218 
45. COMPOSITJC. 
those of the lower heads longest. Heads usually with much 
wool, twice as large as those of A. minm. Fr. dark brown 
with a few paler spots towards the top. [a form with densely 
tomeutose hcad:j is A. interm. var. ^ubiomentusum Ar. Benn.] — Waste placeS- 
B. VIII. E. I. 
Section 2. SERE A TU LE^E. — Heads many-Howered ; ilowers 
all tubular, perfect or dioecious, the external row sometimes 
female. Involucre of many rows of distinct phyllaries. Fila- 
ments distinct. Pappus In inani/ roirs of different lengths, inner 
row fo/iyest, Itairlike or featherii, .surrounded hi/ a margin. 
28. Serrat'ula Liim. em. Casf. Saw-wort. 
1. tinctdria (L.) ; 1. with bristly serratures pinnatifid or 
lyrate, heads oblong, phyll. ovate adpressed, inner <mes linear 
coloured. — S'//. E. B. 704. St. 3. 16.— St. 2—3 feet high, straight, 
erect, angular, branched above. L. rarely entire. Fl. purple. — 
a : heads stalked in a lax corymb. — p. S. monticola (Bor.) ; heads 
subsessile few large close together. E. B. 38. A curious 
dwarf form in Lizard district. — Groves and thickets. P. VIII. 
E. S. 
Section 3. CENT A U RE^E. Heads many-flowered, discoidal ; 
outer row of fl. usually barren, enlarged, irregular. Phyllaries 
in many rows. Filaments distinct. Pappus in mani/ rows of 
diffei'ent lengths, second rov longest. setaceo-j:»'lose, placed m'f '/iin 
the margin >"hich surrounds the epigi/nous dixk, rareii/ 0. 
29. Centau'rea Linn. em. Less. Knapweeil. 
* Phyll. vjith a scarious pectinate not decurrent appendage. 
tl- C. Jdcea (Jj.) ph i/ll.-'ij)/>etuhges erect rounded, pappus 0, 
1. linear-lanceolate lower 1. broader and toothed. — E. B. 1678. 
— Outermost phyll. with deeply jjinnatilid appendages, few 
innermost entire, the rest irregularlyjagged. — Heads radiant. — 
Near Hastings, E. S. Bloomfield. J. of Bot. xxii. 248. P. VIII. 
IX. ■ E. 
2. C . nljj ra (L.) ; phyll. -appendages patent or erect lanceolate 
or ovate-lanceolate pectinate their teeth subulate, i)appus 0 or 
.short deciduous, 1. lanceolate or ovate-lanceolate acute. — St. 
I — 2 ft. high. L. green ; lower narrowed into long stalks, entire 
or sinuate-dentate ; upper sessile. Heads globose. Few inner- 
most ])hyll. -appendages torn. Fr. oblong, downy. ^ — a; phyll. - 
appendages erect or patent ovate-lanceolate usually quite 
covering the phyll. their teeth long. E. Ji. 278. Mart. Fl. 
Rust. 130. R. XV. 761. St. usually witli long I -headed 
