MIMOSE.E ROSACEA. 77 



Genus XLII. ACACIA. 



Flotirrs polyg^amoiis. C(i1ij.i' 4.t()()tho(l. Petals slightly 

 uiiiteil at the haso. Stamens ll>, inserted mto the hase ol* the 

 corolla. Legume l-celled, many seeiled. Plants with hi pin- 

 nate leaves ; leaflets nutneroiis. Flowers in heads or spikes. 



1. A. LuTEi. tSlem herbnccous, procumbent, unarmed, pubescent, with 

 nngular branches; stipules nearly subulate, petioles without glands. Leaf- 

 lets linearoblonc: ciluUe. Flowers ox\ axillary peduncles, in oblong heads ; 

 calyx deeply clift; petals ovate acute. Ligumes stipitate, compressed, about 

 hali( an incli long. 

 Yellow. '2^ 



V '.< — The Onlor Lesjumindsae is nut' of tlie inosi exiensivp and important. 



h ) metJiciue and ilio arts its lull pro|)»irtion of the sulisliiiices derived wxw the 



Veil I I. iviHizdom. In the Pea and Bean il uifDrds iwn iinjviriani articles of ftKK),and 

 In p«Mni 111 l'»\iuiv Mianv nf its prinluctiDns an- starcely rivalled. Ainonc the int'Sl im- 

 ponani arlult^ >>f the Afateria i\Iedic;» ileriveil fmm this Order are the curns Trugacunth 

 Arabic and Kino, Seiina, Tamarind, I'atrchu from a sjiecies of Acacia, Drapon's BKK)d, 

 Cowha.'i fr Ml the l>>liclu>s prurieus, arid Balsam C'opaiva, and Tolu. Jo the arts it af- 

 fords 1 _ wtuni, Kosesv\>i>d, a species of iMimosa, iiandal wood, d(c. As food for 

 luen an us, the Pea, the Beaii, Clover, Lucerne, &.c. 



Okdkr XLI. ROSACE/E. 



Sepals usually 5, more or less united, persistent. Petals 

 5 pcrigynoiis, occasionally ahsent. Sta7ncns nimierous, in- 

 serted into the lininji ol" the calyx. Ocaries solitary, or sev- 

 eral. sometimes united with the calyx, or with each other. 

 Seeds anatropou.s. Ijcaves alternate, stipitate, simple or com- 

 pound. 



Gexus I. CHRYSOBALANUS. 



Cahjx O-cIeft persistent, cttmpanulate, with neaily equal 

 segments. Petals 5. Stamens numerous, those next the ova- 

 ry usually shortest and Kteiile ; ovary sessile ; ovules 2. 

 Fruit a drupe, with very little pulp, l-sceded. Shrubs with 

 flowers in terminal or axillary paniculate cymes. 



1. C. Obi.o.ngifolivs. Stem slender, prostrate, branching. Leaves nearly 

 sessile, ubi«>ng, or lanceolate-oblong, slightly crenulaie glabrous or fomentose 

 beneath, f'/oioera small, tenninaL Pe/«i« nearly round! Prui^ oblong about 

 1-meU in length. 



White, h- May— June. Ga. and Ala. 1-2 fi. 



>* 



GEir?s II. PRUNUS. • 



Calyx 5-parted, somewhat iirccolate. Petals spreading, 

 unguiculate. Stamens numerous. Ovary with 2 pendulous 

 ovules, glahrous. Frvit an ovate drupe, fleshy, with a com- 

 pressed nucleus. Imvin^ grooved margins. Small trees and 

 shruhs. Leaves with a convolute vernation, !»errate. Flow- 

 ers usually api>earing before the leaves. Plum. 



1. P. Amekica.xa. Stem smooth with long flexible branches, the old 

 branches somewhat rough and thornv. Leave* ovate, or oblony-ovute, acu- 



■ 7* 



