SYNGENESIA-POLYGAM.-^QU. Arctium. 381 



flexed, spinous points, permanent. Co/: compound, uni- 

 form ; j^ort'/5 numerous, all perfect, equal, tubular; the 

 tube very long and slender; limb wider, ovate, in 5 li- 

 near, regular, spreading segments. Filam. 5, from the 

 tube, capillary, very short. Anth, in a cylindrical 5- 

 toothed tube, as long as the corolla. Germ, oblong, 

 downy at the summit. Style thread-shaped, longer than 

 the stamens. Stigm. 2, reflexed. Seed-vessel none, ex- 

 cept the permanent closed calyx, falling off entire. Seed 

 1 to each floret, inversely pyramidal, with 4 unequal 

 blunt angles, abrupt. Doivn a tuft of simple rough bris- 

 tles, shorter than the seed. Recept. flat, covered with 

 narrow, linear, chaffy scales, nearl}' as long as the calyx. 

 Large, branching, downy, biennial herbs ; with alternate, 

 undivided /mw5; and numerous, terminal, purpley^oWLV.?. 



1. A. Lappa. Common Burdock, or Clot-bur. 



Leaves stalked, heart-shaped, wavy, without prickles. Calyx 

 when in seed nearly smooth. 



A. Lappa. Linn. Sp. PL 1 143. TVilld. v,3. 16.31. FL Br. 844. 



Comp. ed. 4. 133. Engl Bot. v. IS. t. 1228. Curt. Loud. fuse. 4. ^ 



t.bo. fVoodv. t. \5. Hook. Scot. 235. 

 Lappa n. 1 G 1 , /3. Hall. Hist. v. 1 . 70. 



L. major, Aixium Dioscoridis. Bauh. Pin. 198. Raii Syn. 197. 

 L. major. Trag. Hist. 837. /. DeCaml. Fr. v. 4. 77. 

 Personata sive Lappa major. Matth. Valgr. v. 2. 497./. Camer. 



Epii. 887./. Dalec/i. Hist. 1055./. 

 P. Lappa major, Bardana. Lob. Ic. 588./. 

 Bardana major. Ger. Em. 809./ 

 Burdock. Petiv. H. Brit. t. 23. f. 1. 



j3. Lappa major, capitulo glabro maximo. Dill, in Raii Stjn. 19G. 

 y. L. vulgaris major, capitulis foliosis. Pluk. Almag. 205. Dill. 



in Raii Si/n. 197. 

 L. rosea. Bauh. Prodr. 102, not 210. 

 Rose Burdock . Petiv. H. Brit. t.23.f.2. 



5. Lappa major, capitulis parvis glabris. Dill, in Raii Syn. 197. 

 L. n. 161, y. Hall. Hist. v. 1. 70. 

 Small-headed Burdock. Petiv. H. Brit. t. 23. f. 3. 



In waste ground, by way sides, and on dunghills, common. 



The varieties 1 have not met with. 



Biennial. July, August. 



Root tapering, fleshy. Stem erect, 3 feet or more in height, solid, 

 leafy, round, furrowed, with many wide-spreading branches. 

 Z-eares scattered, stalked, broad, heart-shaped, undulated, veiny 5 

 three-ribbed at the base ; somewhat hoarv and downy beneath. 



