Fig. 4M.—Cnrylus Avcllana. 1, A flowering branch. ; 2, a Fig. 445. — Carpinus Betulus. 1, Flowering branch ; 2, a male 



male flower; 3,astamen; 4, a female flower cut through flower; 3, stamens; 4, female flowers; 5, a female flower 



longitudinally ; 5, fruit with cupule ; 6, fruit without isolated. (After Wossidlo.) 

 cupule; 7, a foliage-leaf. (After Wossidlo.) 



Fig. 446.— Alnus glutinosa. 1, Branch with male (a) and Fig. 447. — Betula alba. 1, Branch with male (a) and female (&) 



female (b) inflorescences ; 2, male flowers ; 3, female in- inflorescences ; 2, bract with three male flowers ; 3, bract 



florescence ; 4, two female flowers ; 5, infructescence ; with three female flowers ; 4, infructesceuce ; 5, fruit. 



6 fruit. (After Wossidlo.) (After Wossidlo.) 



