PLATE LXXX. 



Page. 



Figs. 1,2. LYGODir>r KArLFUsii Heer. l.aiiiiu River 672 



3. LYGomr.M kaulfush, fruit. Lamar Kiver 672 



4,5. OsMUNDA AFFiN'i.s Lx. Hill above Lost Creek 673 



6. ASPLEXir.M EROSU.M? (Lx. ) Ku. Yellowstone River below Elk Creek 668 



7. Asi'LE.viu.M REMOTiDEXS n. sp. Yellowstone River below Elk Creek 669 



8. DitYdPTKRLS WEEDii u. sp. Y'ellowstone River below Elk Creek C69 



9,10. AsPLENiu.M IDDINGSI n. sp. Yellowstone River below Elk Creek 666 



11. PiNUS MACROLEPI.S u. sp. Fossil Forest 679 



12 PiNfs GRAClLlSTRoiiUS n. sp. Fossil Forest 676 



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