Plaat XIII
Table XIII
Afb. 17. Iepenhout. 40 ×.
Dwarsdoorsnede. Ongekleurd praeparaat.
(Vgl. Brief. 54, aant. 85, blz. 166.)
Ill. 17. Elmwood. × 40.
Transverse section. Unstained preparation.
(See Letter 54, note 33, p. 167.)
Afb. 18. Iepenhout. 40 ×.
Tangentiale doorsnede. Ongekleurd praeparaat.
(Vgl. Brief 54, aant. 90, blz. 166.)
Ill. 18. Elmwood. × 40.
Tangential section. Unstained preparation.
(See Letter 54, note 35, p. 167.)