ALDER (Aluus (jhuinosa) 



A. Immature male catkins. B. Mature mrilo catkins. C. Female flowers. D. Female clusters of last year, after shedding 



seeds. E. Female clusters of present year. F. Scale with two female Dowers. 0. Male flowers. 



//. Section of cone, showing insertion of seeds. /. Seed. 



ri.ATt; LV. 



