1 53 
Tree (Ginkgo biloba, L.). 
Zimmermann, A., ’80 : Ueber das Transfusionsgewebe, Flora, 1880, p. 2. 
Zuccarini, J. G., ’40 : Beitrage zur Morphologic der Coniferen, Abh. Bay. Akad. 
Wiss., iii, p. 753. 
EXPLANATION OF FIGURES IN PLATES 
VIII, IX, AND X. 
Illustrating the paper by Mr. Seward and Miss Gowan on the Maidenhair Tree. 
PLATE VIII. 
Photograph of a water-colour painting of Ginkgo biloba , by a Chinese artist. 
(Photographed by Mr. Edwin Wilson from the original sketch in the possession 
of Mrs. Robb.) 
PLATE IX. 
Fig. 1. Abnormal female flower with five small ovules (nat. size). 
Figs. 2, 3. Abnormal female flower with three ovules and a bud b (nat. size). 
Fig. 4. Abnormal female flower; b , leaf-scar (nat. size). 
Fig. 5. Abnormal female flower (nat. size). 
Fig. 6. Female flower with two large ovules (nat. size). 
Fig. 7. Four pollen-sacs attached to one filament (slightly enlarged). 
Fig. 8. Male flower ; b , bract (nat. size). 
Fig. 9. A single stamen showing two open pollen-sacs (slightly enlarged). 
Fig. 10. A short shoot cut in half longitudinally, showing an irregularly ‘ discoid 
pith’ (slightly enlarged). 
Figs. n-23. Diagrams illustrating the position and number of vascular bundles 
in the abnormal flowers shown in Figs. 1-4. 
Figs. 24-27. Diagrams illustrating the connexion between the double leaf-trace 
and the stele of a long shoot of Ginkgo, s = group of secretory cells. 
Fig. 28. Part of a male flower of a fossil Ginkgo from the Inferior Oolite of 
Gristhorpe Bay, near Scarborough (slightly enlarged. Leckenby collection, 
Cambridge). 
Fig. 29. Ginkgo adiantoides from the Eocene leaf-beds of Mull (nat. size. 
British Museum). 
Fig. 30. Scolopendrium nigripes. Half of a leaf, showing the veins and sori 
(nat. size. Botanic Garden, Cambridge). 
Figs. 31-37. Scale-leaves and young foliage-leaf from the terminal bud of 
a long shoot (slightly enlarged). 
Fig. 38. Two small leaves borne on the stem of a seedling (slightly enlarged). 
Figs. 39-41. Scale-leaf and young foliage-leaves, h = hairs (slightly enlarged). 
Fig. 42. Branched short shoot (nat. size). 
Fig. 43. The endosperm of a fallen seed in median longitudinal section, 
a ~ archegonium ; a'- embryo (nat. size). 
