Plate XXII.
202-203. Ehretia aspera.
202. T. S. of the leaf.
Oc. 6 Com.; Ob. 8 mm. Ap.
203. T. S. of the axis.
Oc. 4 Com.; Ob. 8 mm. Ap.
204. Heliotropium supinum.
Hair on the leaf.
Oc. 2 Com.; Ob. 3 mm, Ap.
205-211. Heliotropium rariflorum.
205. T. S. of the leaf.
Oc. 4 Com.; Ob. 8 mm. Ap.
206 207 208 209 Hair on the leaf in different stages of development.
Oc. 4 Com.; Ob. 8. mm. Ap.
210. T. S. of the leaf showing epidermis, stomata and cystolith-like structures.
Oc. 4 Com.; Ob. 8 mm. Ap.
211. T. S. of the axis.
Oc. 6 Com.; Ob. 8 mm. Ap.
212-214. Heliotropium undulatum.
212. T. S. of the leaf.
Oc. 6. Com.; Ob. 8 mm. Ap.
213. Hair on the leaf.
Oc. 8 Com.; Ob. 8 mm. Ap.
214. T. S. of the axis.
Oc. 4 Com.; Ob. 8 mm. Ap.
N.B.—To get the original dimensions multiply by 1·7.
