440 Oedeb 70,-rCOMPOSIT^. 



the involucre. — 21 Rhizome tuberous. Lvs. alternate, Viery densely 

 tomeratous beneath, decurrent into the wings of the stem. Hds. sessile, 

 densely crowded into a woolly terminal spike. (Conyza, Mx.) 



P. pycuostdchyum EIL St. simple; Iva. lanceolate, finely serrulate, smooth 

 above ; spike continuoas. — Sandy soils, S. Car. to Fla A curious- plant, 2 to 3f 

 high. Lvs. a finger's length, dark green above, creamy-white beneath, as are also 

 the wings of the stem. Spike 2 to 3' long. May — Aug. 



37. BORRICH'IA, Adans. Sea Ox-eye.' (Dedicated to Olof Borrich, 

 a Danish botanist.) Heads radiate, many-flowered ; rays S , fertile ;. 

 scales imbricated, the outer leafy ; receptacle flat, chaffy^ the chafi^, 

 rigid, persistent ; achenia 4-ang«lar, crowned with a 4-toothed pappus. 

 — Shrubby maritime plants with opposite lvs. and solitary, yellow hds. 

 (Buphthalmum, L;) 



B. fmtesoens DC. Minutely canesoent downy ; lvs. lanceolate and oblanceolate 

 obscurely repand-toothed, slightly connate at base, chaff of the recept. cuspidate 

 with a rigid point. — Va. to Ma. St. 1 to 3f high. Lva. 2 to 3' long, rounded 

 at the end. (with a cuspidate point), varying to linear, the upper alternate. Jn. — 

 Oct. 



38. ECLIP'TA, L. Head many-flowered ; ray fls. ? numerous nar- 

 row ; disk ^ tubular, mostly 4-toothed ; scales 10 — 12, in 2 rows, 

 leafy, lance-ovate ; receptacle flat ; chaff bristly ; aehenia somewhat 

 angular or 2-edged ; pappus 0. — (I) Herbs strigose with dgid hairs, erect 

 or procumbent. Lvs. opposite. Heads axillary and terminal, solitary. 

 Fls. white. (Fig. 328.) 



E. erecta L. St. often decumbent ; lvs. lanceolate or lance-oblong, tapering to 

 each end, subsen-ate ; peii. longer than the heads ; scales or haves of tlie involucre 

 acuminate. — Damp soils, Md., Ohio, and 111., S. to Plor. Stem often rooting at 

 the lower joints, 1^ — 3f long, with an elastic, thread-like fiber. Leaves 1 to 2' 

 long, rough, obscurely tripli-veined. Heads small, with minute flowers and short 

 rays. The juice turns black, and is said to dye wool black. Jn.-^Sept (E. 

 procumbens arid braohipoda, Mx.) 



39. POLYffl'NIA, L. Leaf-cttp. (The name of one of the ancient 

 Muses;, why applied to this plant is not obvious.) Heads radiate. In- 

 volucre double, outer of 4 or 5 large, leafy scales, inner of about 10 

 leaflets, concave ; ray-flowers pistillate, few ; disk sterile ; receptacle 

 chafiy ; pappus none. — 2[ Clammy herbs. Lvs. opposite. Fls. yellow. 



1 P. Canadensis L.' Visoid-villoas ; lvs. denticulate, petiolate, acuminate, lower 

 pinnatifid, upper 3-lobed or entire, rays shorter than the invol. — A coarse, broad- 

 leaved, hairy-viscid plant, 3 — 5f high, Can., N. Y. to 111., and the mts. of Car. 

 Stem with opposite leaves and spreading branches. Mowers light-yellow,_the 

 rays short, surrounded by the concave leaflets of the double calyx in such a man- 

 ner as to form a sort of cup, hence called Leaf-oup. Leaves feather-veined, 3 — 8' 

 long, and nearly as wide, lobes deeply divided and acuminata Heads J' diam. 

 June. 



2 P. uvedalia L. Hairy and rough, stoat ; lvs. 3-lobed, acute, decurrent into 

 the petiole, lobes sinuate-angled; rmjs 1 to 12, much longer than the involucre. — 

 In highland woods. Stem 3 — 6f high. • Lower leaves very large. Flowers large, 

 yellow, the rays oblong, obtuse. Jl. — Neither of these t)lants has been found in 

 K Eng., and they are rare in K Y., but not uncommon in the W-^ and S. W. 

 States. 



40. CHRYSOG'ONUffl, L. (Gr. xp^oog, gold, ydw, knee ; the goldp 

 flowers at the joints.) Heads manyTflowered, radiate ; rays about 5, $ , 

 fertile, disk ij but sterile ; scales in 2 rows of about 5 each, the outer 



