314 78. AMENTIFEKiE. 



out England. /3. South of England and Ireland. T. III.— V, 

 Common JElm. E. I, 



2. U. mmitdna (Witli.) ; 1. much acuminate doubly serrate 

 aaperous aboye ratlier downy beneath, ped. short, fl. 5 — 7-fid, 

 lobes ciliate, fr. oblong or roundish notched, seed-catnty chiefly 

 hehw the middle of fr. and distant from the notch. — E. IB. 1887. 

 U. major Sm. ? — Branches large, spreading. L. broad. Fr. 

 Hoplike.— Woods and hedges. T.ni.IV. WychElm. E.S.I. 



Order LXXVIII. AMENTIFEEJi;. 



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

 our plants in catkins ; sometimes with a membranous pe- 

 rianth. Fertile fl. clustered, solitary or in catkins. Ovary with 

 one or several cells. Stigmas 1 or more. Fruit as many aa 

 the ovaries, bony or membranous (or drupaceous in Myrica). 

 Albumen usually wanting. Embryo straight or curved, plain. 

 Radicle mostly superior. — Young leaves with stipules. 



Subord. I. SALICINEJE. Dioecious. Fl. all in catkins. 

 Fr. naked, 2-valved, 1-celled, many-seeded. Seeds erect, 

 hairy. 



1. Salix. Catkins consisting of imbricate entire scales. 

 Stam. 1 — 5. Fr. a 1-celled pod with 1 — 2 glands at its 

 base. Perianth 0. 



2. PopiJLrs. Catkins with slashed scales. Stam. 4 — 30, 

 from a little oblique cupshaped perianth. Fr.almost2-ceIled, 

 with a cupshaped perianth. 



Subord. II. MTRICEM. Dioecious. Fl. in catkins. Fr. 

 drupaceous surrounded by scales become fleshy and adhe- 

 rent to the ovary. 



3. Myeica. Catkins with concave scales. Stam. 4 — 8. 

 Stigmas subulate. Drupe 1-celled, 1-seeded. Perianth 0. 



Subord. HI. BETULINEJE. Monrecious. Fl. all in catkins. 

 Ovary 2-celled, each with 1 ovule. Fr. naked, indehiscent, 

 1-oelled, 1-seeded. Seeds pendulous, not hairy. 



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

 one bearing the stamens. Perianth 0. Scales of the fertile 

 catkin 3-lohed, 3-flowered, membranous, deciduous. Styles 

 2, filiform. Fr. with a membranous margin. 



5. Alntjs. Scales of the barren catkins 3-lobed, S-flowered. 

 Perianth 4-parted. Scales of the fertile catlan ovate, 2- 

 flowered, coriaceous, persistent. Styles 2. Ovary com- 

 pressed, 4 minute scales at its bese. Fr. not winged. 



