288 77. AMENTIFERS. 
with a denticulated limb, sometimes evanescent, surrounded 
by a coriaceous involucre. 
6. Facus. Barren fl. in a globose catkin. Penanth 5- or 6- 
fid. Stam. 8—15. Fertile fl. 2 together within a 4-lobed 
prickly involucre. Stigmas 3. Ovaries 3-cornered and 3- 
celled. Nut by abortion 1—2-seeded. 
7. Castanea. Barren fl. in a long cylindrical catkin. Pe- 
rianth 6-parted. Stam. 8—20. Fertile fl. 3 within a 4- 
lobed muricated involucre. Stigmas 6. Ovary 5—8-celled. 
Nut l-celled with 1—3 seeds. 
8. QuERcus. Barren catkmm long, pendulous, lax. Stam. 
5—10. Perianth 5—7-cleft. Fertile fl. solitary with a cup- 
shaped scaly involucre. Stigmas 3. Ovary 3-celled. Nut 
1-celled, 1-seeded, surrounded at the base by the enlarged 
cupshaped involucre. 
‘ 
9. Coryuus. Barren catkin long, pendulous, cylindrical. 
Scales 3-lobed, middle lobe covering the 2 lateral lobes. 
Stam. 8. Anth. l-celled. Perianth 0. Fertile fl. several, 
surrounded by a scaly involucre. Styles 2. Nut 1-seeded, 
inclosed in the enlarged coriaceous laciniated involucre. 
10. Carpinus. Barren catkin long, cylindrical. Scales round- 
ish. Stam. 5—14, Anth. 1-celled. Fertile fl. in a lax 
catkin. Scales large, leaflike, 3-lobed, 2-flowered. Styles 2. 
Nut ovate, 1-seeded. 
Tribe I. Salicinee. 
1. Saurx Linn.’ Willow. 
I. PEDUNCULAT& LATERALES. 
Catkin and its leafy stalk deciduous together, lateral, appearing 
with the leaves. 
* Scales of the catkins soon falling. 
i. Pentandre (Borr.). Stam. more than 2. L. glossy, glabrous. 
Trees.— Stipules soon falling. 
1. S. pentandra (L.); 1. ovate-elliptical or ovate-lanceolate 
acuminate glandular-serrate, “ stip. ovate-oblong straight equal,” 
1 T have ventured to place many plants as varieties which are consi- 
dered as distinct by my able friend Mr. Borrer. I do so with much 
hesitation, being very imperfectly acquainted with many of them, but 
following the example of most modern botanists, and am especially in- 
debted to the valuable researches of the Rev. J. E. Leefe. 
