art CONTEXTS. 



Figure 9. Formation of Pollen Grains, Funkiaovata Phite I 



" 1O. Stamen Hairs of Tradesc-antia, I 



" 11. Section of Potato Tuber II 



" IS. Various Forms of Parenchyma Cells II 



" 13. Sclerenchyma cells from Dahlia Root 1 1 1 



" 14. Resin Duct from Pinus Ill 



" 15. Section of Lemon Peel Ill 



" 16. Longisection of Hoot, Cypripcdium pubescem IV 



" 17. Transection of Hoot, Cuprlpedium pultesccm V 



" 18. Collateral Bundle from the Stem of liiyonia VI 



" 19. Collateral Bundle from the Stem of Corn VII 



" 20. Bicollateral Bundle from the Stem of Cucurtntu.... VIII 



" 21. Transection of Root, Spiranthes ccrnua IX 



" 22. Radial Bundle, Root of Spiranthcx cernua IX 



" 23. Transection of Pterls stem. Concentric bundle X 



" 24. Trichomes from Shepherdia Canadenste XI 



" 25. Trichomes, Nettle and Geranium XII 



" 26. Stomates from the Leaves of Cyca* and Finns X 1 1 1 



" 27. Transection of Stem, Moon Seed Vine XIV 



" 28. Transection of Stem, Smttax fowpida XV 



