Plaat XVII
Table XVII
Afb. 21. Wilgenhout. 40 ×.
Dwarsdoorsnede. Ongekleurd praeparaat.
(Vgl. Brief 54, aant. 103, blz. 170.)
Ill. 21. Willow-wood. × 40.
Transverse section. Unstained preparation.
(See Letter 54, p. 171.)
Afb. 22. Wilgenhout. 150 ×.
Tangentiale doorsnede. Saffraninekleuring.
Stippeling der vaten.
(Vgl. Brief 54, aant. 106, blz. 170.)
Ill. 22. Willow-wood. × 150.
Tangential section. Safranine staining.
Pitted vessels.
(See Letter 54, note 40, p. 171.)