162 44. DIPSACACE.E. 



inclosed between 2 elevated curved ribs (barren cells) convex be- 

 hind, cyme lax spreading, its branches long divaricated. Fedia 

 Sm., E. B. 1370. R. xii. 710. V. Morisonii DC. Teeth of the 

 crown spreading or all incurved except the largest. Fr. smooth 

 or hairy. Fl. corymbose. Corn-fields and banks. A. VI. VII. 



5. V. eriocarpa (Desv.) ; fr. oval crowned with the large ob- 

 lique open unequally 5 7-toothed calyx flat in front with an 

 oval space inclosed between 2 elevated curved ribs (barren cells) 

 convex behind, cyme condensed. Very different in habit from 

 the preceding but scarcely affording any specific character. A 

 variety? Great Orme's Head, N.Wales. A. VI. E. 



Order XLIV. DIPSACACE^E. 



Fl. capitate. Cal. superior, surrounded by an involucel which 

 closely invests the ripe fruit. Cor. 4 5-fid with unequal lobes. 

 Stam. 4, inserted in the tube, free; filaments not jointed. Style 1. 

 Stigma simple. Ovary 1 -celled with a pendulous ovule. Fr. 

 crowned with the pappus-like calyx. Embryo in fleshy albumen. 



1. DIPSACUS. Calyx cupshaped. Involucel forming a thick- 

 ened margin to the ovary. Cor. 4-fid. Receptacle with 

 spinous scales shorter than the involucre. Fr. with 4 sides 

 and 8 little depressions. 



2. KNAUTIA. Calyx cupshaped with radiant teeth. Involu- 

 cel terminating in 4 small teeth. Receptacle hairy ; scales 0. 

 Fr. with 4 sides and 4 little depressions. 



3. SCABIOSA. Calyx of 4 or 5 bristles. Involucel membra- 

 nous and plaited. Receptacle scaly. Fr. nearly cylindrical 

 with 8 excavations. 



1. DIPSACUS Linn. Teasel. 



1. D. sylvestris (L.); 1. opposite undivided sessile, stem-1. 

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

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

 high, prickly, leafy, branched. Heads of fl. large, conical, over- 

 topped by the slender ascending involucre. Hedges and road- 

 sides. B. VIII. IX. Wild Teasel. 



[2. D. Fullonum (L.) ; 1. opposite undivided sessile, stem-1. 

 connate, scales of the receptacle hooked at the end equalling the 

 flowers, involucres reflexed. E. B. 2080. St. 5 6 feet high, 

 prickly, leafy, branched. Heads of fl. obtuse, conical, about 

 equalling the spinous spreading involucre. West of England, 

 scarcely wild. B. VIII. IX. Teasel. ] 



