352 
ILLUSTRATIONS. 
Plate XIV. 
FORMS OF SECRETION HAIRS. 
Fig. 82. — Corkscrew-like hair from the inner surface of the 
spurred corolla of lavender. 
Fig. 83. — Longitudinal section of rhizome of Dryopteris marginalia 
showing large intercellular space and an internal oil- 
secretion hair. 
Fig. 84. — Hairs from stramonium leaf. 
Fig. 85. — Hairs from digitalis. 
Fig. 86. — Hair from sage. 
Fig. 87.— I.arge multicellular secretion hair from achene of hu- 
mulus, the shaded portion showing the distended 
cuticle with oil. 
Fig. 8'. — Hair from eriodictyon. 
Fig. 89.— Hairs from inner walls of pericarp of vanilla. 
Fig. 90. — Hair from cannabis indica. 
Fig. 91. — Hairs from surface of fruit of Rhus glabra. 
Fig. 92.— Hairs from belladonna leaf. 
