498 



SYNGENESIA iEttUALIS. 



59s. PRENANTHES. Gen. pi. 1236, 



juncea. 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. U. v. s. Flowers pur- 

 ple j it has a striking resemblance to Chondrll la juncea; 

 but the leaves are shorter, and the pappus entirely ses- 

 sile ; the radical leaves I have not seen. 



aliissima. 2. P. caule ramoso, foliis trilobis petiolatis angulatis denti- 



culatis margine scabris, racemis axillaribus, floribus 

 nutantibus, calycibus sub-5-floris. — JFilld. sp. pi. 3. 

 p. 153/. 



Icon. Pluk. aim. t. 317-/. 2. 



In shady woods : Canada to Virginia. It . July — Sept. 

 V. V. Flowers yellow. Generally a very tall robust 

 plant. 

 cordata. 3. P. caule superne paniculato, foliis petiolatis cordatis den- 



tatis ciliatis, fioralibus sessilibus oblongis integerrimis, 

 panicula laxa racemiflora, floribus nutantlbus, calyci- 

 bus t)-fidi3 G-Hons.— lFilld. hort. lerol. 25. 



In shady woods, about rocks ; New York to Virginia. 

 1/ . Aug. — Oct. V. V. Flowers pale yellow. It is 

 an intermediate species between the preceding and 

 P. alba, 

 v'lrgata. 4. P. glabra j caule simplicissimo, foliis omnibus lyrato- 



sinuatis, racemulis subsecundis, floribus pendulis, ca- 

 lycii)us glabris 8-fidis 10-fioris. — Mich. Jl. amer. 2. 

 p. 83. 



P. autumnalis. IValt.Ji. car. \Q3. 



In sandy fields, near ditches : New Jersey to Carolina. 

 1/ . 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. rulicunda. 

 simplex. 5. P. caule simplicissimo, foliis superioribus lineari-lanceo- 



latis integervimis, radicalibus lanceolatis sinuatis, ra- 

 cemo terminali simplicissimo, floribus nutantibus, ca- 

 lycibus sub-S-floris. 



P. virgata. IFilld. sp. pi. 3. p. 1533. 



In Carolina. Enslen. 1/ . July, Aug. v. s. in Herb. 

 Enslen. About two feet high 3 flowers purple. 



