44. DiPsiCACEa;. 179 



Morisonii DO. — Teeth of the crown spreading or all incurved 

 except the largest. Fr. smooth or hairy. Fl. corymbose. — 

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



\_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. M. xii. 712. 

 Coss. Atl. 24 B. — Between Hanley and Barnard Green, Wor- 

 cest. The Welsh plant is V. dentata. A. VI.] E. 



Order XLIV. DIPSACACE..S:. 



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

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

 fruit. Oor. 4 — 5-fid with unequal lobes. Stam. 4, inserted m 

 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 fleshy albumen. — No stipules. 



1. DiPSACUS. Involucel forming a thickened margin to the 

 ovary. Calyx oupshaped. Cor. 4-fid. Receptacle with 

 spinous exserted 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 ; scales 0. 

 Fr. with 4 sides and 4 little depressions. 



3. ScABiosA. Involucel membranous or minute. Calyx of 

 4 or 5 h-istles. Receptacle with sunlten scales. Fr, nearly 

 cylindrical with 8 excavations. 



1. Dip'sACirs Linn. Teasel. 



1. D. sylves'tris (L.) ; 1. opposite simple sessUe, stem-1. con- 

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



flowers, involucres curved upwards. — IH. 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. ? I. 



\JD. Fulldnum (L.) ; scales of the receptacle hooked at the end 

 equalling tlie fl., invol. reflexed, otherwise like B. sylvestris. — 

 E. B. 2080.— Scarcely naturalized. B. VIII. IX. Teasel.'] E. 



2. D. pildsus (Ij.) ; I. stalked with a It. at the base on each side, 

 scales of the receptacle obovate-cuapidate straight, involucres 

 deflexed.— -E. B. 877.— St. S— 4 feet high, slender, branched. 



