- Apocynum cannabinum. Apocynum androsaemifolium.
- Asclepias cornuti.
- Bark of the root Rhus aromatica, Aiton.
- Cananga odorata, Hook. fil.
- False Jaborandi. Apex and transverse section.
- False senega root: transverse and longitudinal section to center.
- Fig. 1. - Sponge (one-half natural size) attached to rock.
- Fig. 2. - Living sponges.
- Fig. 3. - Spicules of various forms.
- Illicium religiosum. Illicium anisatum.
- Jaborandi leaves. Apex and transverse section.
- Leaves of Rhus aromatica, Aiton.
- Rubus villosus (Blackberry).
- Rubus villosus. Bark of the root.
- Rubus villosus. Bark of the root.
- Sanguinaria canadensis, Fig. 1-3, 5, A-B.
- Sanguinaria canadensis, Fig. 4.
- Senega root: transverse and longitudinal section to center.
- Silphium root, Fig. B: Longitudinal section of root.
- Silphium root, Figs. A, C, and D.
The Pics.
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