6oo 
Sinnott and Bailey. — Herbaceous Angiosperms. 
6. Gray, A. : Scientific Papers, vol. ii. 
7 . Guppy, H. B. : A Naturalist in the Pacific. 
8. Hallier, H. : Ein zweiter Entwurf des natiirlichen (phyldgenetischen) Systems der Bliiten- 
pflanzen. Ber. d. Bot. Gesellsch., 23, 1905. 
9. Heer, O. : Flora Fossilis Arctica, vol. i. 
10 . : Recherches sur le climat et la vegetation du pays tertiaire. 
11 . Hutton, F. W. : Ancient Antarctica. Nature, vol. Ixxii, July 13, 1905. 
12 . Jeffrey, E. C. : The Relations of Palaeobotany to Botany-Morphology. Amer. Nat., 
vol. xlvi, 1912. 
13 . Macloskie, G. : Report on the Princeton Expedition to Patagonia : Botany, vol. ii. 
14 . Wallace, A. R. : Island Life. 
15 . Wolf, T. : Monographic der Gattung Potentilla . 
EXPLANATION OF PLATES XXXIX AND XL. 
Illustrating Messrs*. Sinnott and Bailey’s Paper on Herbaceous Angiosperms. 
PLATE XXXIX. 
Fig. 1. Arctotis grandis. Section of semi-decumbent herbaceous stem. Below is a stout zone 
of wood with wide rays ; above, a many-bundled herbaceous structure. The wide rays in the former 
have given place to the interfascicular parenchyma in the latter, x 7. 
Fig. 2. Fagus Americana. First annual ring, showing essentially ‘herbaceous’ structure, x 20. 
Fig. 3. Guttiferae. Hypericum aureum , shrubby species, first annual ring, x 20. 
Fig. 4. Guttiferae. Hypericum perforatum , herbaceous species, mature stem, x 16. 
Fig. 5. Solanaceae. Nicotiana glauca , shrubby species, first annual ring, x 9. 
Fig. 6. Solanaceae. Nicotiana tabacum, herbaceous species, mature stem, x 9. 
' Fig. 7. Salvia sp. Section of herbaceous stem showing conversion of interfascicular segments of 
wood into vertical parenchyma. It will be noted that the segments opposite the protoxylem have 
retained their typical woody structure. x 18. 
Fig. 8. Malvaceae. Hibiscus rosa sinensis, shrubby species, first annual ring, x 16. 
Fig. 9. Malvaceae. Abutilon (herbaceous species), mature stem, x 14. 
Fig. 10. Rosaceae. Rosa rugosa, shrub, first annual ring, x 8. 
Fig. 11. Rosaceae. Sanguisorba , herb, mature stem, x 15. 
Fig. 12. Ranunculaceae. Xanthorrhiza apiifolia, shrub, first annual ring, x 30. 
PLATE XL. 
Fig. 13. Ranunculaceae. Delphinium for mo sum, herb, mature stem, x 16. 
Fig. 14. Araliaceae. Acanthopanax ricinifolium , tree, first annual ring, x 8. 
Fig. 15. Umbelliferae. Slum cicutifolium , herb, mature stem, x 9. 
Fig. 16. Compositae. Senecio Grayii , shrubby species, first annual ring, x 14. 
Fig. 17. Compositae. Solidago rugosa , herbaceous species, mature stem, x 30. 
Fig. 18. Clematis virginiana. Section of typical climbing stem, x 14. 
