TYPE SPECIMENS OP FOSSIL PLANTS. 293 



938. Rhamnus rectinervis Heer. Illustrated specimen. 



Upper Cretaceous. Anthracite Creek, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 279, 

 pi. 52, fig. 15. 



450. Rhamnus rossmassleri Unger. Illustrated specimen. 



Laramie (Cret.). Black Buttes, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 283, 

 pi. 54, fig. 4. 



=Juglans rhamnoides. 



50106. Rhamnus similis Lesquereux. 'Type. 



Dakota (Cret.). Ellsworth County, four miles southwest 

 of Brookville, Kansas. 



Lesquereux, Mon. XVII, U. S. Geol. Surv., 1891, p. 168, pi. 35, 

 figs. 12, 13. 



748. Rhamnus tenax Lesquereux. Type. 



Dakota (Cret.). Southern Kansas. 



Lesquereux, Amer. Journ. Sci., LXVI, 1868, p. 101; Rept. U. S. 

 Geol. Surv. Terr., VI, Pt. I, 1874, p. 109, pi. 21, fig. 4. 



25016. Rhizomorpha sigillariae Lesquereux. Type. 



Allegheny (Penn.). Cannelton, Pennsylvania. 



Lesquereux, Proc. Am. Phil. Soc, 1877, p. 174-; Coal Flora, Second 

 Qeol. Surv. Pa., Rept. Prog. P, Atlas, 1S79, p. 1, pi. B, figs. 

 11, 11a; Text, I, 1880, p. 3. 



187 1 Rhus acuminata Lesquereux. Illustrated specimens, 



to Green River (Tert.). Florissant, Colorado. 



l8 74- Lesquereux, Rept. U. S. Geol. Surv. Terr., VIII, Pt. Ill, 1883, p. 194, 



pi. 42, figs. 14-17. 



2582. Rhus bendirei Lesquereux. Types. 



Miocene (Tert.). Van Horn's Ranch, John Day Valley, 

 Oregon. 



Lesquereux, Proc. U. S. Nat. Mus., XI, 1888, p. 15.pl. 9, fig. 2. 

 = Juglans oregoniana (part). 



1887. Rhus cassioides Lesquereux. Type. 



Green River (Tert.). Florissant, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VIII, Pt. Ill, 1883, p. 193, 

 pi. 41, fig. 11. 



1642. Rhus? drymej a Lesquereux. ' Type. 



Green River (Tert.). Florissant, Colorado. 



Lesquereux, Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 1873 

 [1874], p. 416. 



= Myrica drymeja. 



See Callicoma microphylla. 



477 Rhus evansii Lesquereux. Types, 



to Laramie? (Cret.). Evanston, Wyoming. 



479- Lesquereux, Ann. Rept.U. S. Geol. Surv. Terr., 1871 [1872], p. 293; 



1872 [1873], P- 4° 2 ; Re Pt- U. S. Geol. Surv. Terr., VII, Pt. II, 

 1878, p. 291, pi. 50, fig. 4; pi. 58, figs. 5-9. 



