pi. Ixv, figs. 12, 13. 



38. Lygodium compactum, Lesqx., Tert. Flora, p. 64, pi. v, fig. 9. 



Onoclea, L. 



39. Onoclea sensibilis, Linn. — Newby., Ext. Floras, p. 39, pi. 8, fig. 1 ; pi. 



iv, figs. 1-5. 



40. Twniopteris Gibbsii, Newby., Boston Journ. Nat. Hist., 1863, p. 7. 



Rhizocarpje. 

 Salvinia, Michx. 



41. Salvinia cyclophylla, Lesqx., Tert. Flora, p. 64, pi. v, figs. 10, 10 a. 

 ■42. Salvinia Alleni, Lesqx., Tert. Flora, p. 65, pi. v, fig. 11. — Ophioglos- 



sum Alleni, Lesqx,, Annual Report, 1872, p. 371. 



43. Salvinia attenuata, Lesqx., Tert. Flora, p. 65, pi. Ixiv, fig. 14, 14 a. 



CALAMARI^. 

 Equisetace^. 

 LJquisetum, Linn. 



44. Equisetmn Haydenii, Lesqx., Tert. Flora, p. 67, pi. vi, figs. 2-4. 



45. Lquisetum Icevigatum, Lesqx., Tert. Flora, p. 68, pi. vi. figs. 6, 7. 



46. LJquisetwn Wyomingense, Lesqx., Tert. Flora, p. 69, pi. vi, figs. 8-11. 



47. Equisetum rohustum, Newby., Boston Journ. Nat. Hist., 1863, p. 8. 



48. Equisetum limosum?, Linn., Lesqx., Tert. Flora, p. 69, pi. vi, fig. 5. 



Lycopodiace^. 

 Lycopodium, Liu a. 



49. Lycopodium prominens, Lesqx., Tert. Flora, p. 45, pi. v, figs. 13, 13 ft. 



