Plate IX 



PLATE IX 



Fig-ure 48. — Surface view of cells from epidermis of root, showing- 

 root hairs developing; from the trichoblasts, x 210. 



Figure 49.— Rhachis with the two flowers; showing arrangement 

 in the adult condition, x 12. 



Fig-ure 50. — Rhachis and 3'oung flowers ; showing arrangement in 

 young stage, x 30. 



Figure 51. — Longitudinal section through nearly mature rhachis and 

 flowers. X 20. 



Figure SS.^Very young floral primordia. Stippled portions repres- 

 ent regions Avhich will develop the flowers, x 210. 



Figure 53. — Slightly older floral primordia. Stippled portions rep- 

 resent regions which will develop the flowers, x 210. 



Figure 54. — Older floral primordia. Floral scale leaf appearing. 

 X 210. 



Figures 55 and 56. — Successivel3'- older stages in floral develop- 

 ment. In flgure 56 the primordia of pistils and stamens appear 



