242, THE JOURNAL OF BOTANY 
number 500 being that of Clayton’s plant in the Linnean and 
National herbari ia—and it is from this that Linneus derived the 
t may be urged with some show of reason that Linneus’s 
descriptive phrase “ foliis gladiatis serrato-spinosis: floralibus in- 
divisis ” may be taken as referring to yuccifolium. But it must be 
immediately precedes it and which is characterized as havin 
** floralibus multifidis ”); while as to the former, if it be urged that 
the leaves of moans are not what we should now call * gladi- 
atis,”’ they are at least as much so as thes: of fetidum to which he 
plies the same term; and it may be noted co Gronovius has 
. glaioltis,” ist " sladiatis” ” as cited by Linne 
In making his variety 6, Linneus again follows ‘Gronovius, who 
says (l.c. ys ‘‘Hujus varietas st Eryngium lacustre Virginianum 
floribus ex albido ceruleis, caule & foliis Ra li flammei minoris 
D. Banister. Plukn. Alm. p. 136 [187], cui folia sunt lanceolato- 
linearia utrinque subulata, sessilia, floresque pedunculati. A 
reference to Plukenet’s specimens in Herb. loan (xcii. f. 62 and 
xeiv. f. 188) shows conclusively that his plant was E. virginianum, 
one of them being the slender few-headed specimen on which his 
figure is based. This plant of Plukenet Lamarck cites as synonymous 
with his virginianum. 
From what has been an it seems clear that the whole of the 
material present to Linneus when he drew up the description of 
aquaticum for his first edition belongs to the plant now generally 
own as om which latter must be reduced to a synonym 
of the egos: 
In the s nee edition of the Species Plantarum, Linneus cor- 
that species “ EK num, yucee folio, spinas ad oras mollius- 
culis. Pluk. alm. 13 [187] t. 175, f. 4, Raj. suppl. 239. Moris. his 
. nd “ E, foliis eee oe laxe serratis we yest 
neus (I. c.) quotes ‘ Scorpil spina Hern. me x. _ ” as a synonym of 
i. falcon m; in ed. ii. he transfers this to E. aquaticum. Hernandez has a 
figure of the Lied and describes it thus :—‘ i Oamtasdll, < quam alij “Hoitzcolotli, 
inam vocant, herba est spinifera, folia proferens Cirsij spinis 
s longos 
Blanco — (no. 681, 1886 a — doubtfully to E. cymoswm by 
Sereno Watson (Proc. ‘Amer. Acad. xxi 415) more closely resembles Delaroche’s 
