��CONTRIBUTIONS TO THE BOTANICAL REGISTER. 691
bus. appressis, linearibus, apice brevi scarioso vix dila- tato. Pappus : margo membranaceus brevissimus indi- visus. Receptaculum convexiusculum, paleaceum, paleis linearibus acutis. Brown MSS.
With our present imperfect knowledge of this plant, it is perhaps necessary to refer it to Anthemis, though in real affinity it will probably be found to approach more nearly to Chrysanthemum Indicum, of which the supposed double-flowered varieties are in like manner generally fur- nished with palece. As that plant, however, in its single state has always a naked receptacle, and some of its double-flowered varieties are constantly, while others are occasionally without palece, in the second edition of the 'Hortus Kewensis,' it was continued in Chrysanthemum ; an arrangement which it would not perhaps be necessary to alter, were it even proved that two species have been con- founded under the name of Chrysanthemum Indicum, both of them belonging decidedly to the same natural genus, and to this genus I am inclined to think Anthemis apii- folia, when completely known, may be referred. As to the narrow margo crowning the seed, on account of which our plant has been considered a Pyrethrum, it does not appear to me to constitute a sufficient generic character, and it equally exists in Chrysanthemum Indicum, particularly in the single-flowered specimen of the Linnean Herbarium. Brown MSS.
For the above account we are indebted to the unwearied liberality of Mr. Brown, who has taken this opportunity to account for his retaining Chrysanthemum Indicum in that genus in the second edition of the ' Hortus Kewensis/ and for not following some of his predecessors in referring the species to Anthemis.
Bot. Beg. 527 (1821).
AsteLxMA. Beceptaculum nudum {nee paleatum nee favosum). Pappus plumosus, sessilis ; radiis basi connatis. Involucrum (calyx) imbricatum, squamis scariosis : intimis conniventibus. Brown MSS.
Astelma eximium, Brown MSS.
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