IIammmmik ok T];kk8 of the .\oi;Tiija;x Statks and C'Ais-.U)A. 410 



d Obion,;;-; sralrs S-VJ. uLIdhk, earb boariim li (M|,iall,v li-«-iiiKr<l seeds. 



J- o I 1 1 ■ , , Tliuya. 



a .Siib,ulob„M.. wub ii.dtat.' scaU-'s each lieariii,^- L' seeds an.l iiiatui-iii;; in nee seasmi. 



c Berry, h,riiie,l by the e„al,'s, eiiee of the Ueshy seah-s of th.' Iluwer.. Ouniperus. 



THE PINES. Genus PINL'S L. 



The T'iiies are trees and a few sliinjs of the noi'th..rn beniispbere and ehielly of tem],erate 

 regions. JIaiiy of ils represeiilali ws aie of greatest eeonoiiiie value. Abont eigldy siieeie.s 

 are reeogiiized of whieh thirty-four are natives of the United States, ten being represented 

 in the northeastern states. 



Leans e\-er;iri'en, nee'dle-shaped, from shaidei- buils, in eluslei's of L'-." togetle-i- (solitary 

 in one sjieeiesi, Imin the' axds of s.aledike priinai-v leaves eaeli eluster invested al its base 

 Willi a sheatli el Ihin, nieiiibraiaois seales. /■•luir, rs api.iearing in spring, iiioiaeeioiis SI, rile 



fluinrs in eaiknis, ebistered al (he base of the si Is ol' the s.-as(ni: stamens niiiiKa'oiis with 



very short hhiiiieiils an.l a scale-like c(,ni:ec1 iw ; aiil her-c(dls. L', oiiening lengthwise: pollen 

 grains ti'iiile. I^ililr floirns in ,,|,iii,,.,i| ,,r cxlindrieal s|dkes — coiii-s — consisting of 

 imbricateil, carpidlary siales, each in the .'cxil oi' a persistent bract and bearing; al its liase 

 "■dhin a iiaii nl iii\'..rted (oiiles. I'niit niaiiiring in the auttimn of the second \ ea , a cone 



toriued ol I he imbricated cariielhii'x- si-iles. which are woodv, often thickened or :i\v I at the 



apex, persisieiii. «h,.ii rip,, dry and siireading to liberate the two niU-like and nsnalh- winged 

 seeds; cotyh'dcus :;-lij linear. 



The name is a Latin woril from Celtic i,iii or pin. <i rrar/. 



KEY TO Tllhl OEXEKA. 

 Leaves in clnsters of 



a Five ; cones with thin nnarnicd scales P. Strobus. 



a- Thiee; cones with scales Ihickcih,,! at api-x and armed with a laickle; cones 

 b Subteriiiinal and deciduous abc\e the iiasal scales 



c Fonr to six iiedii-s Imig. heaxy; bnds hiciwii P. ponderosa scopulorum, 



^c-' Si.x to ten in, lies long. ii,it h,'avy ; buds while' P. paliistris. 



b" Lateral and symmetrical ; com's 



c Long-ovoid with stout iirickles ; leaves (J-!) in. long.. P. TajJa. 

 C" Ovoid with slender iirii'kles ; lea\'es 



^riii <',' 1(1 li\"e in, Ill's long P. rigida. 



Six lo I'iglit inches huig P. serotina. 



a/' Two ; c'cncs 



b Subieriiiiial : scales thickened and unarmed P. resinosa. 



V Lateial ; s.-ah's 



c rnariie'd, or with very weak or deciduous prickles; cones small, imui'ved. 



P. divaricata. 

 c- ,Vrni,',l AN'ilh 



d SI, 'icier priikles ; lea\'es 



e Till," 1,1 lour in, long P. ecliinata. 



r--' < 111,' ic tw . ill. hiiig P. Virginiana. 



d^ W'i'.\" (111, k stout s|iiiies P. i>iingens. 



For siiccirx xcr pii. .!-l'.l (lull tin' follu ir i ilfl : 



Loxfi-LE.M'" ri.XK, /'. iiiiliixl ria Mill, An iiiip,irl aid timber tr if the southern states and 



f.as bei'u 1, 'polled ;ts ,ic(urriim \"i'r,\' s]iarilml,\- as far north as southeastern A'irgiuia. Lrarrs 

 S-i,'-; in. ]:)iig. dark grii'ii, deiis,ly liifled at the I'lals of the branchlets. arranged in ;; s, witfi 

 |iers,sti'nt shi'allis. l-'linrcrs: sL'iiicimIe rose-pu rph' ; jiistillate close to the aiiex ,if llie slioi,)t. 

 I'niil: cnies ,,\ I i ml ii,'-(t\"oi,l, 11-10 in, hui'j. soiih'W lia I iiirved. sniisessile. with scales tlihki'ned 

 near apex b,\- a I ra iis\,'rse ri,U,' and b,'aring a shorl r,','ur\"eil ]iri,'kle : eom's ,l,',:dii,)iis within 

 the base, a fi'W basal scales b.'iiig I, 'ft attaiheil lo I li,. st,'in ; seeds about i , , in. l.uig with long 

 W'imj- vi-vy obli(|lle at aiicx. 



PoN!) Pl.xt:, /'. strntiini iMiclix. A tree cf 111,' simthern stall's retjuiieil to lii' mentioned 

 her,' ,uil.\" from Ih,' fimt that ils northcrnmcst r,'pi','s,'iitati\es aie said io hax'c bc'u found in 

 smil heastern \'irgiliia. wImU',,'. liowe\('r, it is \r\'y si-arcc. Lmrrs in ,". s. r.-,S in, huig. rallier 

 sh'iiih'i', elaui'ons, sl.miatose all sidi's. /''iiiil: c,mes laleral. siilmlclios,' Ic ovcid. U-L' ' i, in. loii,g, 

 suosessiii-', scab's I hick-, Ted al apex and bearing a minute jiriikh' ; seels aliotit Ys in. long, 

 illcludilc. wim;- ■"■ I ill, hue.;. 



THE L/iKCHES OR TAMARACKS, Gexu.s L.VRTX. Ad.vnson. 



A genus of nine s]iecies of liccs (if northern and monntii i nous ri'i^ions of the northern 



Hemisphere ]i!'odii,'iiig durable and \aliiabh' lumber and oilier iiroihmls, Tlir,',' ri'pri'sen tatives 



are .Xiu'lh .Viimrica ii, Iwo inhabiliiig I he westi'in si,l,' ,il' llii' ,',uilim'iil and one Ih,' I'asti'rn. 



Lcai'.': awhshapeil, tliri'e-am;li',l (,ir four-a iiglcl in Liiii.r Linilii). soft, di'ciilnous. in 

 clnsli'i's of iiiaii,\' cacii from laleral s(al,\- s]itirs. i-xci'iiling on the sliools of the season wliiue they 



