4fi8 



SYNGENESIA iEttUALIS. 



598. PRENANTHES. Gen. pi 123d. 



juncca. 1, P. caule virgatim-ramosissimo sulcato glabro, foliis cau- 



linis remotis subulatis brevissiimis, ramulis unifloriSj, 

 calycibus 5-fidis 5-floris : foliolis margine membra- 

 naceis. 



On the banks of the Missouri, if. v. s. Flowers pur- 

 ple 5 it hai a striking resemblance to ChondriUajwrtcea; 

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

 sile ; the radical leaves I have not seen. 

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



culatis margine scabris, racemis axillaribuSj floribus 

 mitantibus, calycibus snb-5-tloris. — Wiild. sp. pi. 3, 

 p. 1537. 



Icon. Pluk. aim. t. ?>\'].f. 2. 



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

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

 plant. 

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



tatis ciliatis, floralibus sessilibus oblongis integerrimis, 

 panicula laxa racemiflora, floribus nutantibus, calyci- 

 bus 6-fidis 6-floris. — JVilld. horl. lerol. 25. 



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

 11 . Aug. — Oct. V. V. Flowers pale yellow. It is 

 an intermediate species between the preceding and 

 P. alba. 

 v;rgata. 4, P. glabra 3 caule simplicissimo, foliis omnibus lyrato- 



sinuatis, racemulis subsecundis, floribus pendulis, ca- 

 lycibus glabris 8-fidis lO-floris. — Mich. Ji. amer. 2, 

 p. 83. 



P. autuinnalis. Walt.fl. car. \g3. 



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

 1/ . Aug. Sept. V. V. From three to six feet ; flow- 

 ers pale purple. 1'his plant has a very fine effect in 

 large plantations. Michaux quotes Gronovius ; but 

 his P. autum?ialis belongs to P. rulicunda. 

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



latis integerrimis, radicalibus lanceolatis sinuatis, ra- 

 cemo termiuoli simplicissimo, floribus nutantibus, ca- 

 lycibus sub-S-floris. 

 • P. virgata. WiUd. sp. pi 3. p. 1533. 



In Carolina. Enden. % . .'uly, Aug. v. s. in Herb. 

 Ensten. About two feet high ; flowers purple. 



