1921-22.] BOTANICAL SOCIETY OF EDINBURGH 91 



FORMANIA: A NEW GeNUS OF THE COMPOSITAE FROM 



Yunnan. By Professor Wright Smith, M.A., and 

 Professor James Small, D.Sc. (With PI. II.) 



(Read 13th January 1922.) 



Formania, W. W. Sm. et J. Small. Genus nov. 

 Compositarum. 



Genus Autheiuidearum ; prope Chr^^santhemum allo- 

 catum ; paleis pappi longis linearibus ad Cancriniam 

 propinquat atque aliquatenus baud procul ab AUardia; a 

 generibus illis habitu erecto fruticoso recedit et receptaculo 

 tinibrillifero differt ; a CJiri/sanfhemo pappo anomalo et 

 antheris acutis sagittatis divergit. 



Fruticulus ad 1 ni. altus erectus ramosus. Rami graciles 

 cortice cinerascente induti, juniores puberuli. Folia alterna 

 nunc ad ramulos breves approximata in petiolum brevem 

 latiusculum saepe vix discretum angustata, 1-1'5 cm. 

 longa, 5-10 mm. lata, ambitu obovata, textura crasse 

 pap3'racea, ad medium vel ultro pinnato-incisa, lobis 5-9 

 triangularibus vel nunc subquadratis saepe ipsis incisulis 

 lobulis apiculatis, utrinque glabra. Capitula 3-12, hetero- 

 gama, corymbiter disposita, ramos terminantia, cylindrica, 

 circ. 7 mm. longa, pedunculis puberulis ultimis 1-10 mm. 

 longis nudis vel foliis multo reductis instructis. -Involucri 

 phylla pluriseriata exteriora breviora, interiora longiora, 

 ad 5 mm. longa, circ. 1-1 "5 mm. lata, oblonga vel 

 lineari-oblonga, obtusa vel subobtusa, scariosa, medio 

 pallido-viridia, supra albo-ciliolata. Receptaculum planum 

 timbrilliferum. Flores ligulati $ , circ. 10 pallido-flavi 

 pai's tubulosa circ. 3 mm. longa; ligulae 3 mm. longae 

 rami stylares latiusculi apice rotundati v. sub-truncati 

 achaenia 2 mm. longa; pappi paleae quinque lineares 

 3 mm. longae brevioribus 10-12 additis; flores disci $ 

 circ. 8, cum achaenio puberulo circ. 1*1 cm. longi ; antherae 

 basi auriculis brevibus acutis sagittatae ; styli truncati. 

 Fructus maturi desunt. 



Genus monotypicum chinense provinciae yunnanensis 

 incola. 



