4:iS R(JSKACI-LE. 



ROSE FAMILY. ROSEACE.E. 



Tlif [lose Family cnnsists nt' trees, siinil'-^ ;iiiil ;i Tew ImtIis df widf distribution I hi-i>ui:hoiit 



l('iii|iri-;Uo I'Oiiiniis, ainl ot upwarils of tift'.Tii Imiuln-W sjM'rics mmipr.! in .limiu iiim-ry ^rinaa. 



Most o( our sucruli'iit fviuis niv anions- ils la-oi Juris. Teu of tin' ,u>Miera are ivpi'rsiMitod 



b.\- arlioi'rsmii sjircics in rlir Tnilrd Stales. 



Lv'irrs alli'iiiate (n|i|)isite in Li/oih'tJni iii ii iis \ willi stimuli's. /-'hurrrs rru-ular. )mt'Vc1; 

 caly.x ."i-Iolird : i^eiiils ~> |i) in f '< r'"cori>iis ] inihrica t(^d in tlir Imd: s(ani<ais nnnieroiis. di.siinet 

 and ins«na''d w itii i ae ju'ials nn a disk linia,^- the en l\ \-hihr ; nniliers small. L*-imI|p([. inUdisi' 

 ( i'xu*')i-s(' in \ <ni<ii,i h II Hi ) loiisiiudinall\" deliisicni: |iistils l-man\ ; ovai'y l-rrllni with 

 genri'Mlly I \vo auatruijuus o\ules in naeh cidl : sci-ds mostly without ailuuueo. 



KEY TO Till-: (;i-:XKKA. 



a Frnit a iiumt^. eiMisisl ini;- of an Pidai',::i'd and sncrnlenr r;il\ x-i nln^ nnd o\ary ^^dth itapery 

 (<r laany <-ai]iels; ,si ipnlrs fi'ei- fi-oni tlie petioles I Tribe PuDoldctr ) . 

 b r.'M'pids jiaii.'i'y at nialni'iiy and 

 c .\s many as the ,sV_-\ Irs 



d Leaves simple : HowtTs in simide cymes Pyrus. 



d,- Leaves palmatidy oompi.nnd : flowia's In eoniiiound eynies Sorbus. 



c- I'aipels beeomiuy,- t\\ief as many as ihr siylrs : llowau-s in raeemes : li'a\es simple. 



Amelanchier. 



b" Tm rpels horny ai maturity ; lea\'es simple Crattegiis. 



a" Fruit a drupe; o\ary superior, l-orllcd. with single terminal style (Tribe I'm imnh <i i. 



Primus. 



THE APPLES AND PEARS. Gexus PYRl\^ L. 



The ,ienus I'ui-ii.y i also spelled rini-s) as Ina'e restrieteil c.^nsists of about ^"'.il ov 40 

 speeii's of snutll or medium-size trees of the northern liemis})licre and mainly of the < Hil Woiid. 

 Fi\'e ai'e native's of Nortli .VuKadea. four o[' the Atlantie slates and one of the Faeijio slope. 

 Ftesides tliesi' two or three introduerd spccii-'s ai'e wiihdy imturalized, 



Lciiris simple. (h'eidno\is. p('ri(dale. inv(dule in the bud; slijiules free from the jietioles. 

 caducous : winter buds scaly. /'/ojrcr.v [link oi' white, in siniplc terminal cymes on slnu-f 

 hilcral and someiinies spim'scciit spurs; calyx willi nrn-sha|ied 1 nbc and pointeil lobes 

 indnacaicil in ilic bud and ino~rh" iio'sisrenl : pdals ronndcil. slno't-clawed ; stamens LIU or 

 more; prstils usually .".. alternate with the ju'tals. united with tin- calyx-lube and containini^ 

 'J. ovules in each cidl ; styles iisnally ■">. distinct or united at base. i'ru'ii a |ioini\ formed by 

 the ladarg-emeiit of the united calyx tnbi- and o\-aries wit li papei'y cariiels joined at ajiex ; 

 sei'ds usually '1 in each cell, more or less comi)ressed. o\oid. erect. Insti'ous brown with 

 cartilaginous testa and strai.ght eml>ryo. 



The name is the ancient Latin name of the ]\-<ir. 



KEY TO THE SLEiTES. 



a Fruit usually taperin.g to the stem and flesh containing; -rir-cells ; styles mostly distinct, 



P. coimiiunis. 

 a- Frnit usnally hollowing; al the slem and flesh not containing- grit-cells; si\|cs united at base 

 b Lea\es i;lalu'ous at nuiliirily oi' nearly so and 



c n\ a le. mosi ly 1 rTincaie lo- snbciu-dale at base P. cor on aria. 



C" nblongdancc(date to o\:i] and nmsily tapering at base P. angustif olia, 



b- Lea\es fomeiitose ( M' ]adiesciaii iMUieath and 

 c ^[osllv naia-owed at lia>e 



I'edicels slender. 1 - 1 b , ill. loim P. loeusis. 



Fedicels siiuit. ■'■! in. or less in lengih P. Soulardi. 



C" Mostly rounded or snbcordale at i)ase ; piMioles and iiedicels 



Short, sbuil. and )iiibesciait P. Mains. 



Long, shaaler and glabriuis P. ijnmifolia. 



/■'or sji.rrs .sfc /./'. .lU>-.!-u <nnl ihr jolUnrnnj : 



l*r.\i:. l'tini<: r'uii ni ii n'ls L. A nati\'e of sontlnaai l-airojie atid Asia, producing tin a 

 nal i\e s bile I a small inferioi' fruil. This has Ikmmi \ asl ly anndioria led b\ en li i\al ion and 

 ii\ brill iza lion, and I lie tree is now cult i\ a ted in all count ries of lenipei-ale i eg ions. U has 

 escaiicd and beciuiie nalnr,aliy<M! in ma ny_loca I i I ies in ihe F n i I ed Slaies. In faxorabh' silnations 

 il is a sii-otig npriulit Mee. soineiinies tTt fi. in height and 1^ ll. or more in iliickness of trunk. 

 Liiir.s mostly o\ a I e-obham. L'-l im hum. obhwe ^^v rounded al b;ise. acule or acnminat<\ hiiely 

 a|)pressed-veiaate or siibeni ii'c. pubescent and ciliale at lirst Inil iiiiall\- bist rons (laid< green 

 abo\-e. i>al(U- and \ein.\ beuealh. \ery brm in li-xiiii'e; petioles long ;ind slendei'. l-'h,in r.-^ 

 aboul 1 in. broad, appeariim wilh I he leaves : si) les nsuall\ ."i and dist iiici to base. I'm it 

 \ariable. bin ihal of wild seedlin- trees usiiail> small and more or h^ss austere. 



AiTi.;:. /'. \hilux L. - Mains Muhis i L. i F.riiion. The native land o\' i In- Apjde is 

 snpiioM'd ;o be soulheastern I'hii'ope ami wi'sieiai Asia. U has been in cultixalion from very 



