LXXVIII. composiTZ. (J. D. Hooker.) 221 
Anthers subentire at the base. Style-arms obtuse, papillose.— Leaves opposite or 
alternate. Corolla rarely orange, never yellow. Pappus usually bristly. 
Subtribe 1. PIQUERIE®, Anther-tip truncate. 
Aghenes O-angled . . . wn . ioe se 5 d. ADROO 
Subtribe 2. AaERATEX. Anther-tip appendiculate. Achenes 5-angled. 
Pappus paleaceous . EI 5 -— et. . . 8, Sa 
Pappus of slender hairs. Invol bracts ©. . . . . . . 9. EUPATORIUM. 
Pappus of slender hairs. Invol. bractis 4 . . . . . . . 10. MIKANIA 
TRIBE IIT. Asteroidese. Heads with the flowers all similar, or the outer 
ligulate. -Anthers subentire (cells not tailed) at the base. Style-arms flattened 
or plano-convex, all or those of the disk-flowers terminated by a cone.— Leaves 
usually alternate. Receptacle almost always naked. Disk-flowers yellow; ray- 
flowers yellow, white or purple. 
Subtribe 1. HowocugoME:. Flowers all yellow, those of the ray ligulate. 
Ligules few. Heads in scorpioid panicles. . . . . . . 11. SOLIDAGO. 
Subtribe 2. GRANGEINE®. Flowers all yellow, ray 0. Pappus hardly any. 
Receptacle usually elongate, top flat. Achenes obtuse, flat, 
with a thickened border (o eee... 12. DIGIROCEPHALI, 
Receptacle elongate, top convex. Achenes obtuse, flat, without 
o nokoda border. . ... . SIS. ` ` T DEE 
Receptacle conie or convex. Aehenes with a terminal, toothed 
Urbem... «ar MES. . 14. GRANGFA. 
Subtribe 3. BELLIDER. Ray-flowers 9 , ligulate, never yellow. Disk-flowers 
yellow. Pappus 0 or very short. 
Erect herbs. Achenes viscid, hardly beaked . . . . . . 15. Myrtactis, 
Erect rigid herbs. Achenes of ray beaked . . . . . . . 16. RuyNcHosPFRMUM. 
Small, stemless herb. Scape with 1 head . 2. .2 .o. 14. DAGHNODHORA, 
Stem branched, branches with single heads. Achenes beaked 18. Bracuycomr. 
Subtribe 4. HETEROCHROMEJE. Ray-flowers 9 , ligulate, never yellow. Disk- 
Jlowers yellow. Pappus hairs long, copious, except Boltonia. 
Pappus of short bristles and 2-4 long hairs . . . . . . 19. BorroN1a. 
Outer invol. bracts green. Ligules long, l-seriate . . . . 20. ASTER. 
Outer invol. bracts green. Ligules very short . . . . . 21. BRACHYASTER. 
Outer invol, bracts green, narrow. Ligules 2-3-seriate . . 22. EmiGERON. 
Subtribe b. Conyznm. Ray flowers very slender, tubular, or with very short 
ligules, and disk-flowers yellow. Pappus copious or scanty. 
Tall or climbing herbs. Heads very small. Pappus long . 23. Mrcnoarossa, 
Erect herbs. Heads various, Pappus long «ages «eee 
An erect herb. Heads small. Pappus scanty, short . . . 25. TuksPis. 
TRIBE IV. Enuloidesee,. Heads with the flowers all similar, or the outer 
ligulate. Anther-cells (except Laggera and Phagnalon) tailed. Style-arms linear, 
obtuse, or styles of the sterile fl. undivided.— Leaves usually alternate. Disk 
and ray-flowers usually both yellow. 
Subtribe 1. PLUCHEINE®. Heads androgynous. Jnvol. bracts dry or herba- 
ceous, rarely subscarious. Receptacle naked. Style-arms of D fl. filiform, not 
truncate, or style of sterile fl. entire. 
* Heads corymbose or panicled, not in globose masses (except in some Blumeas). 
Herbs. Invol. bracts narrow. Pappus copious. . . . . 26. Bromma. 
Herbs. Invol. bracts narrow. Anther-cells ecaudate . . . 27. LAGGRRA. 
