SALIX. 
‘287 
Perianth 4-j)arted. Scales of the fertile eatkiii ovate, 2- 
flowered, coriaceous, jicrsistent. Styles 2. Ovary com- 
pressed. Fr. not winged, 2-celled. — G. F. G. Monochl. 18. 
Tr. IV'. CUPULIFERyE. Male fl. in a catkin. Fern, solitary 
or aggregated or s])iked. Perigone adnate to the ovary, 
with a denticulated limb, sometimes evanescent, surrounded 
by a coriaceous involucre. 
(). Fagu.s. Barren tl. in a globose catkin. Perianth 5- or G- 
fid. Stain. 10 — 15. Fertile d. 2 together within a4-lobed 
jirickly involucre. Stigmas 3. Ovaries 3-cornered and 3- 
celled. Nut by abortion 1 — 2-scedcd. — G. F. G. Monochl. 24. 
7. Castanea. Barren fl. in a long cylindrical catkin. Pe- 
rianth ()-partcd. Stain. 10 — 20. Fertile fl. 3 within a 4- 
lobed muricated involucre. Stigmas G. Ovary 5 — 8-ceUed. 
Nut 1-celled with 1 — 3 seeds. — G. F. G. Monochl. 25. 
8. Quercus. Barren catkin 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. — G. F'. G. Monochl. 23. 
9. CoRYLUS. Barren catkin long, pendulous, cylindrical. 
Scales 3-lobed, middle lobe covering the 2 lateral lobes. 
Stam. 8. Anth. 1-celled. Perianth 0. F’ertile fl. several, 
surrounded by a scaly involucre. Styles 2. Nut 1 -seeded, 
inclosed in the enlarged coriaceous laciniated involucre. — 
G. F. G. Monochl. 22. 
10. Carpinus. Barren catkin long, cylindi'ical. Scales round- 
ish. Stam. 8 — 14. Fertile fl. in a lax catkin. Scales large, 
leafy, 3-lobed, 2-flowered. Styles 2. Nut ovate, 1-seeded. — 
G. F. G. Monochl. 20. 
Tribe I. Salicinete. 
1. Salix 
I. Pedunculat.® laterales. 
Catkins on a leafy stalk, lateral, coetaneous. 
* Scales of the catkins deciduous. 
i. Pentorfr® (Borr.). Stam. more than 3. L. glossy, glabrous. 
Trees. 
1. S. pentandra (L.); 1. ovate-elliptical or ovate-lanceolate 
* I have ventured to place some plants as varieties which are consi- 
dered as distinct by my able friend Mr. Borrer, but I do so with much 
hesitation, being very imperfectly acquainted with many of them. 
