BOTANICAL INDEX. 



217 



Pinnatifid, 32. 



Pistil, 39, 44, 49. 



Pith, 22. 



Placenta, 4, 5, 45, 55. 



Plumule, 3, 4, 5, 6, 7. 



Pod, 5, 54. 



Pollen, 42, 47. 



Polyadelphia, 63. 



Polyandria, 63. 



Polyandrous, 39. 



Polygamia, 64. 



Polygamous, 46. 



Polyhedral, 8. 



Polypetalous, 41. 



Polysepalous, 39, 40. 



Pome, 53. 



Pores, 12, 52. 



Porous, 52. 



Preservation of plant specimens, 70. 



Primary axis, 34. 



Primary veins, 29. 



Prosenchyma, 8, 9, 10. 



Protoplasm, 8. 



Putamen, 53. 



Pyrenes, 53. 



R, 



Raceme, 35. 

 R.aces, 66, 67, 

 Radical, 26. 

 Radicle, 3, 4, 5, 6, 7, 

 Ramose, 26, 

 Raphe, 4. 

 Raphides, 10. 

 Reniform, 30, 31, 33. 

 Reproductive organs, 39, 

 Respiration, 25, 

 Reticulate, 29. 

 Retroserrate, 26. 

 Rhizome, 15, 17, 58, 

 Rhomboid, 30, 31. 

 Rings, 22. 



Rootlet, 7. 

 Roots, 14, 15. 

 Rosaceous, 41. 

 Runners, 19. 



S. 



Sagittate, 30, 31. 

 Samara, 53. 

 Sap, 13. 

 Sarcocarp^5i. 

 Scabrous, 29. 

 Scalariform, II. 

 Scales, 17, 55. 

 Scaly bulb, 15, 17. 

 Scape, 35. 

 Scapose raceme, 35. 

 Scar, 4. 



Secondary veins, 29. 

 Secund, 38. 

 Seed leaf, 3. 

 Sensitive, 28. 

 vSepals, 40. 

 Serrate, 26. 

 Sessile, 26, 42. 

 Setose, 29. 

 Sheathed leaf, 26. 

 Shrub, 19. 

 Silicula, 54. 

 Siliqua, 54, 

 Simple fruits, 50. 

 Simple leaves, 27. 

 Single flowers, 33. 

 Sinuate, 30, 31. 

 Soboles, 15, 17. 

 Solid stems; 19. 

 Sori, 58. 

 Sorus, 58. 

 Spadix, 35. 

 Spathe, 35. 

 Spathulate, 31, 32. 

 Species, 66. 

 Spheres, 17. 



