1921] JURICA—DIPSACUS 143 
° 
3-t4---F ig. 3, longitudinal section of young floral head showing origin of 
decane ead (daughter branch) in axils of clasping leaf; fig. 4, daughter floral head 
enlarged showing initials of involucral bracts; ft, rete included to show relative 
young hein showing origin of corolla; i , later stage gy ‘ober of 
stamens, calyx, and involucel; fig. 12, rMetond tm of carpels; figs. 13, 14, later stages 
abbreviations: ‘fh, floral head; cl, clasping leaf; ib, involucral fine fb, floral bract; 
pg papilla; cor, corolla; s, stamen; c, calyx; in, involucel; st, style; 0, ovule; 
nor 
