192 44. DIPSACACE^:. 



*** Barren cells 0, or reduced to a rib. 



4. F. dentdta (Poll.) ; fr. oval crowned with the small oblique 

 unequally 4-toothed calyx flat in front with a space enclosed be- 

 tween 2 elevated curved ribs convex behind, cyme lax spreading 

 its branches long divaricate. E. B. 1370. R. xii. 710. V. 

 Morisonii DC. Teeth of the crown spreading or all incurved 

 except the largest. Fr. smooth or [var. mirta Dufr.] hairy. 

 Fl. corymbose. Corn-fields and banks. A. VI. VII. E. S. I. 



5. V. eriocar'pa (Desv.) ; fr. pilose crowned with the large 

 toothed open nearly regular rather obliquely truncate net-veined 

 calyx; otherwise like V. dentata. Sy. E. B. 673. R. xii. 712. 

 Coss. Ail. 24 E. Wore., Dorset, Cornwall. The Welsh plant 

 is V. dentata. A. VI. E. 



Order XLIV. DIPSACACE.E. 



Fl. capitate, involucrate. Cal. superior, surrounded by an 

 involucel (or free outer calyx) which closely invests the. ripe 

 fruit. Cor. 4 5-fid with unequal lobes. Stain. 4, inserted in 

 the tube, free ; anth. not. cohering. Style 1. Stigma simple. 

 Ovary 1-celled, with a pendulous ovule. Fr. crowned with the 

 pappus-like calyx. Embryo in tieshy albumen. No stipules. 



1. DIPSACUS. Involucel forming a thickened margin to the 

 ovary. Calyx cupshaped. Oor. 4-fid. Receptacle with 

 spinous exserled scales shorter than the involucre. Fr. 

 with 4 sides and 8 little depressions. 



2. KNAUTIA. Involucel terminating in 4 small teeth. Calyx 

 cupshaped with radiant teeth. Receptacle hairy hemi- 

 spherical', scales 0. Fr. with 4 sides and 4 little 

 depressions. 



3. SCABIOSA. Involucel membranous or minute. Calyx of 

 4 or o bristles. Receptacle cylindrical with sunken scale*. 

 Fr. nearly cylindrical with 8 excavations. 



1. DIP'SACUS Linn. Teasel. 



1. I), sylves'tris (Huds.) ; 1. opposite simple sessile, steni-1. 

 connate, scales of the receptacle straight at the end exceeding the. 

 flowers, involucres curved upwards. JE. B. 1032. St. 5 6 feet 

 high, prickly, leafy, branched. Heads of pale lilac fl. large, 

 conical, overtopped by the slender ascending involucre. Hedges 

 and roadsides. B. VIII. IX. Wild Teasel. E. S. 'r I 



