450 LXII. COMPOSITE. 
ue ovoid, consisting of few herbaceons bracts. Anther 
almost tailed. i of 2 to 4 m deciduous Mu 
brist A . 6. PLEUROCARPAA. 
(84. GYNURA, um iui dil SEN but ege Me in a single row.) 
Flower-heads small, sessile, in a cluster or compound head. Involu- 
cres narrow, flattened. Pappus of a few rigid bristles . . 7. ELEPHANTOPUS. 
mr ITI. Eupatoria ez —Leaves usually opposite. Fira ppop the 
florets all tubular, ees aphrodite and regular or nearly so. obtuse at the base, 
without tails. tyle- T rs obtuse and usually ia ieee or thickened at 
the end. 
Pappus of numerous capillary bristles . . 8. EUPATORIUM. 
Pappus of 5 or 10 chaffy scales o r bristles, dilated at the base . . 9. AGERATUM. 
Pappus of 3 e 5 short bristles, each tipped by a glan . . 10, ADENOSTEMMA. 
Tame IV. Asteroideæ.—Zeaves alternate or very rarely opposite. Flower 
either see or diæcious, the ) male florets ligulate o or filiform, the herma apro 
A males tubul d 4- or 5- d or oe in ver y few exceptional species) the florels all 
rmaphrodite — tubular. Anthers le-branches in the hermap 
s ets Met more or less Je pe de fie stigmatic lines into “ine or ap- 
pendages, papillose on the outsid 
ie — beige E a Bt to the flower-hea 
vi agis of all the florets of dere simple or 
"a 
Achenes terte or ai flattened. Ray-florets in a single row 
nthers obtus he base or shortiy pointed. Involucral 
«ee .H. HESE 
Herb with radical leaves and large a Heads on simple scapes 12. CELMISIA. 
SE eni fine tails. tede id bracts dr H or the outer 
es leaf-like. Sali often irregular . 26. PrkRIGERON. 
ghee much flattened. je floris numerons, usually in 
Achenes all fertile produced into a slender beak De a 
capillary pappu . 14. Popocowa. 
Achenes all fertile, not beaked, the capillary pappus se sessile : 
Style-branches with subulat . 18. VH 
i imis -branches with la LM or x diii tips . 15. ERIGERON: 
chenes of rw ray y fertile, with a capillary pappns, those of 
e disk mostly abortive, with a reduced or scaly pappus . 17. MINUM 
Pappus of rigid in ge ual u usually di ivaricate awns or spines, some- 
times accom by sc. . 18. KE 
Mag none or of s eid or bs much shorter than the achene. 
zen Sa e — at the - into a short neck or Ce eet 
Achenes obtuse or truncate at the top. Pappus ‘short or “none 20. BRACH 
Female florets filiform or oo. 
Flower-heads sma ly sessile; in dense clusters or compound 
eads. 
a lius linear, herbaceous or s 
appus none. Anthers without tubis or ina at the base . 21. Spi ERANTEUS 
SS us t capi t ee or 
m e m — bristles. = with shor Ton M ONENTETÉS. 
Involucral bracts dry rigid and acu te. Anthe tailed. 
Pappus of few dei bristles, flat ve? Derek Se the ally i 
Flower-heads separate]; unculate or rarely sessile, but distin 
Pappus of simple See bristles. 
Anthers wi 
98, THESPIDIUM 
- 
ST? Coxgtäh, + | 
