Compositeg,] compo8ITjE. J 67 



Kay yellow'. 



Involucre imbricate in several cpwa , . 16. Solidaoo, 



Involucre of a single row of equal bracts, with or with- 

 out a few small outer ones 83. SEnecio. 



Florets of the ray mostly with a small upper lip. Some of 



the others also bilabiate. Anthers i^itb fine points ot tails 



at the base (leaves all radical), 

 Involncral scales unequal, imbricate. Pappus reddish . . 36. 6e»bera. 

 Involuoral scales nearly equal, with a few outer shorter ones. 



Pappus white 34. Faefitsium. 



§ 5, Heads lipmogamous, the florets all ligulate and hermaphrodite. Leaves alternate. 

 Achenes tapering into a filiform beak, bearing the pappus at the 



fop. 

 Involucre narrow, with few very nnequal imbricated bracts . . 37. Lactuoa. 

 Involucre many-flowered, of several nearly equal erect bracts, 



and smaller imbricated outer ones usually recurved. Achenes 



murieate 38. Takaxacum. 



Involucre small, of one row of erect equal bracts, and a few small 



outer appressed ones. Achenes ribbdd, but not murieate . .39. IxEBls. 

 Achenes not beaked. Pappus sessile. 



Involucre of a single row of nearly equal bracts, vrith a few small 



outer ones 40. Cbepis. 



Involncral bracts unequal, imbricated . 41, SoNCHVS. 



TkibeI. CYNAROCEFHALM. 



Leaves alternate, often prickly. Mower-heads discoid, the florets aU tubu- 

 lar, hermaphrodite, and regular or nearly so, the lobes usually narrow. An- 

 thers usually fringed or tailed at the base. Style usually slightly swollen at 

 the base of the branches, which are narrow and obtuse, or slightly pointed. 



1. SAUSSURBA, DC. 



Florets aU tubular and equal. Involucre imbricate, not longer than the 

 florets, the bracts not prickly, the inner ones the longest. Eeceptacle bristly* 

 Corolla regular, with 5 narrow lobes. Achenes glabrous. Pappus of several 

 plumose bristles united in a ring at the base, with a few outer simple or short 

 scales. — ^Perennial herbs, not prickly. Leaves alternate. 



A considerable genus, spread over the hilly regions of the northern hemisphere, chiefly iu 

 the Old World. 



Leaves green, upper ones entire. Flower-heads numerous, in a dense 



corymb. Outer pappus of 3 to 5 deciduous bristles 1. 5. 



Leaves white underneath, all lyrate or pinnatifid. Mower-heads few. 



Outer pappus of several minute scales 'ii. S. 



1. S. japQnica, BO. Prod. vi. 536. Stock perennial. Stem erect, 

 neaxly simple, 1 to 1 J ft. high, sulcate, and slightly pubescent. Leaves green 

 and scabrous, or pubescent on both sides, linear or lanceolate, the lower ones 

 stalked and more or less pinnatifid, 3 to 4 in. long, the upper ones smaller, 

 narrow, and entire. Flower-heads in a dense flat terminal corymb, or, when the 

 stem is branched, dispersed in a number of smaller corymbs. Involucre ovoid, 

 about ^ is. long, the numerous imbricate bracts all terminating in a Mttle or- 

 bicular scarious pploured appendage. Achenes striate, slightly curved. Outer 



