TIandb(m)k i>i.' Tek.ks of the Northern Statks and Canada. 435 



lets. Fliiii-cni iliiiM'ioiis ill cn-rl toniriilnsf .■uni'iils, rximiiiliiig hcfiirc llic Ipaves ; staminate 

 anu'iUs alioiit 1 in. loni;- near llir riids i.il" (Iir branrlilds ; pcriaiilii wanlins stamens M-lli. 

 inspi-ted on tile l)asos (iT the scales, with distinct lilaiiieiits and oljluiiK iiilrorse L'-celled longi- 

 tudinally (lehiscc'iit antliei-s; |iistillate amenls sniallei-, with iieriantli eonsistins of small 

 scales; ovary siipei-iur, l-celled, with an elongated llatteneed recurved style, stigmatic on 

 iiiiiei- face; oxalic solitary, lalcrally attached, asciaiding. I'ni'it an elon.a'ated coiii|iressed dry 

 drii]»e. soli|ar.\' or L* or ,'1 loi;cther, with (liin-wallcd mulct; ^vv\\ fiatteened with obloii.i; 

 blackish liihini, llcshy albnincn. erect laiiliryo and Hat cordate cotyledons. 



THE CORKWOOD. Genus LEITNERIA Chapm.vn. 



The .iionus is rharnil i-ri/rd n.s nlmw am] (■(Hitnins a single spocies. It was nameil after 

 Dr. E. F. LoittHM', a (Irniian naluialisl wlio was killed in Floiada during tlio Seminole war. 



WILLOW FAMILY. SALICACE^. 



Trees and slinilts with soft li^bt wnod, Indttle twius, bitter bark and of wide distribution, 

 childly of (lie uiu'diciai luMuisidid'e. They are grouiied in two s''!!*"'!';"!, ha\dng the foUowing' 

 characters in I'luumon : 



TA(tr..s de<dduons, siinplr. allriainlc and witli s1i|)ules (sometimes minute and ('aduct)us ) . 

 Floircis diuM'ions, aiutcarin^- in rarly spriu.Li' bid'orc 1ii(^ leaves, in anmnts, from axillary buds. 

 a single small Ihiwo' a iiix'arin.i;" in llic axil of eacii scale of tlio anient. i)erianth wnnting: 

 stamens l!-many. sublcnded by a disk and with introrse 2-celli-'d anthers longitudinally 

 dehiscent : iiistil with short slyh-'. 2-4dol>ed stigma and 1-cellerl ovary liaving ::^-4 iiaridal 

 plarenia' .-ind nnniri'ons anah'o|>cus o\ulrs. i'lu'ii .a l-cellcd l_'-4-vn h-ed ovoid eai>suh-', bi'.-iring 

 numri-ons iuiuulr seeds surrnnudrd by long silky while hairs and containing shoi't i'adi(de. 

 flat <'Ot\ h'di.ii.s :in<l no albumen. 



KEY 'VO 'VUV. (JEXETLV. 



Scales of Ihc aunuds enliic; slamens l^-lll and buds A\-ith a single scale Salix. 



Scale of Ihe amenls incisi^d ; slamens nuiuei-(ins and buds wiili sevei'al scales.... Populiis. 



THE WILLOWS. Genus SAEIX L. 



Trees and shriilis id' IbO or \~(\ s|)ecies of w"ide distribiil irm tlir(ui2:hont the northern and 

 a few ill Ihe seiillierii hcmis|dicrc. '['hey Krow .i^iaierally alons the banks of streams and 



in low isl s..;i fr(nii Ihe Arctic re;;ious lo the lro|iics. Xnmei-oiis natural hybrids also 



ociair. About Til speeies are found in Xorl h America and of these 21 are recognized as 

 trees of which '.I or HI species are found in the norlheastern stales. Ecsides tliese we have 

 two or three milualized arborcsciuit siiecies. 



Lcdi-cK comnionh- lancecdale bill ranging from obovati' (o linear; petioles short, some- 

 times glandnhir al apcN and more or less coxering the biid ; stipules obiiquic serrale, large and 

 persistent lespi'cially so on Mniiig slmotsi or small ami deciduous; winter buds covered 

 with a single scale of I wo coals, the inner Ihiii and memln-anous. Floirrrx in aments with 



cntii- ■ glandular dciiiaic bracis and disk gland-like, ininule and nectiferous ; stamens ^2-^^J 



(mostly '/i inserled al (he base of Ihe scale. Willi slender anil inostl.N' free filaments am' 

 small obluiig anlhei's; pislillale amenls usmilly cr.'cl or spreading; ovary sessile or sliorl 



sfipilale >\iili sIkoI sl\le. 2 shorl re or less recurved Ll-clefl sligmas and containing -1-,S 



ovules on cacli of Ihe' ■_: placcnias. I'niit all acuminate caiisule dehiscent by 2 recurved 

 vahes ; seeds iniiinlc. daik' brown. 



The name is Ihe ancient Latin name of the genus. 



KEY TO TIIK SI'KCIES. 

 a Stamens .1-7. with lilamioils hairy .at liasc ; aments terminating leafy branchlets and with 

 light yellow eadncons sc.ales 

 b I'd iides mil glaiidlilal' ; lea\'es 



c I'ale or whilish benenth, lam-colate to o\-atc-laiiceolate ^ , .^ 



With longer ii.uioh s iiioslh '.. in. or more long S. amyKdaloides. 



WHh very sliorl piai.iles mosll\- less I hail ' . in. long S. longipes. 



c' Oreeii beiiea'th. narrow-l; .olale. long-pointed; petioles sliorl... S. nigra. 



b'' I'd iolcs alandnlar; leaves I a pei -poi n ted 



laislroiis dark green alio\e, jiale beneath, thiskish and hllidy serrale. 



S. lucida. 

 iMill dark green (not luslrousl above, pale beneath, tliiiinisli and more .-oarsely serrate. 



S. fragilis. 



a" Stamens iisiialh 2. . 



■u Y, 1^ i„nli terminal and axillarv; Iea\es liiica r-lam'colal e and remolid.\- deal leubile ; 



lllmienls liiiir.\- al base; bracis Mdlow, caducous S. fluviatilis. 



1,3 Amenls Idininai on lateral brancldets. 



