314 SYNGENESIA POLYGAMIA .ffiQUALIS. [CL. XIX. 



short ; anthers united in a cylindrical tube. Germen inversely 

 egg-shaped, small. Style thread-shaped, as long as the stamens ; 

 stigmas spreading. Seed oblong, angular, furrowed, smooth. 

 Seed-down none. Receptacle naked, flat, narrow. Name from 

 lapaso, to purge. 376. 



1. L. communis. Common Nipple-wort. Calyx of the fruit angular ; 

 stem panicled ; flower-stalks thread-like ; leaves egg-shaped, stalked, an- 

 gularly toothed. Stem from one to three feet high, much branched : 



leaves generally approaching to lyrate, with the terminal lobe very large, 

 downy : flowers small, yellow. Annual : flowers in July and August : 

 grows in waste places and cultivated ground : common. Eng. Bot. vol. 

 xii. pi. 844. Eng. Bot. vol. iii. p. 377. 1 145. 



2. L. pusilla. Dwarf Nipple-wort. Scape branched, swelled and 

 hollow at the top; leaves inversely egg-shaped, smooth, rough-edged. 

 Stalks six or eight inches high : flowers small, bright-yellow. Annual : 

 flowers in June : grows in gravelly fields : not common. Eng. Bot. 

 vol. ii. pi. 95. Eng. Fl. vol. iii. p. 377. 1146. 



12. CICHO'RIUM. SUCCORY. 



Common calyx double, cylindrical ; the outer of a few oblong, 

 shortish scales ; the inner of about eight linear, equal, permanent 

 scales. Compound corolla of about twenty strap-shaped, abrupt, 

 deeply five-toothed, perfect florets. Filaments hair-like, very short; 

 anthers united into a five-cornered tube. Germen egg-shaped. 

 Style thread-shaped, as long as the stamens; stigmas revolute. 

 Seed obscurely five-sided, abrupt ; seed-down of several chaffy, 

 erect bristles, shorter than the seed. Receptacle somewhat chaffy. 

 Name, Arabic, chikouryeh. 377. 



1. C. I'ntybtii. Wild Succory. Flowers in pairs, sessile ; leaves run - 



cinate. Stem two or three feet high, round, rough, branched : flowers 



large, bright-blue, axillar : the roots are eatable, and have also been used 

 as a substitute for coffee. Perennial : flowers in July and August : grows 

 in borders of fields and by roads : frequent. Eng. Bot. vol. viii. p. 539. 

 Eng . Fl. vol. iii. p. 379. 1 147. 



13. A'RCTIUM. BURDOCK. 



Common calyx globular, imbricated, of numerous lance-shaped 

 scales, ending in awl-shaped, hooked, thorny points, permanent. 

 Compound corolla of numerous, perfect, equal florets, with a very 

 long slender tube, and a wider egg-shaped limb, divided into five 

 linear, regular, spreading segments. Filaments hair-like, very 

 short; anthers forming a cylindrical, five-toothed tube, as long as 

 the corolla. Germen oblong, downy at the summit. Style thread- 

 shaped, longer than the stamens; stigmas reflected. Seed in- 

 versely pyramidal, with four unequal obtuse angles; seed-down 

 simple, rough, shorter than the seed. Receptacle flat, covered with 

 linear, chaffy scales, nearly as long as the calyx. Name from 

 arctos, a bear. 378. 



1. A. Ldppa. Burdock, Clot-bur. Leaves heart-shaped, stalked. 



