241 
NOTES ON ERYNGIUM. 
By James Britren, F.L.8., ann E. G. Baxer, F.L.S. 
(Puate 411.) 
Tue following notes are the result of an examination of some of 
the species of Eryngium in the National Herbarium. 
I, Norra American SPEcIEs. 
UM Aprene um L. . Lh 282 as ae This name is 
Fe ig & 
adopted the name e yuccifolium of Michaux (usually spelt te 
but that pee quotes the second, not t t edition of the 
Species Plantarum, and the views of Dail ag is evell known, had 
materially altered between the dates of publication of the two 
editions. A careful investigation of the synonymy and of the 
Linnean types has convinced us that the aquaticum of ed. i. is not 
the yuccifolium of Michaux 
he description of the plant in Sp. Pl. ed. i. stands as fol- 
OWS :— 
‘‘aquaticum. 2. Hrynerum —_ gladiatis serrato-spinosis: floralibus 
vis 
Eryngium foliis gladiatis utrinque laxe serratis : 
s tantum dentatis subulatis. Gron. virg. 
B. Eryngium lacustre virginianum, floribus ex pre 
ceruleis, caule & foliis ranunculi flammei mi- 
ists. Pluk. alm. 137. [Phyt. 896, fig. 3) 
Habitat in Virginia 2.” 
In the Linnean Herbar rium this name is represented by two 
water gies digetbie Som —_ having written on it “ aquaticum 
the second the figur “2 both in Linneus’s hand. The 
bees ee: in Gerais 3 hand the number “500” followed by 
the phrase from eae which Linneus quotes for his variety PB: 
to this Linneus added a note all of which we are not able to 
read, but which janes to show that ie thought His specimen 
enet. c 
the Ww own as 
ronovian specimen is doubtless that referred to 
Hort “Clif, 88 (n. 5) as ‘“‘nobiscum a D. D. Gronovio communi- 
establishing his aquaticum. The only synonym he cites ef that of 
Gronovius (Fl. Virg. p. 146), where “ Eryngium aquaticum m floribus 
albis Clayt. n. 500” o quoted by Gronovius as a synonym—the 
Journan or Borany.—Vou. 88. [Juny, 1900.] : 
