131 
4, Situ, &c. 
In his ‘ English Flora, Sir J. E. Smith cites all these authors, and 
makes the plant in question var. 0. of his Botrychium lunaria. 
“9. L. minor, foliis dissectis. Raii Syn. 129. L. racemosa minor, 
matricarie folio. Breyn. Cent. t. 94. Moris. v. 3. 594. sect. 14, 
t. 5. f.3. Botrychium rutaceum, Sw. Syn. Fil. 171. Willd. 
Sp. Pl. v. 5. 62."—E. F. iv. 328. 
Here we have the B. rutaceum of Europe identified as a British 
plant, but, although retained as a variety, advisedly rejected as a spe- 
cies, because, although “ found occasionally intermixed here and there 
with the plant in its proper or common form; yet never, as far as” the 
author “could learn, so numerously distinct as to have the appear- 
ance of a different species.” 
It would seem, from this passage, that paucity of individuals was 
the only inducing cause with Sir J. E. Smith for rejecting Botry- 
chium rutaceum as a British plant; but still he retained it as a variety. 
The learned authors of the 6th edition of the ‘ British Flora,’ and the 
very careful author of the ‘Manual, go a step further: they ignore 
the existence of such a plant. 
5. BRAUN, &e. 
Prof. Al. Braun, in the 2nd edition of Koch’s ‘ Synopsis,’ has been 
at great pains to make the synonymy intelligible; but he gives the 
plants two new names, matricarizfolium and rutzfolium ; and; what 
seems still more unfortunate, his matricarizfolium — Willdenow’s 
rutaceum ; and his rutefolium — Willdenow’s matricarioides. Doll, 
in his ‘ Rhenish Flora,’ adopts this change. 
6. LEDEBOUR. 
Ledebour, in his ‘Flora Rossica, rejects the new names, and 
restores the old ones; but makes the rutaceum of Swartz synonymous 
with the matricarioides of Willdenow. In support of this view he 
offers no evidence; and were this transposition of the synonyme 
really required, surely the identification of the rutaceum of Swartz 
with the matricarioides of Willdenow would necessitate the adoption 
of Swartz’s name for that plant, since it has a priority of four years. 
Seeing, however, that the characters and synonymes are drawn up 
with great care, and exhibit all that has been done on the continent 
for two plants, which, whether species or varieties, will in all probabi- 
