Anatomy of the Cohort Umbelliflorae. 
63 
Literature cited. 
1 . Engler and Gilg : Syllabus der Pflanzenfamilien. Siebente Auflage, Berlin, Verlag von 
Gebriider Borntraeger. 1912. 
2 . Bailey, I. W. : The Relation of the Leaf-trace to the Formation of Compound Rays in the 
Lower Dicotyledons. Ann. Bot., vol. xxv, No. cvii, Jan. 1911. 
2 a. Eames, A. J. : On the Origin of Herbaceous Type in the Angiosperms. Ann. Bot., vol. xxv, 
No. cvii, Jan. 1911. 
3 . Sertorius : Beitrage zur Kenntnis der Anatomie der Cornaceae. Bull, de l’Herbier Boissier, 
vol. i. 
4 . de Bary : Vergleichende Anatomie der Vegetationsorgane, p. 542. 
5 . Solereder : Systematic Anatomy of the Dicotyledons, vol. i, 1908, p. 432. 
6. Baillon : Adansonia, vol. iii, 1863, p. 83. 
7 . —-: Histoire des plantes, vol. vii, 1880, p. 168. 
8. Van Tieghem : Annales des Sciences Naturelles, Bot., vol. vii, ser. r, 1885, p. 27. 
9 . Burck : Annales du Jardin botanique de Buitenzorg, vol. vi, p. 154. 
10. Hemenway, Ansel F.: Studies of the Phloem of the Juglandaceae. Bot. Gaz., vol. li, No. 2, 
1912. 
DESCRIPTION OF FIGURES IN PLATES IV AND V. 
Illustrating Mr. Hoar’s paper on Stem Anatomy of the Cohort Umbelliflorae. 
PLATE IV. 
Fig. 1. Cornus sanguined. Transverse section of stem, showing diffuse parenchyma, x 100. 
Fig. 2. Cornus sanguined. Radial section of stem, showing diffuse parenchyma and scalariform 
vessel, x 250. 
Fig. 3. Nyssa sylvatica. Transverse section of stem, showing diffuse parenchyma, x 250. 
Fig. 4. Nyssa sylvatica. Transverse section of stem, showing diffuse parenchyma, x 400. 
Fig. 5. Nyssa sylvatica. Radial section of stem, showing diffuse parenchyma and scalariform 
vessels, x 250. 
Fig. 6. Davidia involucrata. Radial section of stem, showing diffuse parenchyma and scalari¬ 
form vessels, x 250. 
Fig. 7. Griselinia lucida. Radial section of stem, showing diffuse parenchyma, x 250. 
Fig. 8. Griselinia lucida. Transverse section of root, showing tylosis of vessels, x 250. 
Fig. 9. Griselinia lucida. Radial section of root, showing diffuse parenchyma not noticed in 
transverse section, x 250. 
Fig. 10. Shefflera sp. Transverse section of stem, showing vasicentric parenchyma, x 250. 
Fig. ti. Schefflera sp. Radial section of stem, showing parenchyma clustered over vessels, 
x 250. 
Fig. 12. Scheffiera sp. Tangential section of stem, showing vasicentric parenchyma and also 
septate tracheides. x 250. 
PLATE V. 
Fig. 13. Acanthopanax senticosus. Tangential section of stem, showing vasicentric parenchyma 
and vessel with simple elliptical pore placed obliquely to lateral walls, x 250. 
Fig. 14. Cicuta bulbifera. Transverse section of stem, showing terminal walls of vasicentric 
parenchyma, x 250. 
Fig. 15. Cicuta bulbifera. Radial section of stem, showing vasicentric parenchyma and vessel 
with simple terminal pore. x 250. 
Fig. 16. Cicuta bulbifera. Tangential section of stem, showing vasicentric parenchyma and 
vessel with simple round pore in end wall, x 250. 
Fig. 17. Juglans nigra. Transverse section of stem, showing example of diffuse parenchyma, 
x 250. 
Fig. 18. Fraxinus americana. Transverse section of stem, showing example of vasicentric 
parenchyma, x 230, 
