SILYBUM.—ARNOSERIS. 185 
calcareous pastures. 8. Saffron Walden, Essex. Mr. G. 8. Gib- 
son. P, VIT.—IX. 
11. C. Lage es (L.); 2. elasping not decurrent glabrous 
above white and downy beneath lanceolate serrated fringed with 
minute prickles, root-l. with long stalks clasping at the base, in- 
volucres ovate slightly downy, phyll. ovate or lanceolate acumi- 
nate adpressed.— £. B. 675.—Root creeping. St. 3—4 feet high, 
furrowed, cottony, slightly branched above. Heads large and 
handsome. L. very large, undivided.—Moist mountain pastures. 
P. VII. VIII. 
Section 5. SILYBEA. Filaments monadelphous. Pappus 
in many rows. 
32. Sitysum Gaert. Milk Thistle. 
1. S. marianum (Gaert.).—Cardwus Sm:, E. B.976.—St. 3—4 
feet high, ribbed and furrowed. _L. very large, oblong-lanceolate, 
wavy, clasping; radical 1. pinnatifid, usually variegated with green 
and milk-white. Heads large, globose. Phyll. closely adpressed 
below, leaflike, with a long terminal recurved spme. Florets 
purple, their tube very long.—Waste places. , B, VI. VII. 
Suborder 2. LIGULIFLORA. FI. all perfect, ligulate. 
Tribe V. Cichoriee. 
Style cylindrical above and, with its long obtuse branches, 
equally pubescent. Stigmatic lines prominent, narrow, termi- 
nating below the middle of the branches. 
Section 1. LAPSANEAS. Receptacle naked. Pappus 0. 
33. Lapsana Linn. 
1. L. communis (L.); 1. dentate or lobed stalked, lower 1. lyrate, 
involucres glabrous angular, st. panicled.—F. B. 844.—St. and 
1. hispid or nearly glabrous. St. 1—3 feet high, branched above. 
Heads small, with yellow florets, in terminal panicles with small 
subulate bracts at the subdivisions. Involucre of the fruit erect. 
—Waste and cultivated land. A. VII. VIII. Nipplewort. 
Section 2. HYOSERIDEZ. Receptacle naked. Pappus 
like a crown, of many entire broad scales. 
34. ARNOSERIS Gaert. 
1. A. pusilla (Gaert.).—Lapsana Sm., E. B. 95.—St. 3—8 in. 
