XLVIT. EHAMNACE^. 



I. THE BUCKTHOKN SERIES. 



The flowers of the Buckthorns 1 (fig. 39-43) are regular and 

 hermaphrodite or polygamo-dicecious. The concave receptacle has the 



lilianuius cathartica. 



Fig. 40. Longitudinal section 

 of male flower (|). 



Fig. 39. Fructiferous branch. Fig. 41. Diagram. 



form of a deep cup or horn, lined with a thin layer of glandulous 

 tissue, representing the disk, the hottom of which is occupied by 

 the gynœcium, while its margin bears the perianth and andrœcium. 

 The sepals, four (fig. 42) or five (fig. 40, 41) in number, are 



1 Mamma T. Inst. 593, t. 366.— L. Gen. 

 n. 265 (part.).— Adans. Fatn. des PI. ii. 305.— 

 J. Gen. 380.— Gtertn. Fruct. ii. 110.— Lamk. 

 III. t. 128.— Pom. Diet. iv. 461 ; Suppl. iv. 88. 

 DC. Prodr. ii. 23,— Ad. Br. Mém. sur la Fam. 



des Sham». (1826), 53, t. 2.— Tuitr. Diet. Sc. 

 Nat. Atl. t. 270.— Spach, Suit, à Bnffon. ii. 447. 

 — Endl. Gm. n. 5722.— Payee, Organog. 490, 

 t. 97.— A. Gray, Gen. III. t. 168.— B. H. Gen. 

 377, 998, n. 10.— H. Bn. Payer Fam. Nat. 327. 



