178 45. COMPOSITE. 



procumbent before flowering, phyll. ovate glabrous with a scarious 

 margin, E. B. 338. Barren st. csespitose. Flowering st. slen- 

 der, 1 2 feet long, ascending when the flowers appear, leafy, 

 smooth. Florets vellovv, those of disk sterile; involucre purplish. 

 Sandy heaths in Norf. and Suff., rare. fBelfast. P. VIII. IX. 



E.I. 



3. A. vulgaris (L.) ; heads ovate heterogamous, I. woolly and 

 white beneath pinnatifid wn'M lanceolate acuminate cut and serrated 

 segments, phyll. woolly. E. B. 978. St. 23 feet high, erect, 

 leafy. Clusters leafy, nearly simple, erect. Fl. few, reddish or 

 brownish yellow. Waste ground. P. VII. IX. Mugwort. 



4. A. maritima (L.) ; heads oblong, florets few all perfect, L 

 downy pinnatifid with linear obtuse segments, phyll. oblong outer 

 woolly inner scarious. E. B. 1706. St. recumbent or ascend- 

 ing, woolly, much branched. Florets reddish-yellow. Racemes 

 drooping. /3. A. gallica (Willd.) ; racemes more dense, heads 

 erect. E. B. 1001. y. A. salina (Willd.); racemes unilateral, 

 heads drooping. Salt marshes. P. VIII. IX. 



[A. ccerulescens (L.); heads oblong, fits, few all perfect, I. 

 hoary lanceolate undivided pinnatifid on the barren shoots. 

 E. B. 2426. Boston. Isle of Wight. Not a native. P. VIII. 



IX.] 



18. (19.) TANACETTTM Linn. Tansy. 



1. T. vulgare (L.) ; 1. bipinnatifid, Its. serrated. E. B. 1229. 

 Heads in a terminal corymb. Fl. golden-yellow. Fr. with an 

 entire crown. St. 2 3 feet high. Way-sides. P. VIII. 



Section 3. GNAPHALTEJE. Heads homogamous or hete- 

 rogamous, discoid. Anthers with appendages. Branches of the 

 styles of the hermaphrodite florets truncate. Pappus pilose or 

 setaceous, rarely 0. 



19. (13.) FiLAGoZmw. Cudweed. 



1. F. germanica (L.); cottony, st. proliferous at the summit, 

 1. lanceolate wavy acute, heads obscurely 5-angled half sunk in 

 tomentum forming axillary and terminal clusters not surrounded 

 and overtopped by L, phyll. longitudinally folded linear cuspidate 

 with glabrous points. Gnaphalium Sin., E. B. 946. Grey. St. 

 erect or ascending, 4 12 in. long, usually simple below, bearing 

 a solitary terminal cluster of heads, afterwards producing from 

 just below it 2 erect branches which are again proliferous. Heads 

 20 40 in each cluster; re-entering angles obsolete; 1. nearest to 

 the cluster much narrowed upwards and acute. Tips of phyll. 

 yellow, rarely reddish. Dry fields. A. VII. VIII. 



