224 LXXVII. CoMPOSITE. (J. D. Hooker.) 
Trink VI. Anthemidess. Heads heterogamous, rayed or disciform, or 
rayless and homogamous. Invol.-bracts 2~ oc-seriate, dry or with scarious tips. 
Receptacle naked or paleaceous. Anther-cells not produced into tails. Style- 
arms truncate. Pappus 0 or a crown of short palew.—Leaves usually alternate. 
Disk-fl. yellow, ray-fl. variously coloured. 
* Receptacle paleaceous. Heads usually rayed. 
Achenes margined. Heads corymbose . . . . . . . . 63. ACHILLEA. 
Achenes 4—5-angled or many-ribbed. Heads peduncled , . 64. ANTHEMIS, 
* Receptacle naked or with fimbriate pits. 
Heads rayed, shortly peduncled. Achenes 5-angled. . . . 65. ALLARDIA. 
Heads rayed, usually long-peduncled. Achenes ó-10-ribbed. 66. CHRYSANTHEMUM. 
Headsrayed. Achenes ventrally 3—5-ribbed, dorsally o-ribbed 
^. vo uL AU e E E C CN E Y 4 
Heads disciform, peduncled. Invol.-bracts l-2-seriate. . . 68. CorULA. 
Heads disciform, subsessile. Invol.-bracts spreading in frt. . 69. CkNTIPEDA. 
Heads disciform, subsessile, invol.-bracts 3—4-seriate incurved 
i en NND TT ee ee "TTT 
Heads disciform, corymbose. Invol. bracts ce-seriate . . . 71. TANACETUM, 
Heads small, disciform, racemose or panicled. . . . . . 72. ARTEMISIA, 
TRIBE VII. Senecionideee. Heads heterogamous, rayed or disciform. 
Invol.-bracts usually l-seriate and subequal, with a few short outer at their 
base, rarely oo -seriate. Anther-cells obtuse below or with 2 short points rarely 
tailed. Style-arms of D fl. truncate or appendaged. Pappus of fine hairs.— 
Leaves usually alternate. Disk-/t. yellow; rays usually also yellow. 
Subtribe 1. TUSSILAGINE®, Invol.-bracts 1-2-seriate, subequal, free nearly 
to the base. Style-arms of fl. Y flattened or narrowly clavate, papillose, not 
hairy all round (as in Eupatoriacee or Inuloidee). 
Invol.-braets l-seriate. Heads rayed, bracteolate, solitary . 73. TussiLA6o. 
Invol.-bracts 2- or few-seriate. Heads rayed, drooping, 
usually solitary. . . . . . e e xx o o vie TH, CREMANTHODIUM, 
Subtribe 2, EUSENECIONIDEX. Invol.-bracts l-9-seriate, free nearly to the 
base, usually with a few smaller outer ones. Style-arms of D fl. truncate or 
obtuse, penicillate or with a hairy tip. 
* Invol.-bracts herbaceous, broad, acuminate, Heads large, rayed, long- 
peduncled. 
Receptacle hemispheric. Herbs, leaves alternate . . . . 75. Doronicum. 
** Invol. bracts narrow, with a few much shorter outer ones (calyculate), ex- 
cept Emilia and some Senecios. 
Heads homogamous. Style-tips long, hairy . . . . . . 76. Gynura. 
Heads homogamous, ebracteolate . («1.1 7, 4 74 7 2 HMPRIE. 
Heads homogamous. Style-tips ovate. Fleshy shrubs . . 78. Noronta. 
Heads rayed or disciform, homogamous. Style-tips truncate 
or short or 0. Leaves radical or alternate . . 79. SENECIO. 
Heads heterogamous. FI. D sterile. Glabrous undershrubs . 80. OTHONNOPSIS. 
Subtribe 8. Ornonnem, — Invol.-bracts l-seriate, united to above the middle 
into a cup. 7. § fertile; style-arms truncate. 
Heads large, solitary, erect, sessile or peduncled. Alpine herbs 81. WERNERIA. 
Trese VIII. Calendulacesge. Heads rayed. Invol.-bracts 1-2-seriate, 
narrow, subequal. Receptacle naked. Anther-cells mucronate. Style-arms of 
H fl. truncate. or in sterile fl. undivided. Achenes usually large and thick and 
deformed, without pappus. d 
