350 
ILL VSTRA TIO NS. 
Plate XIII. 
FORMS OF NON-SECRETION HAIRS. 
Fiji. 72. — Twisted hairs from under surface of leaf of eriodictyon. 
Fig. 73. — Lignified hairs from the epidermis of nux vomica. 
Fig. 74. — Branching hairs from the leaf of Verbascum thapsus. 
Fig. 75. — Hair from the epidermis of strophanthus. 
fig. 70. — Non-secretion hairs from the capsule of M allot us Philip- 
pinensis (found in the drug known as kamala). 
Fig. 77. — Hairs from leaf of digitalis. 
Fig. 78. — A hair from the under surface of the leaf of senna. 
Fig. 79. — Hairs from the leaves and bracts of cannabis indica, two 
of them containing cystoliths of calcium carbonate. 
Fig. 80. — Two forms of hairs from sage leaf. 
Fig. 81. — Two forms of hairs from the leaves of absinthium, a 
T-non-secretion hair and a small secretion hair. 
