272 MESOZOIC FLORAS OF UNITED STATES. 



II. In the Horsetown or upper member only: 



1. Sagenopteris oregonensis Font. n. comb. Two good specimens and one 

 doubtful one. 



2. Ctenopteris integrifolia Font. ? Two very imperfect specimens. 



3. Dioonites Dunkerianus (Gopp.) Miq. Several fair specimens. 



4. Ctenophjdlum latifolium Font.? One imperfect specimen. 



5. Nageiopsis latifolia Font. ? A single doubtful specimen. 



6. Abietites ellipticus Font. SeTsral very distinct specimens. 



7. Abietites macrocarpus Font. Several imperfect specimens. 



S. Pinus shastensis Font. n. sp. A considerable number of specimens, some 

 quite good. 



9. Sequoia Reichenbachi (Gein.) Heer. Several distinct specimens and a large 

 number of doubtful ones. 



10. Sequoia ambigua Heer. A considerable number of undoubted specimens. 



11. Sphenolepidium Sternbergianum (Dunk.) Heer. Four quite distinct speci- 

 mens. 



12. Saliciphyllum pachyphyllum Font. n. sp. Only one, but a good specimen. 

 1.3. Saliciphyllum calif ornicum Font. n. sp. Only one, but a very good speci- 

 men. 



14. Menispermites californicus Font. n. sp. Several very imperfect specimens. 

 1.5. Acaciseph^dlum ellipticum Font. n. sp. Only one, but a good specimen. 



III. In both Knoxville and Horsetown beds: 



1. Sagenopteris nervosa Font. n. sp. A considerable number of specimens, 

 several quite good. 



2. Angiopteridium canmorense Dn. ? A good many specimens, but all imperfect. 



3. Angiopteridium strictinerve Font. Numerous fragments, some quite dis- 

 tinct. 



4. Angiopteridium strictinerve latifolium Font. A number of small fragments, 

 mostlj' quite poor. 



5. Dioonites Buchianus (Ett.) Born. Good and undoubted specimens occur 

 only in basal Horsetown beds. Doubtful fragments occur on other horizons of 

 the Horsetown and in the Knoxville beds. 



6. Dioonites Buchianus abietinus (Font.) Ward. Several undoubted speci- 

 mens were found only in the basal Horsetown beds. Doubtful fragments only were 

 found in the Knoxville beds. 



7. Zamites tenuinervis Font. Doubtful fragments occur in the KnoxvUle and 

 Horsetown strata, and one good leaf in the upper Horsetown beds. 



8. Cephalotaxopsis ramosa Font. ? A few quite perfect fragments. 



9. Nageiopsis longifolia Font.? All are doubtful fragments, which, in the 

 Knoxville beds, are not rare. Onlj^ one in the Horsetown beds. 



IV. In Knoxville, Horsetown, and base of the Chico: 



1. Cladophlebis Browniana (Dunk.) Sew. Numerous imperfect fragment^ 

 which are most common in the Knoxville beds. 



