154, 
COMPOSITE. 
ones, converging, at length refiexed. Receptacle sometimes 
slightly pilose. Fr. obovate compressed striated. Pappus 
of 2 rows of minute erect chaffy scales. 
*** Receptacle scaly. Pappus feathery. 
37- Hypoch^eris. Heads many-flowered. Involucre oblong, 
imbricated. Fr. glabrous, muricated, often beaked. Pappus 
in 2 rows, outer short and setaceous, inner long and fea- 
thery. 
38. Achyrophorus. Pappus in 1 row, feathery. Otherwise 
like Hypocharis. 
**** Receptacle without scales. Pappus feathery, or on the 
exterior fruits scaly. 
39. Thrincta. Involucre oblong, in 1 row, with a few ad- 
ditional scales at the base. Receptacle punctured. Fr. 
beaked. Pappus in 2 rows ; outer setaceous, deciduous ; 
inner longer, feathery, dilated at the base. Marginal row 
of fruits enveloped in the scales of the involucre, scarcely 
beaked and with a short croicn-lilce fimbriated pappus. 
40. Leontodon. Involucre subimbricated, exterior scales 
much smaller in 1 — 3 rows. Receptacle punctured. Fr. 
uniform, slightly beaked. Pappus of all thefr. in 1 rows; 
outer setaceous, persistent ; inner longer/i?a//(ery dilated at 
the base. 
41. Oporinia. Involucre subimbricated, exterior scales much 
smaller in several rows. Receptacle punctured. Fr. atte- 
nuated, uniform. Pappus of all the fr. in 1 row , feathery , 
dilated at the base. 
42. Tragopogon. Involucre simple, of 8 — 10 scales con- 
nected at the base. Receptacle punctured. Fr. longitudi- 
nally striated, with a long beak, areola lateral. Pappus in 
many rows, feathery, interwoven in the ray. 
43. Picris. Involucre of 1 row of equal scales, with unequal 
linear often spreading scales at the base. Receptacle dotted. 
Fr. terete, transversely striated, constricted or slightly beaked 
above, areola terminal. Pappus in 2 rows, feathery, external 
row subpilose. 
44. Helminthia. Involucre in 1 row of equal scales, sur- 
rounded by 3 — 5 leafy loose bracts. Receptacle dotted. Fr. 
compressed, transversely rugose, rounded at the end and 
with a slender beak longer than itself. Pappus in several 
rows, feathery. 
