THE 



FLORA OF THE ALPS 



Order XLVIL— COMPOSITiE. 



Inflorescence a capitule surrounded by an involucre of 

 bracts; flowers small, all tubular, or the outer ones 

 (florets of the ray) ligulate, the inner ones (florets of the 

 disk) tubular ; all bisexual, or some female, some male or 

 neuter, and some bisexual; calyx-limb o or a feathery 

 pappus; stamens 5, anthers always connate (syngene- 

 sious); ovary inferior, i-celled, i-ovuled, stigmas 2; fruit 

 a I -seeded achene, often surmounted by the feathery 

 pappus. A vast order, the largest among flowering plants, 

 comprising about one-tenth of the flowering flora of the 

 globe, belonging to all climates and all altitudes. Many 

 of the genera are distinguished only by minute characters, 

 and in some of the genera the species are very difficult, 

 running into one another by insensible gradations. 



Sub-Order TUBULIFLOR^. — Flowers all tubular, or 

 disk -flowers tubular, ray -flowers ligulate; no milky 

 juice. 



Tribe EUPATORIE^. — Flowers all tubular, bisexual; 

 calyx pappoid ; anther-cells not tailed ; branches of style 

 VOL. II. A 



