86 NEOPHYTOX. 



461. Trad, barbata var. trachiloma Raf. 

 Diff. Leaves and invol. rough or subciliolate on 

 the margins, two invol. very unequal. Ken- 

 tucky. 



462. Trad, canaliculata Raf. atl. J. p. 

 150. Ctuite smooth simple slender, leaves 

 slender linear narrow canaliculate, falcate um- 

 bel pauciflore, invol. short flat very unequal, 

 flowers smooth nodding. — In Kentucky and 

 Missouri; estival blue flowers, stem pedal, dif- 

 ferent from Tr. levigata by narrow hollow fal- 

 cate leaves few flowers &/C, described since 

 1832 in Atlantic Journal. 



463. Trad, rupestris Raf. atl. J. 150. 

 Simple smooth, leaves elongate narrow canali- 

 culate, umbel multiflore, invol. foliose divari- 

 cate very long, peduncles pilose — Cliffs of Ohio 

 and Wabash R. it has the leaves like the last 

 and flowers like 457. Estival pedal. 



464. Trad, brevicaulis Raf. atl. J. 150. 

 Stem simple very short flexuose, leaves much 

 longer narrow nearly flat carinate, sheaths tu- 

 bular cihate, umbel pauciflore, invol. similar to 

 leaves, peduncles and calix very pilose — Illi- 

 nois and Kentucky, stem 5 to 6 inches high, 

 flowers blue and small vernal. 



465. Trad, pumila Raf. Nearly stemless 

 quite pilose, scape l-2inches strait, leaves few 

 lanceolate ciliate, umbel multifl. 8-12fl. involu- 

 cres foliose subequal larger and broader than 

 leaves, pilose, peduncles filiform unequal pilose, 

 calix pilose — a very fine singular sp. found near 

 the Kentucky R. in abundance in a single spot 

 in 1821. Q,uite dwarf and with long soft hairs, 

 sometimes quite scapose, leaves longer than 

 stem radical commonly 2 with membran. 

 sheaths. Flowers quite large blue vernal. 



