SAMX. 307 



catkin 3-lobed, S-flo-wered, membranous, deciduous. Styles 

 2, filiform. !Fi;..'witli a membranous margin. ■■ ,-. 



5. AiNus. Scales of theiarren catkins 3-lobed, rS-flowered. 

 Perianth. 4rparted. Scales of the fertile catkin oyate, 2- 

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

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



Subord. IV. CUPULIFERJE. Male ft. in a catkin. Fem. 

 solitary or clustered or spiked. Perianth adnate to the 

 ovary (glans), with a very minute sometimes evanescent 

 limb, surrounded by a coriaceous involucre. 



8. Fagus. Barren catkin globose. Perianth 5- or B-fld. 

 Stam. 8 — 15. Fertile fl. 2 together within a 4-lobed 

 prickly involucre. Stigmas 3. Ovaries 3-cornered ■ and 

 3-ceUed. Nut by abortion 1 — 2-seeded. 



7. Oastajstba. Barren catkin long, cylindrical. Perianth 

 e-parted. Stam. 8 — 20. Fertile fl. 3 within a 4-lobed 

 muricate involucre. Stigmas 6. Ovary 5 — 8-celled. Nut 

 1-celledwith 1—3 seeds. 



8i Qtoercus. Ban'en catkin long, pendulous, lax. Stam. 

 5 — 10. Perianth 5 — 7-cleft. Fertile fl. solitary with a 

 cupshaped scaly involucre. Stigmas 3. Ovary 3-celled. 

 Nut 1-celled, 1-seeded, surrounded at the base by the eii- 

 laiged cupshaped involucre. 



9. CoBYiTTS. Barren catkin long, pendulous, cylindrical. 

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

 Stam. 8. Anth 1-celled. Perianth 0. Fertile fl. several, 

 surrounded by a scaly involucre. Styles 2. Nut l-seede<i, 

 , enclosed in the enlarged coriaceous cut involucre. 



10. Caepinus.' Bairen catkin long, cylindrical. Scales round- 

 ish. Stam. 5 — 14. Anth. 1-eelted. Fertile fl. in a lax 



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

 Nut ovate, 1-seeded. .. 



Tribe I. SaUcine(S. 



1. Sa'lix Linn.^ Willow. 



Sec. 1. ViTiSAiix(Dumort.). Catkin and its leafy stalk deci- 

 duoiis together, lateral, appearing with the leaves. Scales of 



1 1 have ventured, to place, many plants as varieties which were con- 

 sidered distinct by my able friend Mr. Borrer. I do so with hesi- 

 tation, being very imperfectly acquainted , with many of them, but 

 follow the example of most modern botanists.^ It is probable that 

 many of the lowland species are not truly natives of Britain ; but 

 evideiice is wanting by which to determine their respective claims. 

 ■(See Du Mortier in Bull. She. S. Bot. Belg. i. 14B,-Babington in 

 Seem.J.ofB.i.lQ7.) 



