-IIa.M>I10(-ik OIO TrKES of TIIK NoilTUElIX S'L'ATICS AND C'aXADA. 44' 



b- Bi'loi-.' th.' IruM's ill \-,.ry oarly spviii;;. in fascicli^s fi-.na lalrnil biiils : fi-nil viiicuini;- iu 



r;n-|\- suilltlli'r 



c I''lo\v.'rs siilisrssilr. NNitimul pruils; i.vai-y (ouirnfdso ; Icav.-s dreiily l..bp(I. 



„ A. saccharinuiu. 



c- I- lo\ver.s witli yedicelK and [irlals ; o\ in-y Klaliruus : Iimm's nol" dceidy Idlicd and 



(ilaiiidns (iv ni'arly su limiralli A. rubruiu. 



Wliit.'-ii.nu'ntosc beneath A. Drummoudii. 



a J: inualely cxaaiHmnd ; Hciwei-s di.reinns A. Neguiido. 



F,ir .sprriix xrr /,,v. ,,' .' (-.f.;? . ail:l llir fnl Iu ir I u ,/ 



T)Rr\rM.iMi Mm'IK I,-,,- Itnnniin.iulii 11. i'^ A.: .1. riihni,,, vav. Dni iiniunirlii Sart;-. A 

 lai;.;;e rivr inlialnhn- deep ii\ei- swan'ps ef I lie Culf stales frnni Ceoi-ia to 'I'exas and u]! the 

 Mississi],|n \ alley rn s.aitlieasleni Missmna. where in a liiaited area it is fmiiid within tli" 

 tprrilory e.eer.'d by this work. L,,ir,., :;-l..bed. ei- som.. times ].ai'tiallv r.debed with sla.rt bioad 

 acute 01- aenminaie neaidy (ait ire lobes, cordate or riMinded at liase. thick and deiiseh' hoar\- 

 tomentose beneath, as are the iietioles and all new -rowlh. rioirns scarlet, in deiis;> hiicral 

 clusters, expandin- before ihe banes, with pedicels and )ieials. I''niit riiienin- in March or 

 .V-.uil with or b.d'ore ilic expandin- ol the Icives, liri;;ht scarlet samaras 1 L.-l'L. in. long wilh 

 wings ^ ..'''-i in. bmad and «illi slcmk'r ]i.Mli( els 1-2 in. Ioiil;'. 



HORSE-CHESTNUT FAMILY. HTPPOCAXT.W'ACE.E T. ,\xd G, 



Trees anil a few shrubs wilh ilbscinted bark, large liram lihds and buds, and of abotil 



eighteen species natixes . d' Xori h America and Asia and uroiipial in two .genera, A' xuiihix and 



BiUiii. the latter a geiuis of Mexico and ('eiitral Anierii'a. 



Lriirr^ ileiadiions, oi.]iosite, piciinlate, {ligiiately conipeund, wilh .'l-'d serrate baflcis, and 

 without stipules, Fhiirrix ap|iearing a I'tei- the |ea\es, coiis]ii(atons, polygamiais, in sliowy 

 terminal eyna^s or ]iaiiicles, only tlie lowaaanosi llo\\-i>rs giaierally fertile; jiedicel ,iointed ; calyx 

 campannlate with -"> tinei]nal lobes, imbricaleil in the btid : petals 4-."i. unequal, clawed; disk 

 hypogcnous, annular; stamens ."eS, nsnall,\ 7, nmaiual with elon.gate-d filitor-ri filainents and 

 introrse li-celled anthers longitnilinall.A' dehiscent ; o\ar,\" sessile, Ibeelled, \\-irh 2 ovules iu eatdi 

 cell: style slendiu-, ehuniated. <air\'ed, ami with trnaniiial stigma, S'nfit a coriaceous .'I-\-al\'ed 

 1-2-seeded capsule, locniicida Ih' dtdiiscent ; seeds lafL^e. round or irregnla!d,\- himis])heri('al with 

 smooth shinin.g browai coat, lar.ge jiaie liihnn, large thii'k un.'i|ual cotyledons, 2dea\-ed plumuli' 

 and remainin,g unilergrinind in germination, 



THE BUCKEYES AND HORSE-CHESTNUT, Gexus .TSSCl'LUS L, 



A genus of ten or twelve s]iecies of which four nalive and (Uie naturalized are represented 

 among' the trees of America, 'Pla^ characters are those of the f,iiiiilv. 



The name is the classical name cd' a kind of oak and t ransfened to this giaius. 



KEY TO TIIK SPEriKS, 



a Flow-ers wdiite ; winter liuils resin-c.iateil ; leaflets nioslly 7 A. Hippocastanum. 



a= Flowers vellow ; winter buds not resin-coaled; leaflets mostly .a; stamens 



Loin^ei' tliati |ietals : .ap-iiles s]nn\- at lea-t when young A. glabra. 



Shutter than petals ; .-aiisnles ipiite smooth A. octandra. 



Fnr xpcfiis srr ftp. ..i.^.S'-.i.}.). 



SOAPBERRY FAMILY, .SAPIXD.VCE.E R, Br, 



T:-ees, shrubs and a few" vims with wat.a-,\- .iuice and ehieH,\- ivmfincd to the troidcs of the 

 Old -^A'orld. Over a tiKuisand species are known grouped in about tweury genera. Of the 

 arborescent genera four are re|n-esenled in the Fnited States, all southward, 



Lcai<« alternate iu the .\ieerican representatives, peiiolate, pinnately or palmately com- 

 Dound without stipules. Flmr. r^ regular or slightl.v irregular, iHd.vgamons, daivions ; calyx 

 t.Vlobed or .livided, imbri.'ated in the bud; petals d-l. imbricated; disk annular fleshy : slaiaens 

 usuallv .--lO i-s.u-ted on tlie disk; anthers introrse, 2-celled, hmgitudiual v del, , sect ; oyarv 

 solitarv wilh --4 lobes and cells or entiiv ; ovules 1 or 2 in ea,-h .vll ; stvles terminal. I- ,;„t 

 a drupe or caiisiile wdih small solitary seeil and coiuainiiig in. albumen. 



THE SOAPBERRIES. Gkxus SM'IXni'S L. 



Trees and shrubs of wide distribution inainl.\ in tropical regions and nost abundant in 



Asia Their fruits contain a saponaceous .inicc winch makes a lallier in warm', like soap, 



for vhicli flie\" iii'e sometimes Used as a substitute, 'j'he horn.\- seeds of some species are used 



f • beads and Initlons, About forty sjiecies are known of which three are found in siaithcru 



TT •, 1 sjcites one ranging as far north as southmai Missouri. 

 United >t.u' . . *- 'I & .^ 



