Bo20/1, Pteris sp., enlarged 300 times. After Prof. Dr. W. Jung. Showing the pointed growth resulting from an apical cell with the cells which branch out spirally from the point of vegetation.
Root shown in longitudinal and transverse section, detachable, crown of the root removable.
Altogether 3 parts.
On a base with explanatory key.
Height: 45 cm., width: 26 cm., depth: 39 cm., weight: 4.4 kg.
BO20/1
Root shown in longitudinal and transverse section, detachable, crown of the root removable.
Altogether 3 parts.
On a base with explanatory key.
Height: 45 cm., width: 26 cm., depth: 39 cm., weight: 4.4 kg.
BO20/1
Eigenschappen
- BO 20/1/SOM