COMPOSITE, (composite familt.) 275 



1. O. ACiwTHiuM, L. Stem'(2°-4° high) and leaves eotton-woolly; scales 

 Knear-awl-shaped. — Eoadsides and waste places ; rather rai-e. July - Sept. 

 (Adv. from Eu.) 



70. LAPPA, Toum. Burdock, 



Heads many-flowered ; the flowers all perfect and similar. Involucre globular ; 

 the imbricated scales coriaceous and appressed at the base, tipped with an abrupt 

 and spreading awl-shaped hook-pointed appendage. Receptacle bristly. Ache- 

 nia ohlong, flattened, wrinkled transversely. Pappus short, of numerous rough 

 bristles, not united at the base, deciduous. — Coarse biennial weed, with large 

 unarmed and petioled leaves, and small solitary or clustered beads : flowers 

 purple, rarely white. (Name fi-om Xafielv, to iay hold, the involucre forming a 

 hooked bur which holds tenaciously to the dress, or the fleece of animals.) 



1. L. OFFICINALIS, Allioni. — Waste places and around dwellings, in ma- 

 nured soil. — The var. mAjor ( Common Burdock) has the involucre smoothish ; 

 leaves loosely whitish-cottony beneath or becoming smooth, the upper ovate, 

 lower heart-shaped. — Var. toment68a has the involucre cottony, and is rare. 

 — Var. mInor has smaller heads with smooth involucre, and smaller smoothish 

 leaves, often tapering at the base ; occasionally cut-toothed or laciniate-lobed. 

 {Uxhridge, Mass., Dr. Bobbins.} July- Oct. (Nat. fi'om Eu.) 



iSuBOEDEE H I.IG1JL.IFL.6B.S:. (ClCHOKACEJi:.) 



71. LAMPSANA, Toum. Nipple-wort. 



Heads 8 - 12-flowered. Scales of the cylindrical involucre 8, erect, in one 

 row. Receptacle naked. Achenia oblong. Pappu« none. — Slender branch- 

 ing annuals, with angled or toothed leaves, and loosely panicled small heads : 

 flowers yellow. (The Anfi,yjriivr) of Dioscorides was evidently a wild Mustard.) 



1. L. coMMtoia, L. Nearly smooth ; lower leaves ovate, sometimes lyre- 

 shaped. — Roadsides, near Boston, Bufiklo, &c. ( Adv, from Eu.) 



72. CICHOEIUM, Toum. Succobt or Cichokt. 



Heads several-flowered. Involucre double ; the outer of 5 short spreading 

 scales, the inner of 8-10 scales. Achenia striate. Pappus of numerous smalj 

 chaffy scales, forming a short crown. — Branching perennials, with deep roots ^ 

 the sessile heads 2 or 3 together, axillary and terminal. Flowers bright blue or 

 varying to purple, showy. (Altered from the Arabian name of the plant.) 



1. C. Inttbus, L. Stem-leaves oblong or lanceolate, partly clasping, the 

 lowest runcinate, those of the rigid flowering branches minute. — Roadsides : 

 common near the coast, especially in E. Mass. July -Oct. (Nat. from Eu.) 



73. KRIGIA, Schreber. Dwarf Dandelion. 



Heads 15-20-flowered. Scales of the involucre several, in about 2 rows. 

 Achenia top-shaped, many-striate or angled. Pappus double ; the outer of 5 



