446 Erwin Schulze, 



2. PRENANTHES. 1721 Vaülant, Act. Par. p. 193. 



Involiicrum cylindricum, phyllis 6-8 imbricatis, ex- 

 terioribus brevioribus; llores quini uniseriales; nux coni- 

 pressa erostris; pappus mollis niveus radiis simplicibus. 



1. P. imrpurea glabra; foliis cordata basi amplexi- 

 caulibus dorso glaucis, inferioribus obovatis aut oblongis 

 basin versus angustatis, dentatis, superioribus lanceolatis 

 acuminatis integerrimis; anthomatiis paniculatis primo nu- 

 tantibus; involucri phyllis interioribus lineari-oblongis; co- 

 ronis purpureis. 



Lactuea silvatica purpureis floribus. 1561 Gesner ap. 

 V. Cordum bist, stirp., 1. 2 c. 61. 



Lactuea sylvestris sQvd^Qdvi^e^og. 1588 Thal sylva 

 herc, p. 75. 



Chondrilla purpureo flore radice crassa. 1588 Came- 

 rarius hört., p. 40. [1906 E. Schulze, ZN v. 78 p. 176.] 



Sonchus laevior pannonicus 4., purpureo flore. 1601 

 Clusius rar. pl. bist., p. 147. 



Sonchus montanus purpureus tetrapetalus. 1616 Columna 

 ecphr., V. 1 p. 244. 



Lactuea niontana purpurocaerulea, major et minor. 1623 

 C. Bauhin pin., p. 123.2 sp. 3 et 4. 



Lactuea silvatica purpurea. 1651 J. Bauhin bist. pl.. 

 V. 2 p. 1005. 



Chondrilla sonchi folio, flore purpurascente, major et 

 minor. 1700 Tournefort inst., p. 475. | 1745 Eupp fl. jen., 

 ed. Haller, p. 206. 



Chondrilla angustissimo longissimo integroque folio. 

 1709 Jussieu, Act. Par. 



Prenanthes angustifolius, flore purpureo. 1721 Vaillant, 

 Act. Par. p. 193. 



Prenanthes tcnuifolia. 1763 Linnaeus sp. pl., ed. 2, 

 p. 1120 sp. 1. 



Prenanthes purpurea. 1763 Linnaeus sp. pl., ed. 2, 

 p. 1121 sp. 3. I 1844 Koch syn. fl. germ., ed. 2, p. 494. | 

 1848 Garcke fl. hal, v. [1 n. 655 p. 280-281. [ 1849 

 Meyer fl. han. exe, p. 321. | 1864 Ascherson fl. brandenb., 



