SR aE SO ee 
PLATE 28 
Woop FIBRES 
1. White sandalwood (Santalum album, 1) 
2. Quassia wood (Picrena excelsa, [Swartz] Lindl.). 
3. Logwood with crystals (Hematoxylon campechianum, US) 
4. Black haw root (Viburnum prunifolium, L.). 
