Flex.cal. 39. COMPOSITE, A. 183. Crcpls. 425 



VIII. 183. CREPIS. Pliny. ^ Hawks-heard. 



Involucrum patulous ; scales many, falling off; pericline 

 becoming torulous bellied ; scales many, in one series ; 

 clinanthus flat, pitted ; pitts fringed on the edge ; akenium 

 streaked ; pappus sessile, hairlike, rough, white, falling off 



1. Crepis tectorum. Roof hawks-heard. 

 Leaves rather bald ; root-leaves lanceolate, runcinate, 



lobes ascending; upper leaves linear, threadlike, arrow- 

 shape, toothed, embracing the stem ; calathides corymbose ; 

 pericline downy. 



Hieracium luteum glabrum, sive minus hirsutum, Raii Syn. 165,9. 



Ilieracium Aphacoides, Ger. em. 297,4. 



Cichoreuip pratense luteum Isevius, Park. 778. 



Crepis tectorum, Lin. S. P. 1 135. 



Hedypnois tectorum, Huds. Fl. Angl. 341. 



Succory liawkweed. 



Fields and pastures ; annual ; June to September. 

 Stem branched, mostly bald, rarely slightly hairy ; leaves 

 light green ; calathides small ; corolla yellow. 



0. atteniiata. Leaves tapering to a point. 



y. integrifolia. Leaves not cut, or very slightly toothed, 

 lanceolate or ovate. 



^. pilosa. Stem hairy ; leaves linear, very narrow. 



2. Crepis hiennis. Biennial haivks-heard. 

 Leaves hispid, runcinately pinnatifid ; lobes ascending ; 



upper leaves sessile, lanceolate, toothed; keel hispid, prickly; 

 pericline downy, prickly, 



Hieracium maxin-jum chondrilJaa folio asperum, Raii Syn. 166, 12. 

 Crepis biennis, Lin. S. P. 1136. 

 Hedypnois biennis, Iliids. Fl.Angl. 342. 



Chalky pastures ; biennial; June and July. 



Stem 4> feet high, rough; lower leaves petioled; upper 

 leaves lanceolate, pinnated at the base; calathides large, 

 corymbose ; corolla yellow. 



IX. 184.. BARKHAUSIA. Moench. Castor-weed. 



BractecB awlshape, short, weak; peiicUne becomes angu-, 

 lar ; scales nearly equal, in one series, become keeled and 

 embrace the outermost akenia; calathidc many-flowered; 

 clinanthus rather flat, pitted; pitts fringed on the edge; 

 akenium slender, furrowed, rough ; pappus stipitate, haiiy, 

 rough ; tha|; of the circumference very short. 



