428 187,Hypochseris. 39. COMPOSITiE, A. Pl.ex.cal. 



scales of the pericline, falling off; akenium streaked; pappus 

 of the circumference sessile, in the centre pedicelled j rays 

 threadlike. 



Hypochceris glabra. Smooth cafs-tongue. 



Stem branched, naked ; leaves radical, toothlike sinuated, 

 bald. 



Hieraciutn parvum in arenosis nascens, seminum pappis densius radia- 

 tis, Rail Ryn. 166, 14. 



Hieracium glabrum, Lin. S. P. 1140. 



Sandy gravelly places ; annual ; June to August. 



Slem rarely simple, mostly branched, reclined ; leaves 

 shining, rarely fringed ; calatliides solitary, upright, small; 

 corolla lemon yellow. 



XIII. 188. THRICA. Roth. Thrka. 



BractecB few, short ; pericline 8-angled ; scales and mar- 

 gin dilated at bottom ; calatliides many-flowered ; corolla not 

 glandular at the tip ; mouth not hairy ; clinantlms dotted ; 

 dots hollow ; akenia of the circumference truncated at the 

 tip, involved in the scales of the pericline ; pappus chaffy; 

 akenia of the centre long, slender, free; pappus sessile, 

 feathered, rays unequal. — Leaves radical; calatliides soli- 

 tary, nodding before expansion; outer Jloivers of the cala- 

 thide reddish. 



1. Thrica hirta. Hairy thrica. 

 Leaves lanceolate, sinuately toothed, hairy; hairs simple; 



calatliides solitary ; pericline rather bald ; scales pointed. 



Hieracium pumilum saxatile aspcrum prteraorsa radice. Rati Syn. 167, 

 16. 



Leontodon hirsutiim, Lin. S. P. 1123. 



Hjoseris taraxacoides, Lamarcic Enc. Meth, 3, 159. 



Hyoseris hirta, Gtertner Sem. et Fr. 2, 373. 



Thrica hirta, IVilld. Sp. 3, 1555. 



Jledypnois hispidum /S, JIuds. Fl. Jtngl. 340. 



Hedypnois hirta. Smith Fl. Brit. 824. 



Apargia hirta. Smith Compend, 116. 



Heaths and commons ; perennial ; June to August. 



2. Thrica hispida. Bristly thrica. 

 Leaves lanceolate, blunt, toothed, hairy ; hairs forked ; 



calatliides solitary; pericline rather hoary, naked; scales 

 hairy. 



Hyoseris taraxacoides, ViUars DeJpli. 31G6. 

 Leontodon saxatile, Lamarck Encijc. Meth.3,53i. 

 Thrica hispida, Jiulh Calul. Jiul. 198. 



Stony and yuiitly placets perennial; July and August. 



