HAXIJliuUK UF TeEKS of TllK XoRTFIETvN StATES AKD CaNADA. 441 



petals .1, whitf, spn-adiiis. dei-idnons ; staiiifiis immcrnus, iiistTtcd \Yilli the iietals on llie 

 calyx, with iwe filifonii liUmiciits ami oval ll-seeiled antliei's ; jiistil solitary witii l-c(d|pd 

 ovai'y, single teiaiiinal s(\le, rapitatc stic;nia ; o\-nles 2. suspended. Friiil a'l-secdeil diaiije 

 with liorny e..in|,u.ss,.,l jdi, tli,. seed suspended: .■otyledoiis Hesliy. 

 The name is tlie anriiait Lai in name of tlie I'luin-ln:. 



KEY T(l TIIIO Sl'KCllCS. 

 a Flowers in axillary nndiels exjiandiiig willi or liefore the leaves; pit more or less flattened 

 b I'etioles rather slendei' and Ion?;- Utinl cliirriia) 

 c Fruit mostly '- in. nr iiaoe in diaimder 



Lea\"es lailx'seenl lienratli : frnit sweet P. Avium. 



Fea\i's -l.ahrons ; fruil t;\rt P. Cerasus. 



c" Frnit about ', in. in di.ameti'r. very sour P. Peiiiisylvanic.i. 



b- I'elioh-'s slout and short {l'hiiiis\ 



c Fruit red or yellow and ahonl 1 in. or less loni; : Iraves ahrniilly aeuminate ami 

 d Ubo\-ate-olil(nis. tln<d<ish. dull and veins impress.'d ; ealyxdohcs 



(-Jlaljrons inside ; pit much compressed P. nigra. 



I'uhescent inside : iiit tur,qid P. Americana. 



d' Ovate-lanceolate to lanceolate, thinnish : idt tnrsid : ralyxdtjhes 



Pubescent both sides; fruit aiisteie with tliickish skin... P. liortulana. 



(llabrons ; frnit with thinnish skin P. angustif olia. 



c- Fruit d;irk blue willi bloom; leaves o\ate and pidiides mostly without ghaiids. 



P. Alleghaniensis. 



a- Flowers in terminal eor.vmbs appeariu,!? after the leaves P. Malialeb. 



a' Flowers in I'acemes tm-minating leafy branchlets ; leaves finely serralc 



b With slender sin-eading teeth ; lea"\'es thinnish P. Virginiana. 



b- With iniairved callous ti'elh ; leaves lhi<'kish P. serotina. 



a* Flowers mostly solitar.\- ; leaxcs ol)lon,g-lam'eol,ate ; fiaiit \'el\'cl,\- . . . P. Persica. 



Fur Xlirtirs sri pp. „'(;,'- _'N.; il ml IJl C fnl In ll' I II :/ : 



I'EAcii, I'niiiiix I'ci-sirii I L. I S. & Z. { Aiiii/niliiliiK I'crxirii L.I. The Peach 'vas early 

 introduced into this connliN fiom Ihii'oiie. coming oi-iginall,\' it is Ibougbt fi-om ('hina. ami 

 is found natni'alized in looalitics fitan sontlmrn X. Y. southward. ll is a small tri^e, oc(-asi(jn- 

 all,\' 1 ft. in diameter, willi baik exfoliating in laminalr scales. /.nirrs lanceidnte lo lamr- 

 oblon.g. 4-'i in. long. laiMoing ;ibouf r(juall,\' to both ends, scrrab'. glabrous; pctiides stoul. 

 % in. long. I'lijirrrs appoaring bnfore tlie ieaws. sidiiai'.w pink, \ai\ing in si7<' from ""u-'J ie 

 broad, scalyd>racted. Fruit a subglobose grooved drupe, \-elvety-tomenlose, with very liard 

 deeply pitted stone. 



PULSE OR PEA FAMILY. LEGUA[IN()S.E. 



A v.u-y large and imiiinaant family of trres, shiadis and lieibs ..f wide disiribution 

 throughout all temjierate .and ti'o|Ucal regions, ,generall.\- fri'c fi'om obnoxious jiroperlies and 

 many of its represiaitativi's of the greatest economio imiioi'lancr. There are alioul 7, Dim 

 species grouped in U'^arly d.'iO gi'uera, and of these seventeen have arboresi'Cnt representatives 

 in the Fnited States. 



Lrarcs alternate, usuall.\^ <'oiiuiouiid, willi slipulcs. Flmrrrs ivgular or papilionaceous 



and usnnllv perfect; stamons 1 ■ manv. with diadelphous is..midimcs ilislinct) hlamenls 



and i'-cell.-d anthers opening longitudinally; pistil solitar.w with one or several-celled superior 

 ovarv. Fru'it a legume. 



KEY TO THE (iEXEKA. 

 a Flowrrs regular or inipn-fr.-t ly i.apilioim.-oons ; lob.'s imbriialod in a'stivation ; stamens 

 with disliiict lilamellls; senls albnmeiioiis; llowers 

 b Impoi'fectlv papiliouao.'ous. perfc.'t ; legume lliin and Hal; leavi-s simple^ 



' .11 Cercis. 



b- Pcgnlar, rliir^cious oi' polygamous; lea\es 



Bipinm.lc- .alvx-Mibe elongatcl; stamens 1(1; pods thmk Gymiiocladras. 



• .1— 1.1.'. < — laHi-t-C'in 



TUilii iiinnnfc ;iii'l lii])in!i;i tr : slamniis 



i,]s iliin Gleditsia. 



n ; l(';i\cs (iiic(-'-|iinii;il r : srniin' 



a= Flowei-s p;i|.iliona.cous; s,-ods usually wilhoul albnmm ; leinos onoe-pnnian^; sranmns 



b Dislinct; flowers in long loose paniolcs Cladrastis. 



b^ Diadelphous; pod thin ami H:it; siipnlrs spinrs,-enl itoDinia. 



TH^ RED-BUDS. Genu,'; CKRcTS L. 



Small trres and shiad.s of seven specirs. three ,d^ which are natives of North Amei-ica 

 and the olleus of Ecrn,:e aral As^a. Df the three Xorlli .\me,ioan siieries .me is a Californian 

 shrub, anothor is a ^n^all li.'c of lie- basin of tlir Pio Ciamlr in Trxas .and southward, and 

 thi' thii-d is widely disiribiilrd in the ndddle and rastiaai states. 



l-arr^ siinph' d.-oidunus, broad, with T,-' la-oncnenl veins, enlirr. long-i,el i,da tr ; ijetioles 

 terete slonder and enlarged near the leaf-blade; stipules small, membranaceous, caducous. 



