SALIX. 



297 



Tr. IV. CUPULIFER^E. Malefl. in a catkin. Fern solitary 

 or aggregate or spiked. Perigone adnate to the ovary, 

 with a denticulate limb, sometimes evanescent, surrounded 

 by a coriaceous involucre. 



6. FAGUS. Barren fl. in a globose catkin. Perianth 5- or fi- 

 nd. Stam. 815. 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. 820. Fertile fl. 3 within a 4- 

 lobed muricate involucre. Stigmas 6. Ovary 5 8-celled. 

 Nut 1 -celled with 13 seeds. 



8. QUERCUS. Barren catkin long, pendulous, lax. Stam. 

 510. 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. CORYLUS. Barren catkin long, pendulous, cylindrical. 

 Scales 3-lobed, middle lobe covering the 2 lateral lobes. 

 Stam. 8. Anth. \-celled. Perianth 0. Fertile fl. several, 

 surrounded by a scaly involucre. Styles 2. Nut 1 -seeded, 

 inclosed in the enlarged coriaceous laciniate involucre. 



10. CARPINUS. Barren catkin long, cylindrical. Scales round- 

 ish. Stam. 5 14. Anth. \-celled. Fertile fl. in a lax- 

 catkin. Scales large, leaflike, 3-lobed, 2-flowered. Styles 2. 

 Nut ovate, 1 -seeded. 



Tribe I. Saticinece. 



1. SALIX Linn. 1 Willow. 

 I. PEDUNCULATE LATERALES. 



Catkin and its leafy stalk deciduous together, lateral, appearing 

 with the leaves. Scales of uniform colour. 



* Scales of the catkins soon falling. 



i. Pentandrce (Borr.). Stam. more than 2. L. glossy, glabrous. 

 Trees or large shrubs. Stipules soon falling. 



1. S. pentandra (L.) ; 1. ovate-elliptical or ovate-lanceolate 

 acuminate glandular-serrate, " stip. ovate-oblong straight equal," 



1 I have ventured to place many plants as varieties which are consi- v 

 dered as distinct by my able friend Mr. Borrer. I do so with hesita- 

 tion, being very imperfectly acquainted with many of them, but follow 

 the example of most modern botanists. 



o 5 



