Sayre 1917

Fig. 90. Podophyllum. Cross-section of rootlet.

Fig. 91. Podophyllum in powder.

Fig. 92. Berberis. Cross-section of rhizome.

Fig. 93. Cinnamomum zeylanicum.

Fig. 94. Ceylon cinnamon - Cross-section of bark.

Fig. 95. Cassia cinnamon.

Fig. 96. Cinnamomum cassia.

Fig. 97. Saigon cinnamon - Cross-section of bark.

Fig. 98. Sassafras - Cross-section of bark.

Fig. 99. Cinnamomum camphora.