76 Mr. Kippist on the existence of Spiral Cells in the Seeds of Acanthaceae. 



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 molluginifolia, Juss. 



5. Portion of a single tube of the same. 



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



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



8. Hair of Ruellia dulcis, Cav. 



9. Ditto of Raphidospora glabra, Nees. 



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



11. Ditto ditto of Nelsonia tomentosa, Dietr. 



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



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



The figures are all highly magnified. 



