F. H. Knowlton — Jurassic Flora of Oregon. 45 



Podozamites pidchellus Heer, 1, 2, 3. 



" pachi/phyUiis Font., 2, 3. 



" lanceolatiis L. & H., 1, 2, 3, 7. 



" " latifolhts (Brongn.) Heer, 1, 4, 7. 



" " minor (Sch.) Heer, 1, 4, 5. 



" sp., Kn., 4. 



" ? pachynervis Font., 1. 

 Otozamites oregoriensis Font., 4. , 



Encei^halartopsis ? oregonensis Font., 2. 

 Ci/cadeospernimn oregonense Font., 1. 



" ovatum Font., 1. 



Willi amsonia oregonensis Font., 1. 



" ? sp., Font., 1. 



" f sp.. Font., 3. 



Ginkgo digitata (Brongn.) Heer, 1, 3. 



" Huttoni (Sternb.) Heer, 1, 3. 



" " magnifolia Font., 1, 2, 3. 



" lepida Heer, 1, 2, 3. 



" siberica Heer, 1, 3. 



" sp., Font., 1, 3. 

 Jiaiera midtijida Font., 7. 

 Phcenicopsis? sp., Font., 1. 

 Tdxites zcDiiioides (Leek.) Sew., 1, 2, 3, 4, 5. 

 Jirachy^ohyllum rnaniillare Brongn., 1. 

 Pagiophyllum Williamsonis (Brongn.) Font., 7. 



" falcatum Font., 5 ? 



Araiicarites sp.. Font., 1. 

 Pinus JVordenskioldi Heei', 1, 3, 7. 

 Sequoia Peichenbachi (Gein.) Heer, 6. 

 Gydopitys oregonensis Font., 1, 6. 

 Sphenolepidium oregone)ise Font., 1, 2, 3, 5. 

 Samaropsisf oregonensis Yont., 1. 

 Leptostrobusf sp., Font., 7. 

 Yuccites hetlangensis Sap., 1, 5 '? 

 Undetermined leaf No. 1,1. 



cc «i a 9 -1 



-, 1. 



Carpolithus Storrsii Font., 7, 

 " olallensis Ward, 1. 



" BucJdandii Will., 1. 



" oregonensis Font., 1,2. 



" elongatus Font., 1. 



" douglasensis Font., 3. 



Discussion of the Distribution and Affinity of the 

 Jurassic Flora. 



Aside from furnishing a complete list of the forms thus far 

 known from the Jurassic of Oregon and California, the above 

 table brings out graphically a number of interesting points, 

 perhaps the most important of which is the close interrelation 



