374 



NATURAL HISTORY OF PLANTS. 



IV. SPIR^A SERIES. 



Spircea} (figs. 439-441) has regular polygamo-dioecious, or more 

 frequently hermaphrodite fiowers. In the woody species with per- 

 fect riowers, largely cultivated in our gardens, such as S. lanccolata^ 

 we find a flattened cup-shaped receptacle, lined with glandular tissue, 



Spireea lanccolata. 



and bearing on its edges the periantli and androceuni ; while the 

 gynajceum is inserted right at the bottom. The calyx consists of 

 five valvate sepals, and the corolla of as many alternating sessile im- 

 bricated or contorted petals. The stamens are twenty in number, 

 arnuiged in three whorls. Five are superposed to the sej)als, live to 



' Splrfia T.. Inxfif., 018, t. 389.— L., Oen., 

 n. 63(1. -Adans., F<im. ih-n PL, ii. 21)5.— J., 

 Gen., :J3{).— 0*:ktn., Frurt., i. 337, t. 09.— 

 Lamk.. Dirf., vii. 318; Siiiipl., v. 221; ///., t. 

 ■139. — Camhkhh.. Moiioi/r. ilu (}. Spiriia, Ann. Sc. 

 J\a/.,»('r.l,i.22t,t. ir> 17.2r. 27.- Sku„ in DC, 

 Prodr.,\\.'A\. — S|'A( ll. Suit. a liuff'on,]. \M). — 

 Endi,., </en., n. 0391. — Payek, Or/jnno//., m^, 

 t. cii.— H. H., Gin., Oil. n. IH.— fr/maria T.. 

 nj^.cil., 265, t. 141. — FiliyeudulaT., op. rif.. 



293, t. 150. — Barla Cnprcr T., op. rif., 205, 

 t. 111. — Eriiujifnn HooK., Fl. Bor.-Amrr., i. 

 255, t. 88. — Luetkea Ho.Mi., Mem. Acad. !S.- 

 Pflcrsh., vi. »i'r. ii. 130, t. 2.— Endi.., Gen., n. 

 .1(130. 



- PoiK., Diet., vii. 351, n. 15. — Sbh., Prodr., 

 n. 7. — .S'. rantonirttjiis LofH., Fl. Corh., 322 

 (ex (;amuk88., loc.cit., 360, t. 26).— A'. if«ere*» 

 I.INUI.. 



