Tas. 6422. 
VILLANOVA curysanTHEMOIDEs. 
Native of Colorado and New Mezico. 
Nat. Ord. Composrrz.—Tribe HetentoweR, 
Genus Vitianova, Lagasc.; (Benth. § Hook. f. Gen. Pl., vol. ii. p. 404.) 
é 
VILLANOVA chrysanthemoides; erecta, robusta, superne paniculatim ramosa, 
polycephala, cano-puberula v. glabrata, foliis alternis ambitu late ovatis v. 
obovatis petiolatis biternatisectis laciniis linearibus v. apices versus dilatatis 
acutis v. obtusis re¢urvis, pedunculis glandulosis, capitulis 1-poll. diametr. 
involucri bracteis sub 3-seriatis oblongo-lanceolatis acutis v. abrupte longe 
acuminatis interioribus scariosis, receptaculo convexo, ligulis 15-20 patenti- 
recurvis apice 3-lobis, fl. disci corolla glandulosa dentibus erectis obtusis, 
achzeniis elongato-obconicis angulatis sulcatis costis rugulosis, angulis 
leevibus. , 
V. chrysanthemoides, 4. Gray, Plant. Wright. pars. ti. p. 96; Walp. Ann., vol. 
Vv. p. 248; Porter § Coulter, Synops. Fl. Colorado, p. 75. 
Amauri P dissecta, A. Gray, Plant. Fendl., 104; Walp. Ann., vol. ii. p. 883. 
A hardy free-flowering annual, a native of the Rocky 
Mountains of Colorado and New Mexico, at elevations of four 
to six thousand feet and upwards ; very like a groundsel in 
habit and appearance, but belonging to a totally different 
tribe of the vast natural order of Composite. The genus is 
a purely American one, and the only known species are 
the present and two others, one a native of New Grenada 
and the other of Peru. 
As grown at Kew this Villanova shows a tendency to ab- 
normal development of some of its organs. Thus at fig. 3 are. 
represented a floret with two supplementary styles, one with 
two arms, the other with one only, all emerging from corolla 
of the same ray-flower. At fig. 5 the achene is seen to 
have a remarkable projecting lateral process. In none of the 
flowers examined was there any small cone terminating 
the style-arms of the disk flowers as is attributed to 
the genus in the General Plantarum. 
The plant here figured was raised from seed sent by 
+ APRIL Ist, 1879. : 
