Handbook of Teeks of the Noetiieen States and C'ana 



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'i'lie Woolly liimu'lia is a small or medium- 

 size tree, occasionally aitainiiig the lieiglit of 

 50 or GO ft. ami 2 or :■ ft. in thickness of 

 trunk. Wlien isolateil from other trees it de- 

 velops a rounded or oblong rather open top, of 

 rigid branches, more or less spinescent with 

 thick sharp spines. The bark of trunk is of a 

 brownish gray color, reticulated with firm 

 prominent ridges. 



To the northward in its range it inhabits 

 usually well-drained gravelly or sandy soil, in 

 comp.iuy with the Tost, Tlack-laek, Chin- 

 quapin and other Oaks, Mocker-nut and Shig- 

 bark Hickories, lUue Ash, Red-bud, etc., but in 

 the south it oceu]iies moist lou'-lands. as well 

 as the drier uplands. A ,guni e\"ndos from it 

 when wounded wliiidi gi\'es it the name Gum- 

 elastic. It is a clear viscid substance, some- 

 times used domestically. 



Its \A-ood is rather hard and liea\"y, a cubic 

 foot weighing \v\\rn absulutcdy dry 40. 7S lbs., 

 tough, smooth-grained and of marked cliarae- 

 teristii' structure.! 



Lrnn.9 mostl.v (ilio\-atc or oblancenlatc. l-2i.j in 

 lon.if, narrow, cuncatc at hasr, ronndt'd or lilnnll.\ 

 pointed at apex, wcoll.v t<inicnlnsc at (irst laU al 

 maturity darl< ^I'ccn and .^lahnius alMt\-i> and 

 densely tomentnsc hencalll as arc Ihr slmrt 

 petioles and all new Krnwlli. rarOily <lct-iUn(ins. 

 Floir(r.^ ( .Tul,v-.\n-.;nsl I ill usn;illy s(-\-('i-al-t1ewiMT(l 

 fascielcs tt'itl'i pi'tjicrls alHMil is in. bin^" ; cal.\-.\ 

 with olilnse or nuinilrd Inlics; slaminedia ovale, 

 acute denticulate. Fruit dnipe. Iilaek, i;, u,. or 

 less in length: seed oblon.i:^, nuiiuleit al ape.x. ahonl 

 V4 in. lon;;-.- 



Var. rittiila. Gray, is a form found aioni.^ ttie 

 Mexican boundary with ri.cjid spinescent Ijranchlels 

 and smaller thicker leaves. 



1. .\. \\.. XI, 

 -. For ^euus 



260. 





