LIST OF ILLUSTRATIONS 



FIG. PAGE. 



1. Chondrus crispus 78 



2. Claviceps purpurea (Bachs) 80 



3. Portion of Horn-shaped Sclerotium of Claviceps purpurea, Bearing Four- 



stalked Receptacles 80 



4. Longitudinal Section of a Receptacle, Magnified, Showing the Perithecia . 80 



5. A Single Perithecium of Claviceps purpurea, Magnified, Showing the Con- 



tained Asci 80 



6. Asci Containing the Long, Slender Ascospores 80 



7. Section of Thallus of Cetraria islandica through an Apothecium 83 



8. Cetraria islandica 83 



9. Dryopteris filix-mas Plant and Section through Spore Case 85 



10. Aspidium Rhizome 86 



1 1 . Spores of Lycopodium, as Seen from the Top and Bottom of the Spore ... 87 



12. Lupulin a Gland Viewed in Profile and Viewed Obliquely 87 



13. Pollen of Pine 87 



14. Berry (galbulus) and Acicular Leaves of Juniper 88 



15. Cone of the Larch 88 



16. Spikelet of the Oat (Avena saliva) 96 



17. Triticum vulgar e Plant and Flowers (enlarged) 96 



18. Agropyrum repens 97 



19. Cross-section of Couch-grass 97 



20-25. Starches 100 



26. Sabal Fruit 102 



27. Acorus calamus , 103 



28. Smilax officinalis Portion of Vine and Rhizome 106 



29. Honduras Sarsaparilla Cross-section of Root 108 



30. Jamaica Sarsaparilla Cross-section of Root , 108 



31. Mexican Sarsaparilla Cross-section of Root 108 



32. Veratrum viride Branch and Rhizome no 



33. Veratrum viride Cross-section of Rhizome in 



34. Allium Bulb and Cross-section 112 



35. Urginea scilla 113 



36. Colchicum autumnale 1 16 



37. Cross-section of Colchicum Root Outer Portion 116 



38. Crocus sativus Plant, Flower, and Stigma 121 



39. Zingiber officinale 123 



40. Cross-section of Ginger 124 



41. Jamaica Ginger Showing Lobes of Rhizome. 124 



42. Chinese Ginger 125 



43. African Ginger 125 



44. Curcuma longa 125 



45. Curcuma longa Cross-section of the Rhizome 126 



46. Cardamomufti 127 



47. Cypripedium Leaf and Flower 129 



48. Cypripedium Cross-section of Rhizome 129 



xiii 



