368 Mr. J. Miers ow the germs Anthocercis. 



proportion than those of M. inodora, notwithstanding the heads 

 being usually smaller, rounded and entire, or faintly 3-crenate 

 at the end, white. Disk yellow. Receptacle hemispherical. 

 Fruit with three prominent smooth ribs ; an intermediate rough 

 space externally, but no internal spaces (the whole internal sur- 

 face being occupied by the smooth ribs) ; less compressed at the 

 border, and more squai'e than that of M. inodora. 



I had the pleasure of having this plant shown to me by my 

 friend Mr. Borrer growing at the place, Cockbush near West Wit- 

 tering, on the coast of Sussex, where Dillenius found it ; and am 

 indebted to him for pointing out to me the probability of its being 

 distinct from the Pyrethrum maritimum of Smith. I am also 

 much indebted to the celebrated Fries for a specimen of the 

 authentic M. maritima of Linnaeus. These two plants agree 

 very well, although it may be doubted if the Swedish plant is 

 not more upright than that of England. Fries lays much stress 

 upon the " ligulis nervoso-striatulis " of his M. maritima, a cha- 

 racter which is well shown in his specimens. I do not find that 

 the M. maritima of Sussex is so characterized. I possess a spe- 

 cimen, gathered in the island of Lewis, one of the Hebrides, 

 Avhich has its rays marked in that manner, but it is certainly not 

 the M. maritima of Fries, and does not appear to be distin- 

 guishable from M. inodora yS. salina, with which it agrees in 

 having large flowers with long rays, umbilicate involucres, fus- 

 cous-edged (but usually entire) phyllaries, and similar leaves. 



I have not seen any specimens of the true M. maritima from 

 any British locality except West Wittering. 



I may be allowed to express a hope that these remarks will 

 direct the attention of botanists to the maritime Matricarice, and 

 thereby determine the points that remain doubtful, the value of 

 their claims to distinction, and also their true distribution in 

 Britain. 



[To be continued.] 



XXXIV. — On the Genera of the Tribe Duboisieae. 

 By John Miers, Esq., F.R.S., F.L.S. 



Anthocercis. 



This genus of Labillardiere was first arranged together with 

 Duboisia in a separate division of Solanacece by Mr. Brown 

 (Prodr. 448). Mr. Bentham, first in Lindley's ' Introd.' p. 292, 

 and subsequently in the 'Prodromus^ of DeCandoUe, x. 191, 

 placed it among Scrophulariacece, in his tribe Sulpiglossidea. 

 .About four years ago {huj. ojt. iii. 170), I ofi"ered several I'emai'ks, 



