424 
SYNGENESIA. EQUALIs, 
_ eies of Lectuca and Leontodon, to this substance must be 
attributed the real or pretended efficacy of these plants 
against the bites of poisonous reptiles. From this circum- 
stanee arose ihe name of ScorzonerRa, a genus suffir — 
_iently abundant in the South of Kurope, the name of 
which is nothing more than a corruption of the Spanish 
word escorze, a viper, the plants of this genus having been 
popularly administered as remedies for the bite of that 
animal, hence it is called also “ Viper’s-grass.” 
529, LACTU CA. L. (Lettuce.) 
innbiicndot cylindric, margin (of the 
: * septa menibranaceous. Receptacle naked. 
~ Pappus simple, stipitate. Seed even, 
_ Vegetation partly similar to that of Sonchus.. Flowers 
yellow, more rarely blue. 
Spscties. 1. L. elongata, L. longifolia? Mich. 2. * hirsuta. 
Muhl Catal. Lower part of the stem and leaves hirsutely 
pilose, radical ones lyrate, segments truncate, subden- 
tate, the upper leaves partly runcinate-pinnatifid; flowers 
racemose, squamz subulate. Han. In Pennsylvania. Pap- 
pus stipitate. vs. In Herb, Muhl. 3. graminifolia.- 
4. *integrifolia. Leaves subamplexicaule, ovate-oblong, 
allentire, smooth; panicle few-flowered, branchlets squa- 
mose; flowers large and blue. J. oblongifolia. T. N- in Fras. 
Catal. Semele puteheltua. Pa 2 pe SU2—Has. On the 
alluvial soils of the Missouri and the lesser streams, 
‘the Arikarees to the Mountains. Allied to Sonchus 
or - sitiricns, but the pappus is stipitate. Ops. Root peren- 
vita nial. ‘Stem Land a half, to 2 feet high, | 
iding irregu- 
—_ above into a few flowered, fastigi le. Leaves 
on 7 very entire below, an irreg ular, 
“elongated: oblong form, stem leaves so nes With a 
single setaceous tooth at the base. rs about the 
size, and nearly the colour, of those of Cichorium Intybus. 
~~ -Calix eviindric. Flowering in August and September. 
onal a _ sessile. 
Fixcepting the above, almost exclusively an Furopean 
us containing 22 spec.es. Scarcely a setsest group, 
in Sa ate ‘The native i Ssh 
 Calix iinet 2 ‘ventricose. Recep 
Sinan 
