I.) APPENDIX. 373 



Capitula terminal solitary pedunculate heterogamous ; 

 peduncles erect, exceeding the upper leaves, appressed-tomen- 

 tose or pubescent above ; involucre hemispherical of numerous 

 imbricate unequal obovate or obovate-oblong, very obtuse, 

 scarious glabrous bracts margined with black above, the outer 

 scales appressed, the inner at length with spreading or recurved 

 apices ; receptacle conical at length elongate, paleaceous ; palece 

 submembranous, lanceolate or linear conduplicate equalling 

 the florets, with a minutely laciniate or dentate coloured apex ; 

 florets numerous, of the disk regular, hermaphrodite, of the ray 

 irregular, pistillate. 



Calyx gamosepalous, adherent ; limb obsolete. 



Corolla of the ray-Jlorets ligulate spreading obovate or 

 obovate-oblong entire subpersistent, continuous below into the 

 adnate calyx-tube ; of the disk-Jlorets tubular, five-toothed, tube 

 abruptly dilated and articulated below, teeth spreading, shortly 

 villous. 



Stamens pentandrous, epipetalous ; filaments filiform ; an- 

 thers syngenesious, linear, two-celled, dehiscing longitudinally, 

 unappendaged below. 



Pistil syncarpous ; ovary inferior, one-celled, uniovulate ; 

 style fihform ; stigma bifid ; ovule anatropous, erect. 



Fruit an achene ; pappus o; achenes of the r<7j obovale 

 much compressed shortly hispid more especially on the margins, 

 continued above into the persistent base of the ligule ; achenes 

 of the disk obovate-oblong, compressed, entire or shortly biden- 

 tate above, thinly scabrid ; seed solitar}-, erect, exalbuminous ; 

 embryo Avith an inferior radicle. 



ROSE PERIWINKLE : Vinca rosea. 

 Class, Dicotyledons. Division^ CoroUiflorae. 



A perennial herb with opposite simple leaves, and axillary 

 conspicuous rose or white flowers. 



Stem usually woody and branching below, erect terete 

 pubescent or puberuious 



