COMPOSIT.E. (composite FAMILY.) 275 



1. O. ArAxTniuM, L. Stem (2° -4° higli) and leaves cotton-woolly ; scales 

 lincar-awl-sliaptd. — Roadsides and waste places: rather rare. July -Sept. 

 (Adv. from Kii.) 



7 0. LAPPA, Tuurn. BrHDorK. 



Heads many-flowcrcd ; tlic flowers all perfect and similar. Invohicro glohiilar ; 

 the imbricated scales coriaceous and ap])rcsscd at the base, tipped with an abrupt 

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

 nia oblong, flattened, wrinkled transversely. I^i[)pus short, of numerous rough 

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

 unarmed and petiolcd leaves, and small solitary or clustered heads : flowers 

 purple, rarely white. (Name from Xa/Seii/, to lay hold, the involucre forming a 

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



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

 nured soil. — The var. mXjor (CoMjroN Bukdock) has the involucre smoothish ; 

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

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

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

 leaves, often tai)cring at the base ; occasionally cut-toothed or liu-iniate-lobcd. 

 (Uxbridgc, Mass., Dr. Robbius.) July -Oct. (Nat. from Eu.) 



Suborder II. LIOULIFLOR.^:. (Cichorace^.) 



71. LAMPSANA, Tourn. Nipple-wort. 



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

 row. Receptacle naked. Achenia oblong. Papjius none. — Slcniler branch- 

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

 flowers yellow. (The Aafxy\ri'ivr^ of Dioscorides Wi»,s evidently a wild Mustard.) 



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

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



72. CICHORIUM, Tourn. SrccoRV or Cioiiory. 



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

 scales, the inner of 8-10 scales. Achenia striate. l'ap|)us of nnmerous .Nmail 

 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 ])urplc, showy. (Altered from the Arabian name of the j)lant.) 



1. C. Intybu.s, L. Stem-leaves oblong or lanceolate, partly clas])ing, the 

 lowest rnncinate, those of the rigid flowering branches minute. — Roadsides.- 

 common near the coast, especially in E. Ma.ss. Jidy-Oct. (Nat. from Eu.) 



73. KRIGIA, Sehreber. Dwarf Dam.kmon. 



Heads l.')-20-Howcrcd. Scales of the involucre several, in alwut 2 rows. 

 Acheaia top-shaped, miuiy-striute or angled. Paj)pus double ; the outer of 5 



