GENUS LXXV. LACTUCA, 



S)-n. Pol. ^qualla. Sex: Systi 



Deriv. From Lac, milk, on account of the milky juice which; 

 exudes from the plants when broken. 



Gen. Char. Capitula few or tpahy-flowereJ : achaenia com^i 

 pressed, wingless, abruptly terminating in a filiform beak. — Herba- 

 ceous ; heads of flqwers panicle^ : involucre cylindrical, calyculate-» 

 ly imbricated, 2-4.-series : receptacle naked. 



(1) L. GRACILIS, (Dec. J 



Menu Dec. prod. VII. p. 140. 



Syn. Chondrilla gracilis, Wall. Cat. No. 377. 



Spec Char. Glabrous: stem crept, furrowed, leafy in the lowef 

 part, naked at the apex, dichotomously panicled : leaves linear- 

 lanceolate, acuminated at both ends, quite entire, 1 -nerved : panicia 

 lax, snhcorymbose at the apex: capitula 8-10-flowered : involucrQ 

 cylindric, niinutely c^lyoulate, 



Pundua, Silhet. 



GEN CIS LXXVI. TARAXACUM. 

 Sjm. Pol. ^qiialta. SfX: Syst: 



Gen". Char. Capitula many-fiowered : involucre double ; outer 

 scales small, adpressed,_spreading or reflexed, inner ones 1 -aeries', 

 erect, all often callosely horned at the apex : receptacle naked;: 

 achsenia oblong, 8t,riatedj muricated with the ribs or spinulose at the 

 apex, produced into a long beak : pappus pilose, many-series, quite 

 white. — Stemless perennials : leaves all radical, oblong, entire, s&iu- 

 jite or runcinately pionatiftd, usually gla^brous : scapes very often 

 1 -headed, piped : capitula yellow ; outer ligulap often, reddish- 



(1) T. Wallichii. (Z)e<?.) 



Ident. Dec. prod. VII. p. 147. 



Si/n. Leontodon glaucescens,. TFall. Cat. No,. 356. \ 



Spec. Char,. Glabrous, glaucescent : leaves radical, obtuserjr 

 pinnati-partite : lobes subdentate : scapes ascending about the length, 

 of the leaf: involucral- scales callosely horned at the apex, outer 

 ones small, squarrosely reflexed : achaenia pale, spinulosely mii^ricat^. 

 <jd at the apex, three times shorter than the leaf, 



Oude. 



