PL ex. cal. 39. COMPOSITiE, A. 183. Crepis. 423 
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-beard. 
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, Rail Syn. 165,9. 
Hieracium Aphacoides, Ger. em.291 , 4. 
Cichoreum pratense luteum la;vius, Park. 118. 
Crepis tectorum, Lin. S. P. 1135. 
Hedypnois tectorum, Huds. Fl.Angl. 341. 
Succory hawkweed. 
Fields and pastures ; annual ; June to September. 
Stem branched, mostly bald, rarely slightly hairy; leaves 
light green ; calathides small ; corolla yellow. 
/3. attenuata . Leaves tapering to a point. 
y. integrifolia . Leaves not cut, or very slightly toothed, 
lanceolate or ovate. 
3*. pilosa. Stem hairy; leaves linear, very narrow. 
2. Crepis biennis. Biennial hawks-beard. 
Leaves hispid, runcinately pinnatifid ; lobes ascending; 
upper leaves sessile, lanceolate, toothed; keel hispid, prickly; 
pericline downy, prickly. 
Hieracium maximum ehondrillas folio asperum, Raii Syn. 166, 12. 
Crepis biennis, Lin. S. P. 1136. 
Hedypnois biennis, Huds. 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. Mcench. Castor-weed. 
Bractece awlshape, short, weak; pericline becomes angu- 
lar; scales nearly equal, in one series, become keeled and 
embrace the outermost akenia; calathide many-flowered; 
clinanthus rather flat, pitted; pitts fringed on the edge; 
akenium slender, furrowed, rough; pappus stipitate, hairy, 
rough ; that of the circumference very short. 
