AMBROSIA. 
569 
5 or 6 lines long, 3 or 4 broad, thickly clothed like the burr. of 
a Lappa with quite straight spines one line long, hooked quite 
at the tip, but, as the hooks turn inwards, not prehensile ; 
beaks distinct not contiguous or concrete, straight, but in dry- 
ing they become incurved or forcipate. Ach. 2, 1 in each cell 
of the excessively hard woody ovoidal olive-shaped fr., much 
the size and shape of apple-pips, elliptic-oblong compressed 
tipped with the hardened pointed base of the style smooth 
glossy dark grey, finely multistriate longitudinally, 4 lines 
long, 2 broad. 
tf2. Ambrosia L. 
tfl. A. ELATIOR L. 
Finely striguloso-pubescent ; st. erect simple virgate hard 
rigid leafy shortly and thinly tomentulose ; petioles ciliate ; 
1. solitary alternate stalked scabrous closely and minutely ad- 
presso-strigulose, dark gr. above, paler and cinerascent be- 
neath, loosely compound, the lower 2-3-pinnatipartite, the 
upper pinnatisect, the ultimate divisions lanceolate remotely 
gashed or toothed; heads in erect terminal and shorter axil- 
lary straight caudate or cylindric obtuse rac., the male su- 
perior numerous crowded stalked subpendulous ebracteate he- 
mispherical many-fld., the female inferior and remote or lax 
sessile bracteate sometimes closely agglomerate in small axil- 
lary tufts without male fl., br. 2 or 3 ovate acuminate or lan- 
ceolate entire leafy, as long as or twice the length of the fr. : 
inv. of male fl. liypocrateriform entirely combined or 2-3-par- 
tite, the margin subcrenulate ; fr. small hard obovate-urn- 
shaped irregularly tetragonal, crowned towards the top with an 
irregular circlet of 4-10 short erect conical pale points or spines ; 
beaks straight simply pointed parallel and closely contiguous 
or often partly concrete into a pale single bifid beak the length 
of the style, with the 2 long filiform stigmas protruding from its 
apex. — Linn. Sp. 1401 ; Pers. ii. 558 ; Spr. iii. 852 ; 1)C. v. 526. 
— Herb. ann. Mad. reg. 2, rrr. P ta do Fargo in a single small 
plot of cult, ground about £ mile above the Church bv the 
Vicar’s watermill, a little to the left of the road to Fajaa 
d'Ovelha, plentifully and quite naturalized. Julv-Sept. — First 
discovered by S r Moniz in 18(51. — In habit and foliage a good 
deal resembling Artemisia vulgaris L. but wholly scentless. 
Root woody much branched or clothed with fibres. St. mostly 
single simple 1^-2 ft. high, slender but hard and firm 
straight ribbed or angular pale mostly reddish or purplish 
on one side, thinly clothed with fine short cottony pubes- 
cence, sometimes per. woody and bushy with many branches 
from the base. L. in outline ovato-lanceolate 2-6 in. long in- 
cluding the slender petiole, 1-4 broad, loosely or subremotely 
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