A M B 



A M B 



where the' situation is dry; but where the. ground The characters are: that the male flower? are 



is wet, it should be raised eight or nine inches compound : the calyx is a eommcn, one-leat'ed, 



higher. In thi? bed, about the beginning of July, flat perianthiun), of the same length wuh the 



as" before directed, plant the roots about six or floscules : the corolla compound, uniform, tubu- 



eio-ht inches asunder each way ; and in the win- lous, equal, and hemispherical; proper, one- 



ter, when the frost begins, cover the bed with a petalled, tubulous, funnel-shaped, erect, quin- 



frame, or arch it over, and cover it with mats quefid : the stamina have very small filaments : 



and straw, to prevent their leaves from being 

 pinched bv cold. In the spring, the covering 

 fehould be entirely removed, and the bed kept 

 coustantly clean from weeds during the summer, 

 .-^tirrino: the suri'acc of the earth now and then ; 

 and annuallv, when the leaves are decayed, sitt 



autherse erect, parallel, and acuminate : the pis- 

 tillum has a filiform style, of the length of the 

 stamina: the stigma is orbiculate and membrana- 

 ceous : the receptacle is common, scarcely any, 

 naked. The female flowers are below the males, 

 and double : the calvx is a one-leafed, acuminate. 



a little fresh earth over them, to encourage the entire, permanent pcrianthium; the belly five- 



srrowth of the roots. toothed, and one-flowered : no corolla : the pis- 



The roots may remain in these beds until they tillum is a germ ovate in the bottom of the 



are of sufiicient strength to produce flowers, at calyx: the style fdiform, of the same length with 



which time they may be taken up and planted the calyx : stigmas two, setaceous, long, and di- 



in pots, as before directed, or be suffered to re- 

 main in the same beds to flow cr. These plants 

 do not flower aeain the succeeding year, as in 

 many other sorts of bulbous-rooted plants ; but 

 where the bulbs contain two buds in their cen- 



varicated : the pericarpium is a subovate nut, 

 formed from the calyx, hardened, one-celled, not 

 openins:, crowned with the five acununatc teeth 

 of the calyx : the seed single and roundish. 

 The species chiefly cultivated are : \. yl. ela- 



tres, as is often the case, they frequently flower tior, Xall Ambrosia; 2. A. arlorescejis, Tree 



twice in the course of about three years; after Ambrosia; 3. ^. OTffr///m(7, Sea Ambrosia, 



which the same individual root-bulb does not The first species, or Tall Ambrosia, rises from 



flower again in several years ; but this is performed two to three feet in height, upright and branched, 



by the offsets, which are taken from it at dltVer- The leaves are bipinnatifid. \\ ith a very long 



ent times. point, nerved, wrinklad, somewhat hirsute: the 



The eleventh species, or Ceylon Lily, is of a racemes composed of opposite branches, from 



tender nature, and must be treated in the same four to six inches in length, lax, and ratlier erect, 



manner as the Mexican Lily. It is not common The male flowers are more numerous, approxi- 



in the gardens in this country, as it is a plant mating, and nodding: the pcrianthium is conmion, 



which i'licreases but slowly by offsets from the five-toothed, cup-shaped, with very minute flo- 



roots. It usually flowers in June and July ; and rets in it : proper, extremely small, five-cleft: 



sometimes the same plant will produce flowers the corolla five-parted, the size of the calyx, with 



again in autumn if the pots be plunged into a ovate, acute segments : the filaments are five : 



bed of tanners' bark ; but the flowers are seldom the antheras are oblong; the rudiment of a 



of long duration or great beauty. pistil: five or six smaller flowers in the ray: 



Thetwelfthspeciesisalsoof the tender kind, but their calyx five-cleft : their corolla consisting of 

 mav be increased hv oflfsets from the roots, or by five linear petals, no pistil, germ, or pericarp, but 

 the bulbs which succeed the flowers. It should an upright, thick, pellucid style, with a. pencil- 

 be treated in the same manner as is directed for shaped stigma. The female flowers are fewer, 

 the Crinums ; the proper culture of which may sessile, from three to six, and aggregate : the 

 be seen under that head. calyx none, except the minute lanceolate leaflets 



All these bulbous-rooted plants, as being both between the germs : the germ oblong, angular: the 



curious and ornamental, deserve to be cultivated ; style two-parted : the stigmas recurved and simple, 



those of the more tender kinds affording much This is an annual herbaceous plant. It is a 



variety in the stove or greenhouse ; while the native of Jamaica ; and flowers with us in July 



more hardv sorts produce a pleasing effect in the and August, 



fronts of beds or borders in the garden or pica- The second species grows to the height of ten 



sure-gronnds. 



AMBER TREE. See Anthospermum. 



AMBROSIA, a genus comprising different 

 plants, chiefly of the herbaceous kind. 



It belongs to the class and order Monceda 

 Pentuiidria, and ranks in the natural order of 

 ('omposita'. 



or twelve feet, with a woody stem, dividing into 

 several branches: the leaves arc hairy, composed 

 of several winged lobes, placed alternately : the 

 spikes of flowers are single, hairy, and produced 

 at the extremities of the branches. Tlie female 

 flowers grow in small sejiarale clusters very distinct . 

 The third species rises about two feet and a 



