498 
juncea. 
altissima. 
cordata . 
virgata. 
simplex. 
SYNGENESIA JECtUALIS, 
598. PRENANTHES. Gen. pl. 1236'. 
1. P. caule virgatim-ramosissimo sulcato glabro, foliis cau- 
linis remotis subulatis brevissimis, ramulis unifloris, 
calycibus 5 -fidis 5 -floris : foliolis margine membra- 
naceis. 
On the banks of the Missouri. 11. v. s. Flowers pur- 
ple 5 it has a striking resemblance to C hondril la juncea - 7 
but the leaves are shorter, and the pappus entirely ses- 
sile ; the radical leaves I have not seen. 
2. P. caule ramoso, foliis trilobis petiolatis angulatis denti- 
culatis margine scabris, racemis axillaribus, floribus 
nutantibus, calycibus sub-5-floris. — Willd . sp. pl. 3. 
p. 1537. 
Icon. Pluh. aim. t. 3 i J.f 2. 
In shady woods : Canada to Virginia. l 1 . July — Sept. 
v. v. Flowers yellow. Generally a very tall robust 
plant. 
3. P. caule superne paniculato, foliis petiolatis cordatis den- 
tatis ciliatis, floralibus sessilibus oblongis integerrimis, 
panicula laxa racemiflora, floribus nutantibus, calyci- 
bus 6-fidis 6-fioris. — Willd. hort. lerol. 25. 
In shady woods, about rocks ; New York to Virginia. 
I/ . Aug. — Oct. v. v. Flowers pale yellow. It is 
an intermediate species between the preceding and 
P. alba. 
4. P. glabra 5 caule simplicissimo, foliis omnibus lyrato- 
sinuatis, racemulis subsecundis, floribus pendulis, ca- 
lycibus glabris 8-fidis 10-floris. — -Midi. Jl. amer. 2. 
p. 83. 
P. autumnalis. Walt.Jl. car. I93. 
In sandy fields, near ditches : New Jersey to Carolina.ll 
. Aug. Sept. v. v. From three to six feet ; flow- 
ers pale purple. This plant has a very fine effect in 
large plantations. Michaux quotes Gronovius ; but 
his P. autumnalis belongs to P. rubicunda. 
5. P. caule simplicissimo, foliis superioribus lineari-lanceo- 
latis integerrimis, radicalibus lanceolatis sinuatis, ra- 
cemo terminali simplicissimo, floribus nutantibus, ca- 
lycibus sub-S-floris. 
P. virgata. Willd. sp. pl. 3. p. 1533. 
In Carolina. Enslen. I/ . July, Aug. v. s. in Plerh. 
Enslen. About two feet high $ flowers purple. 
