Hydrocotyle 



UMBELLIFERAE 



Sanicula 



CC 



J. Involucre and involucel wanting 13. 

 JJ. Involucre and involucel present. 

 Fr. ribs corky: plants of 

 marshes or stream banks. 

 Calyx teeth conspicuous, 

 persistent on fr.: styles 

 slender erect persistent 14. 

 Calyx teeth obsolete: styles 

 short reflexed, not per- 

 sistent 15. 



Fr. ribs or some of them 

 narrowly thin-winged: 



plants of usually drier 



situations 16. 



II. Fr. smooth, the ribs inconspicuous. 

 Bractlets nearly equaling the fr.: 



petals obovate 17. 



Bractlets much shorter than the 

 fr.: petals oblong to oval.... 18. 

 Fr. strongly flattened dorsally, the lateral ribs prominently 

 winged. 



K. Plants annual: fr. small (up to 3 mm. long) 19. 



KK. Plants perennial (or biennial): fr. larger (usually 5-10 mm. 

 long). 



L. Marginal fls. radiant 20. 



LL. Fls. all regular. 



Fr. wings broad and membranous. 



Fls. yellow: involucel wanting 21. 



Fls. white or red to purple; involucel present. . 22. 

 Fr. wings narrow and corky-thickened 23. 



Apium 



Oenanthe 

 Slum 



Ligusticum 



Tongoloa 

 Changium 



Cnidium 



Heracleum 



Pastinaca 



Angelica 

 Peucedanum 



1. Hydrocotyle Linn. Water Cup S^HII (Shih Hu Sui Shu) 



Prostrate perennial marsh or aquatic herbs: Ivs. simple, palmately lobed or peltate, 

 with scale-like stipules: fls. white, in small axillary subcapitate simple umbels; calyx 

 teeth none or very small; petals entire, acute: fr. laterally compressed; carpels with 

 5 primary ribs. About 100 species of warm-temperate regions, chiefly of the southern 

 hemisphere but widely distributed; 7 in China. (Greek: hydro, water; and cotyle, a 

 flat cup. The peltate leaves of some species are cup-shaped.) 



1. Hydrocotyle sibthorpoides Lam. (H. rotundifolia Roxb.) Asiatic Pennywort ^j 

 i$f| (Shih Hu Sui; Rock Caraway) (M.F. 360; M.E. 3:237). Prostrate herb; fls. 

 VI; fr. VIII. Asia, widely introduced in tropical and subtropical regions; locally 

 in An., Ki., Ku. Wet places. Fig. 271. 



2. Sanicula Linn. Sanicle ^JlL^It (Pien Tou Ts'ai Shu) 

 Erect perennial or biennial glabrous herbs with 3- (ours) 1-cleft or -divided 

 Ivs., the divisions ovate to lanceolate: infl. dichotomously branched; fls. yellowish, 

 white or purplish, in irregularly compound umbels; the umbellets capitate; petals 

 obovate, incurved and notched at the tip: fr. globular, covered (in ours) with strongly 

 hooked bristles; ribs indistinct. About 40 species in temperate regions; 10 in China. 

 (Latin: sanare, to heal.) 



282 



