13 11 OUT US JAMAICENSIS. ammaxnu 



AMBROMA. ABROrJA 



Cl. 18. OR. 2.' Polj/iuh'lphia dndccandria Nat. 0!t. Colinnnifow. 



This takes its name from a Creek word signiiying not fit for food. 



Gex. CTIAR. Calyx five- leaved; corolla five-petalled, claws ol)-cvRtc, .irched, in- 

 serted into the base of the nect;iry, wliich is short, pitcher sli;iped, and divided 

 into five seo'ments ; stamina five, menibranaccons, very small, growinp; on the 

 nectary; anthers on each filament tiirce, twin, kidney-form; the pislilium has 

 sub-cylindrical n;ermen, styles five, subulate, approximating, with acutt;. stigmas; 

 tapsule ovate, membranaceo-us, veined, five-winged, iive-beaked, five-celled, 

 gapin<T at the top into five parts ; partitions folded ; seeds many, sub-o^ate; no 

 receptacle. There are two species, one of which, the following, was iuifuduced 

 by Mr. East, in 1791, but is at present in u very sickly state. 



ANCUSTA. 



Leaves cordate orangular, sharply serrulate. 



The maple leaded amhroma is a ti-ee with a straight trunk, yielding a gum ^^lien rut, 

 an;l filled with a white pith like the elder. Some of th.e leaves are hcart-sliapod and 

 acuminate ; others angular, having five or seven lobes, wliich are acute, and the an- 

 terior ones most produced ; they are ail veined, alternate, green on both sides, but 

 paler underneath, and tlie petioles arc round. The whole plant is covered with stiff^ 

 whitish, shining, decumbent, bristles, scarcely visible to the naked eye, easily sepc- 

 rating, and stieking to the hands, but harmless. The peduncles arc generaily bifi;i 

 and bear two flowers. There is one stipule on each side to everj- petiole, but four at 

 the division of the peduncles, lanceolate and acute. The flower nods, is elegant, bui 

 ha.s little smell, and is dark purple. I-t is ])ropagated by cuttings. 



AiMnRO?:iA A'ei? Oak of Cappadocia. 

 Amfxlus Sec Star-wort. 

 American honeysuckf-e See Honeysuckle. 

 American nutmeg See Nutmeg. 

 Amekimnon --Jfe Jamaica ebony. 



i\^o English Name. AMMANNIA 



Cl. 4. OR. 1. Tetrandria movogynia Nat. or. Calycanthem<^. 



This was so named by Houston, in honour of John Ammann, professor of botany at 

 Petersburgh. 



Gen. ciLAK. The calyx is an oblong, erect, ])ell-shaped, perianthium, with eight 

 stri^, quadrangulated, eight toothed, and persistent; the corolla is eiilier want- 

 ing or consists of four ovate expanding petals, inserted in the calyx ; the stamina 

 are four bristly filaments the length of the calyx ; the anthera; are didymoij.s ; the 

 pistiUnm has a large ovate germen al)Ove ; the styles simple and very short, the 

 .stigma headed ; the pericarpiuni is a roundish four celled capsule, covered by the 

 calyx ; the seeds ai'e numerous and small. There are two species both natives of 

 Jamaica: 



I. LATIFOLU, 



