306 77. AMESTIFEK*. 



or oblong notEhed, seed-cavity cMefly above the middle of fr. and 

 near the notch. — U. campestris (L.) includes this sipe'cies and 

 Sp. 2.^a. U. campestris (Sm.) ; 1. asperous > above pubescent 

 beneath. U. suherosa Sm. — 0. U. glabra (Sm.) ; 1. rather 

 coriaceous shining nearly or quite smooth above glabrous except 

 ih' the axils of the veins beneath, young 1. stip, and fr. with 

 suhsessUe glands. U. strieta (Lindl.) which has rigid erect 

 close branches is ^a form Of this variety. — «. ' Throughout Eng- 

 land. 3. South of England and Ireland. T. III.— V. Com- 

 mon Elm. : , , E. I. 



2. TJ.rrmmitdnaiyVi&i.); 1. much acuminate doubly . serrate 

 asperous abote rather downy beneath, ped. short, fl. 5 — 7-fid, 

 lobes ciliate, fr. oblong or rotmdish notched, seed-eavity chiefly 

 below the- middle of fr. and distant from the notch. — TJ. inajor 

 Sm. ? — ^Branches large, spreading. L. broad. Fr. Hoplike. — 

 Woods and hedges. T. III. IV. Wych Elm. E. S. I. 



Order LXXVII. AMENTIFEEJS. 



Fl. moncecioiis or dioecious, rarely perfect. Barren fl. of all 

 our plants in catkins, or capitate ; sometimes with a membran- 

 ous perianth. Fertile fl. clustered, solitary or in catkins. Ovary 

 with one or several cells. Stigmas 1 or more; Fruit as many 

 as the ovaries, bony or membranous. Albumen usually want- 

 ing. ' Einbry o straight or curvedy plain. Badicle mostly supe- 

 rior. — Young leaves with stipules. — For figures of the genera 

 see O.F. G. MonocU. 



Subord. I. SALICINEM Fl. all in catkins. . Fr. naked, 2- 

 valved, 1 -celled, mamy-sSeded. Seeds erect, hairy. 



1. SAI.IX^ Catkins '.consisting of imbricate entire scales. 

 Stam. 1 — 0. Fr. a 1-ceUed pod witli 1 — 2 glands at its 

 base. Perianth 0. 



2. PopDius. . Cfltkins with ^slashed scales. Stam. 4 — 30, 

 from alittle oblique cupshaped perianth. Fr. almost2-celled, 

 with a cupshaped perianth. : ' 



Subord. II. MTRICEM. Fl. all in catkins. Fr. drupaceous 

 silrrounded Tjy the scales of the ovary become fleshy and 

 adherent. ' 



, 3. Mybic.4.. Catkins with concave scales. Stam. 4^-8. 

 Stigmas subulate. ' Drupe 1-celled, 1-seeded. Peri-anth 0. 



Subord. III. BETULINEJE. Fl. all in catkins. Ovary 2- 



celled, each with 1 OT.ule. Fr. naked, indehiscent, l-ceUed, 



1-seeded. Seeds pendulous, not hairy. 



4. BsTrLA. Scales of the barren catkins ternate, the middle 



on'e bearing the stamens. Perianth 0. Scales of the fertile 



