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2 I 2 rOPULAH FLOUA. 



96. PICKEREL-WEED FAMILY. ()..l, .• I'oXTKDKKlArK.E. 



Is rt'pifsciitfil l)v tluvi; or lour plants in this country, of wliicli niuili tin; commonest 

 is tilt' 



Pi'^kerel-weed. Puntcderia. 



Peiiiintli blno, of 6 divisions, iineriuiilly unitt'd hdow into ii tube; tlie 3 tipper divisions most 

 united and nuiliin;;; a 3-l()l)ed upper lip, the 3 lower si)readin^' and separate houh,' way down, ruakin;,; 

 a lower lip : after expanding, fur one liay only, the upper jiart coils up and witliersaway, wliile tlie 

 linse of the tube thickens and encloses the ainall i -seeded fruit. Stamens 6 ; the 3 lower on slender 

 projectini; Hlanients ; the 3 upjier inserted lower down on the tuVje, with very short filaments and 

 gen(M:illy impeifecr anthers. .Style 1 : stigma 3-lobed. Stout herbs in shallow water, willi lonj;- 

 ]>etioIe(l leavi'M iuid long pedunc-les or few-lt;aved stems (their leaves witii sheathing footstalks, the 

 ui>permost. one nn rely a sheathing spjitlie or bract), bearing a spike of flowers. 

 1. Common ricKKiiKi. wkkh. Stems 2° or 3' high ; leaves thickish, lance-ovate or ovate-oblong, iin<l 

 gei.er illy m<»re or less heart-shaped at the base. Common everywhere; tl. all summer. 



i^ cordata. 



97. GREENBRIER FAMILY. Order smtlack.t:. 

 Of this family, as horc arrunj^'ed, wo have only a sinj^le .^enus, viz. : — 



Greenbrier. Smilax. 



Known at once by being climbing jdants (or disposed to climb) and having a tendril on each side 

 of the footstalk of the leaf ; and by the leaves being veiny between the ribs, almost as in Kxogens, 

 alternate, sometimes evei'green, simple, and entire. Flowers di(ecii)us, in axillary umbels. Perianth 

 generally of 6 equal and spreading greenish or yellowish separate pieces. The sterile flowers have 

 as many stamens, with oblong or linear i-celled anthers fixed by their base to the filament, an<l 

 turned inwaids. The fertile flowers have a round ovary, with 3 short spreading styles or stigmas. 

 Fruit a berry, with 2 or few large seeds. Fl. summer. 



* Stems woody and often prickly, yellowish-green : ovary and berry 2-cellcd and 2-seeded, black 



when ripe, generally with a bluish bloom. 



1. CoM.MON (i. or C.\TRIUER. Leaves thickish, rounjl-ovate or slightly heart-sbajied, and with 5 to 



9 ribs, green both sides ; branchlets often square ; prickles short ; peduncles of the umbel not 

 longer tlian the petiole. Moist thickets. aS'. rotiindifolia. 



2. GL.\L'cors C Leaves ovate, glaucous beneath ; peduncles longer than the petiole: otherwise 



nearly as No. i. .S'. i/fauca. 



3. Bri.stly G. Leaves ovate and heart-shaped, large and thin, green both sides ; stem below covered 



with long and weak blackish bristly prickles ; peduncles much longer tlian the petioles. 

 Thickets, N. and W. S. hispida, 



4. L.VUHEr.-LK.WKD G. Not prickly ; leaves lance-oblong or lance-linear, thick and cveigreen, with 



3 to 5 ribs ; peduncles of tlie umbel very short. Sandy soil, S. S. laurifuUa, 



* * Stem herbaceous, climbing, not prickly : ovary and blue-black berry 3-celled, 6-seeded. 



5. Caurion-Flowkk G. Leaves thin, pale, mostly heart-shaped, with 7 to 9 ribs, sometimes rather 



downy beneath, long-petioled ; peduncles 3' to 8' long, longer tlnui the leaves ; flowers of the 

 odour of carrion. Meadows and river-banks. S. htrbiicea. 



