— 49 — 



— Species fere 400 ; fere totis orbis expansse. Inter eas 20 in Corea 

 sponte crescent. 



(Caulis fiorifer annuus e rhizomate repente evolutus, Flores 



1 ■) hermaphroditi. Stipulae persistentes. . . Sbg. Cylactis, Focke. 



^Rami fioriferi e caulibus vetustis evoluti 2. 



[Stipulae deciduae. Caulis repens v. scandens 



2 j Sbg. Malachobatus, Focke 



'-Stipulae persistentes. . . .Sbg. Idaaobatus, Focke 3. 



f Folia simplicia 4. 



'Folia pinna tim 3-7 foliolata 5. 



''Calyx basi articulatus, ita fructus cum calyce deciduus 



Sect. Villosi, Nakai. 



4i 



Calyx basi inarticulatus, ita fructus e calyce et carpophoro 



sejunctus Sect. Crataegifolii, Nakai. 



t Flores solitarii v. pauci. Folia pinnata 6. 



' Infiorescentia multiflora Sect. Idaeanthi, Focke. . . .7. 



Carpophora stipitata Sect. Rosaefolii, Focke 



Carpophora non stipitata Sect. Pungentes, Focke. 



(Petala incumbentia, vulgo rosei Series Nivei, Focke. 



7 l 

 'Petala erecta v. patentia, vulgo albi. . . .Series Eu-Idaei, Focke. 



Subgn. Cylactis, Focke 



in Abh. Nat. Ver. Bremen IV. (1874) p. 142 p. 146 et in Biblio- 

 theca Bot. XVII (1910) p. 23. 



Cylactis, Rafinesque in Sillim. Journ. I. (1819) p. 377. 



Herbaceae v. suffruticosae. Caules annui e rhizomate v. e radiei- 

 bus repentibus evoluti, inermes v. aculeolati. Stipulae liberae v. imo 



