348 Sir J. E. Smiru’s Characters of two Species of Tordylium. 
I cannot but consider T. humile of Desfontaines, Fl. Atlant. v. 1. 
325. t. 58, as indubitably T. apulum. It accords exactly in size 
and habit with Dr. Sibthorp's Greek specimens. Willdenow, by 
some accident, has not adverted to this plant. | i 
Scopoli's T. sifolium, Fl. Carn. ed. 2. v. 1. 194. t. 8, comes very 
near to our apulum, agreeing in the solitary radiant petal, with two 
equal lobes. But the flowers are red, not white; the leaflets 
broader, less divided, and more uniform; and the fruit bristly, 
which last may afford a good specific character. The general invo- 
lucrum moreover is said to consist of only one or two small leaves. 
I cannot conclude these remarks without adverting to T. pere- 
grinum, Linn. Mant. 55. Sm. Prodr. Fl. Grac. Sibth. n. 633. 
This is Conium dichotomum of Desfontaines, Fl. Atlant. v. 1. 246. 
t. 66, who seems not aware of its being a Linnzan plant. Its 
seeds indeed bear some resemblance to those of a Conium; and. 
the flowers, which the able author just cited never saw, are uni- 
form, scarcely radiant. The habit and foliage agree with Conium 
rather than with Tordylium. But, on the other hand, the charac- 
ter of the involucella dimidiata is not observable, and the crisped 
margin of the seeds answers better to Tordylium, though their - 
strongly 3-ribbed disk is adverse, and rather belongs to Conium. 
'To the latter genus I should perhaps consent to remove this spe- 
cies. Professor Sprengel, in his Prodr. Plant. Umbellif. 12 & 21, 
refers it to Cachrys; but I cannot discover any peculiar coat to 
the seed, which, according to that learned writer's own principles, 
might justify such a measure. It is remarkable that he distin- 
guishes the plant of Linnæus from that of Desfontaines, though 
certainly without any foundation. | 
Norwich, Feb, 10, 1817. J. E. SMITH. 
XXI. O6- 
