->S HORTUS JAMAICENSIS. 



W1LL>- 



tame space than those of the white, there being; frequently twenty-four pairs on each- 

 common pedicel, they are ovate-lanceolate, about one-third of an inch long and one 

 eighth broad at the base, tapering to a point. The leaves of both are alternate and con- 

 sisting of from ten to twelve pairs of pinnae, altogether about a foot long and nine 

 inches broad. 

 See Cacoo.ns, Cashaw, Gum-arabic, Inga-tuee, Nephritic-tree, Sensitive-plant. 



WILD-TANSEY. 4MBROSIA. 



Cl. 21, or. 5. Monwcia pentandria. Nat. on. Composite. 

 Gen. char. Male flowers compound, common calyx one-leafed ; corolla one- 

 petaled, trifid, funnel-shaped; receptacle naked: Female calyx one-leafed, 

 entire, the belly five-toothed, one- flowered ; no corolla ; nut of the hardened ca- 

 lyx one- seeded. 



HLATIOR. TALL. 



Ambrosia elatior foliis 'arlemisix ^ atrovirtntibtts, aspen's, odoratis, vein 

 lanugincsis Sioane, v, l, p. l _ 5. tirectaramcsa.jciiis ph.niuriam 

 divisis, laciniis crenato scnali>, racemis paniculutis ternunatibus. 

 Browne, p. 339. 



Leaves pinnaiifid ; racemes panicled, terminal, smooth. 



This is ail annual herbaceous plant, from two to three feet in height," upright, 

 and branched ; leaves bipinhatifid, with a very long point, nerved, wrinkled, somewhat 

 hirsute. Racemes composed of opposite branches, from four to six inches'in length, 

 fax, rather erect. Male flowers more numerous, approximating, nodding'; common 

 perianth five-toothed, cup-shaped, with very mifrute florets' in it; proper extremely 

 small, five-cleft ; corofla five-parted, the size of the caij x ; with ovate acute segments ; 

 filaments five ; anthers oblong ; the rudiment of a pistil rive or six smaller flowers in the 

 ray, their calyx five-cleft, their corolla consisting of five linear petals, no pistil, germ, 

 nor pericarp, but an upright, thick, pellucid" style, with a pencil-shaped stigma. Fe- 

 male flowers fewer, sessile, from three to six, a :i jatle ; no calyx except the minute 

 lanceolate leaflets between the germs; germ oblong, angular, style, two.- parted, stigmas 

 recurved, simple. Native of Jamaica, in barren^ sandy, and 1 rocky, situations^ by river 

 .sides, in the southern part of the island, flowering from February to June. It has the 

 appearance and taste of wormwood. Swartz. A single plant has been observed to 

 overspread a little rising bank of sand, twenty feefin diameter, h is common on the 

 dry sandy banks of large river courses, where :h i mould is washed away l>v the floods : 

 Browne savs it is a powerful Vulnerary and resolutive in baths and fomentations. Bar- 

 ham gives this the strange name of Oak oj Cappadi eta, and speaks of it as follows. "It 

 hath a strong, striati ', woody, solid stem, as big as one's little finger, {trowing about 

 three or 'our feet btgJT. Its leaves are cut and divided just as mug.vort leaves, but are 

 a little larger, of a very dark-green colour above, bat Underneath more pale ; and upon 

 the top twig come out a great many small muscous flowers, of a yellow colour, set close 

 together as in others of this kind. The fruit is an echinated or rough husk, just like the 

 fruit oitribulus ; and the seed is like grape-setd. The whole plant has a very strong 



smell, 



