58 LXXUT, COMPOSITH (OLIVER AND HIERN). 
Achenes thick. Pappus very caducous . . . . 62, MBLANTHERA. 
Achenes (of the disk) compressed. Pappus 0 or of 
2-8 ariste or set. 
Capitula loosely ceymose. Achenes winged . . 63, XIMENESIA. 
Capitula solitary. Achenes not winged . . . 64. SPILANTHES. 
Subtribe iii. CorrorsipEm. 
Involucral bracts free; the outer ones herbaceous, the inner 
ones like the palez of the receptacle. 
Achenes subtetragonal, without pappus . . . . . . 65. GutzoTta. 
Achenes nearly flat, winged, 2-3-aristate. . . . . . 66. SYNEDRELLA. 
Inner involucral bracts connate at the base, outer few, 
smaller, 
Style-branches truncate, usually shortly appendaged. 
Achenes without ariste. . . . . . ee ee 67. MIcROLECANE. 
Achenes furnished with 2—4 ariste. 
Ariste with ascending setule (or smooth). . . . 68, CoREopsis. 
Aristee with descending setule . . . . 69, Brpens. 
Style-branches tapering in long puberulous appendages . 70, CHRYSANTHELLUM. 
Trips VI. Helenioides. Capitula homogamous and discoid or 
heterogamous with the ray-florets female and disk-florets hermaphrodite. 
Involucral bracts in 1 or few rows. Receptacle naked. Corolla of the 
disk-florets tubular, regular, shortly 5-cleft. Anthers appendaged at 
the apex ; base obtuse, not caudate. Style-branches obtuse or truncate. 
Achenes narrowly oblong. Pappus consisting of aristiform palew.— 
Herbs (or undershrubs) with opposite entire or lobed leaves and yellow 
flowers. 
Involucral bracts in 4-5 rows. Achenes 4-5-angled. Heads 
discoid. Leavesentire . . . . . 71, JAUMEA. 
Involucral bracts in 1 row. Achenes’ atriate. Heads 
radiate. Leaves cut . 72. * TaGETES. 
Trise VII. Anthemidesx. Capitula heterogamous, radiate or 
discoid. Involucral bracts pauci- or multi-seriate, imbricated. Re- 
ceptacle naked or furnished with pales subtending the florets. Outer 
florets female, ligulate or tubular; inner florets hermaphrodite, tubular 5 
corollas 4-5-lobed. Anthers not tailed, obtuse at the base. Style- 
branches usually truncate. Achenes rather small. Pappus ¥ 
obliquely coroniform or consisting of short teeth.—Herbs or under- 
shrubs, with alternate or rarely opposite pinnatisect or toothed leaves, 
yellow disk-florets and white or yellow ligules. 
Receptacle furnished with palee. . . . . . . . . 73. ANTHEMIS. 
Receptacle naked or fimbrilliferous. 
Heads radiate . . . . . . . . 74. Marricaria. 
Heads discoid. 
Heads solitary. § corollas 4-toothed . . . . 75, Coruna. 
Heads in corymbose or hemispherical cymes. "Ss e0- 
rollas 4-toothed . . ..., um . ¥ . 76. ScuisTOSTEPHIUM. 
Heads in thyrsoid racemes. & corollas §-toothed . 77. ARTEMISIA. 
Tripe VIII. Senecionides. Capitula heterogamous radiate 8 
rarely discoid, or homogamous. Involucral bracts in 1-2 rows pee 
rarely in many graduated rows, occasionally connate at the base 
