136 MISS M. E. J. CHAJTDLETt ON THE [vol. lxxix,. 



(66) 1908. 'The Preglacial Flora of Britain' Linn. Soc. Journ. (Botany) 



vol. xxxviii, p. 206 & pi. xv, figs. 148-149. C. & E. M. Reid. 



(67) 1909. ' Bidrag til Danmarks Tertiare & Diluviale Flora ' Danmarks Geol. 



Undersog. ser. 2, no. 20. N. Haetz. 



(68) 1910. 'The Lignite of Bovey Tracey (Devonshire)' Phil. Trans. Roy. Soc. 



vol. cci, p. 172. C. & E. M. Reid. 



(69) 1911. 'Einige Beobachtungen im Tertiar& Diluvium des Westlichen Nieder- 



rheingebietes ' Jahrb. k. Preuss. Geol. Landesanst. vol. xxxii, p. 149. 

 P. G. Kbause. 



(70) 1921. ' Lehrbuch der Palaobotanik ' W. Gothan's new edition, p. 383. 



H. Potonie. 



(71) 1920. ' Recherches sur quelques Graines Pliocenes de Pont-de-Gail (Cantal) ' 



Bull. Soc. Geol. France, ser. 4, vol. xx, pp. 48-87. E. M. Reid. 



(72) 1920. ' Ueber Hessische Fossile Pflanzenreste' Jahrb. Preuss. Geol. Landes- 



anst. vol. xli, p. 360 & pi. xv, figs. 11-13. P. Menzee. 



(73) 1921. ' Die Erforschung der Teiiiaren Pflanzenwelt ' Senckenbergiana, vol. iii, 



p. 87. R. Ke^usel. 



EXPLANATION OF PLATES V & VI. 

 Plate V. 



[Figs. 1-23 exteriors, 24-31 interiors of the seeds ; 

 c = chalaza; h = hilum; k=keel ; m = micropyle ; t=tegmen ; x= raphe.] 

 Fig. 1. Stratiotes headonensis, Lower Headon, Hordle. X 7. (See p. 125.) 

 2. Stratiotes headonensis, Lower Headon, Hordle. X 5. 

 . 3. Stratiotes headonensis, Lower Headon, Colwell Bay (Isle of Wight).. 

 X5. 



4. Stratiotes neglectus, Bembridge Marls, Hamstead Ledge (Isle of 



Wight). X 4. (See p. 126.) 



5. Stratiotes acuticostatus, Hamstead Beds, Bouldnor Cliff (Isle of Wight).. 



X 4-5. (See p. 127.) 



6. Stratiotes acuticostatus, Hamstead Beds, Bouldnor Cliff (Isle of Wight). 



X 3-5. 



7. Stratiotes websteri, Hamstead Beds, Hamstead (Isle of Wight). X 5. 



8. Stratiotes websteri, dorsal view, Hamstead Beds, Hamstead (Isle of 



Wight). X 5. (See p. 128.) 



9. Stratiotes websteri, base, Hamstead Beds. Hamstead (Isle of Wight). 



X5. 



10. Stratiotes websteri, Lignite, Bovey Tracey (Devon). X 2. 



11. Stratiotes icebsteri, Lignite, Bovey Tracey (Devon). X 4. 



12. Stratiotes websteri, Cyrena Marls, Offenbach-am-Main. X 4"5. 



13. Stratiotes thalictroides, Calcaire de Beauce, Longjumeau (cast). X 4. 



(See p, 129.) 



14. Stratiotes thalictroides, Calcaire de Beauce, Longjumeau (cast). X4. 



15. Stratiotes kaltennordheimensis, Kaltennordheim. X 4. (See p. 130.) 



16. Stratiotes tubercidakis, lignite, Pont-de-Gail, Lower Pliocene. X 3*5. 



17. Stratiotes hiberculatus, ventral view, lignite, Pont-de-Gail, Lower 



Pliocene. X 3-5. (See p. 131.) 



18. Stratiotes intermedins, Preglacial, Eime, near Hanover. X 3. 



19. Stratiotes intermedins, ventral view, Preglacial, Eime, near Hanover. 



X 3. (See p. 132.) 



20. Stratiotes aloides, Cromer Forest-Bed, Beeston. X 3 - 5. (See p. 133.) 



21. Stratiotes aloides, Pleistocene, Klinge, near Cottbus. X 3*5. 



22. Stratiotes aloides, Pleistocene, Klinge, near Cottbus. X 3'5. 



23. Stratiotes aloides, recent. X 3*5. 



24. Stratiotes headonensis, Lower Headon, Hordle. X 7. 



25. Stratiotes heado7iensis. Lower Headon, Hordle. X 5. 



26. Stratiotes headonensis, Lower Headon, Colwell Bay (Isle of Wight). 



X 5. (See p. 125.) 



27. Stratiotes neglectus, Bembridge Marls, Hamstead Ledge (Isle of 



Wight). X 4. (See p. 126.) 



