PULICARIA. BIDENS. 173 



3. /. crithmoides (L.) ; phyll. linear taper-pointed, L fleshy 

 linear obtuse or with 3 points, fr. terete. E. B. 68. St. about a 

 foot high, slightly branched near the top, each branch terminating 

 in a solitary head with an orange-coloured disk and yellow rays. 

 On rocks and in muddy salt marshes by the sea. P. VII. VIII. 

 Golden Samphire. 



10. (11.) PULICARIA Gaert. 



1. P. vulgaris (Gaert.) ; L lanceolate wavy narrow at the base 

 and somewhat clasping, st. much branched downy, heads lateral 

 and terminal hemispherical with very short rays. Inula Pulicaria 

 Sm., E. B. 1196. St. 612 in. high, leafy. Heads small ; florets 

 yellow. Fr. terete. Outer pappus setulose-lacmiate. Moist sandy 

 heaths. A. VIII. IX. E. 



2. P. dysenterica (Gaert.) ; I. oblong cordate at the base clasp- 

 ing obsoletely toothed downy beneath, st. panicled woolly, heads 

 axillary and terminal corymbose, rays much exceeding the disk. 

 Inula E. B. 1115. Floccose. St. 1218 in. high, leafy. 

 Heads larger than in No. 1, bright yellow ; fr. angular. Outer 

 pappus cuplike, crenulate. Damp places. P. VIII. IX, Flea- 



oane. 



Tribe III. Senecionea. 



Style of the hermaphrodite florets cylindrical with long linear 

 branches terminated by a bunch of hairs or sometimes extending 

 beyond the hairs into a short cone or elongated appendage. 

 Stigmatic lines broad and prominent and extending as far as the 

 hairs. 



Section 1. HELIANTHE^E. Heads usually heterogamous 

 and radiant, or homogamous and discoid. Anth. without ap- 

 pendages. Receptacle paleaceous throughout or only near the 

 margin. Cor. of the hermaphrodite florets with thickened lobes. 

 Pappus aristate in our plants. 



11. (23.) BIDENS Linn. 



1. B. tripartita (L.) ; I. stalked 3-partite, segments lanceolate 

 serrate, fr. obovate-cuneate usually with 2 bristles. E. B. 1 113. 

 R. xvi. 941.. St. 13 feet high, with opposite branches. L 

 narrowed into winged footstalks, sometimes undivided, some- 

 times pinnate-5-fid. Heads terminal, solitary, slightly drooping. 

 Florets brownish-yellow. /3. radiata; with radiant 3-toothed 

 marginal florets. Marshy places. A. VIII. IX. 



