500 



CXXII. COMPOSITE. 



. Tribe III. Nassattviaoe^.' — Flowers all 5 . Style swollen at the base ; 

 stigmas truncate, with a pencil of hairs at the top, and within separate prominent 

 stigmatic bands. 



PRINCIPAL GENERA. 



Nassaima. Moscharia. Triptilion. 



SuB-OEDEE III. TUBULIFLOE^. 



Capitula sometimes formed of flowers with a regular tubular corolla {florets) all 

 5 , rarely irregular and sterUe ; sometimes rayed, i.e. composed of tubular flowers 

 occupying the centre {dish), and of ligulate flowers {demi- florets) which are ? or 

 neuter, occupying the circumference {ray). 



Tribe IV. Ctnaee.s. — Capitula generally discoid. Style of the 5 swollen 

 above, nearly always furnished with a pencil; arm^ free or cohering, pubescent 

 outside ; stigmatic bands reaching the top of the stigma, and there uniting. — Leaves 

 alternate. 



PRINCIPAL GENERA. 



Tribe V. Senecionide^. — Capitula generally rayed. Style cylindric at the 

 top, bifid in the S flowers ; arms elongated, linear, truncate, or crowned with a 

 pencil, above which they sometimes extend in a long appendage or a short cone ; 

 stigmatic bands prominent, prolonged but not reaching to the pencil. — Leaves 

 alternate or opposite. 



PRINCIPAL GENERA. 



* Cacalia. 



* Phaenocoma, IV. 



* Cassinia, IV. 

 Athanasia, VII. 



* Cosmos, V. 



* Sogalgina, V. 



' Helianthus, V. 

 Ambrosia, V. 



* Calliopsis, V. 



* Silphium, V. 

 Robinsonia. 



* Zinnia, V. 



* Senecillis. 



* Podolepis, IV. 



* Plagius, Vn. 



* MoDolopia, VI. 



* Chrysanthemum, VII. 

 Bidens, V. 



Diotia, VII. 



* Achillea, VII. 



' Anthemis, VII. 



* Anacyclus, VII. 



* Oxyura, V. 



* Emilia. 



* Rhodanthe, IV. 



* Tanacetum, VII. 



* Madia, V. 



* Sphenogyne, X. 



* Santolina, VII. 



* Helenium, VI. 



* Gaillardia, VI. 



* PorophyUum, VI. 



* Tagetes, VI. 



* (Ederia, V. 



Carpesium, IV. 



* Humea, IV. 

 Artemisia, VII. 



* Spilanthes, V. 



* Gamolepis, VIII. 



* Bffiria, VI. 



* Coreopsis, V. 

 Xanthium, V. 



* Chrysostemma, V. 



* Rudbeckia, V. 



* Ximenesia, V. 



Included in Tribe XII. of the new arrangement, 

 604.— Ed. 

 ' The numerals indicate the number of the Tribe to 



which the genera are referred under the new classiflca- 

 tion of the Order given at p. 503. — Ed. 



