76 Mr. KipPiST on the existence of Spiral Cells in the Seeds of Acanthacese. 



Fig. 3. Portions of similar tubes, from the seed of an authentic specimen of A. spicatum, 

 Delile. 



4. Fasciculate hair, from the testa of Blepharis moUuginifolia, Juss. 



5. Portion of a single tube of the same. 



6. Hairs from the testa oi Ruellia formosa, Andr. 



7. Part of the membranous border of Blechum Brownei, Juss. 



8. Hair of Ruellia dulcis, Cav. 



9. Ditto of Raphidospora glabra, Nees. 



10. Portion of the testa of Diclipfera Roxburghiana, Nees. 



11. Ditto ditto oi Nelsonia tomentosa, Dietr. 



12. Portion of the testa oi Rostellaria Vahlii, Nees. 



13. Single tubercle from the testa of Gendarussa orixensis, Nees. 



The figures are all highly magnified. 



