ROSACE^E 



499 



wholly adnate to the petioles of the first three leaves ; above that 

 they are foliaceous, almost crescent-shaped and free for the upper 

 third of their length, glandular-ciliate, deep green, reticulate, semi- 

 amplexicaul. 



No. 1. Very small, unifoliolate ; leaflet cuneate, incise-dentate. 



No. 2. Trifoliolate ; leaflets small obovate-cuneate, serrate mostly 

 above the middle. 



No. 3. Similar, but larger and more serrate. 



No. 4. Trifoliolate ; leaflets oval or subelliptic. 



Nos. 5 and 6. Trifoliolate ; lateral leaflets broadly oblong ; term- 

 inal one elliptic. 



No. 7. Trifoliolate ; lateral leaflets broadly oblong-ovate ; term- 

 inal one elliptic. 



No. 8. Five-foliolate ; basal pair of leaflets small, subovate ; 

 middle pair unequal one oblong and the other subelliptic ; terminal 

 leaflet elliptic. 



Pyrus Aucuparia, Gaertn. (fig. 323). 



Primary root tapering, slender, very flexuose, with short, rather 

 stout lateral, rootlets, dark-coloured. 



Hypocotyl soon becoming woody, erect, terete, glabrous, sub- 

 flexuose, brown, 8 mm. to 1*5 cm. 

 long. 



Cotyledons shortly petiolate, gla- 

 brous, deep green ; lamina oblong-oval, 

 obtuse, 6 mm. long, 4 mm. wide ; 

 petiole grooved above, 1*5 mm. long. 



Stem soon becoming woody, erect, 

 terete, hairy, slightly flexuose, pale 

 green, ultimately becoming brown ; 1st 

 internode 1-5 mm. long ; 2nd 1-5 mm. ; 

 3rd 2 mm. ; 4th 2-5 mm. 



Leaves compound, ultimately im- 

 paripinnate, cauline, alternate, stipu- 

 late, petiolate, glabrous except on the 

 petioles, under surface of the midrib 

 and the rachis ultimately glabres- 

 cent ; petioles subterete, channelled 

 on the upper side ; stipules small, ovate, acute, tooth-like. 



No. 1. Triangular- ovate, trifid, lobes serrate. 



No. 2. Triangular, tripartite ; lateral divisions ovate, acute, 

 serrate ; terminal larger, obovate-cuneate, trifid and slightly ser- 

 rate. 



X K 2 



Fie, 828. Pyrus Aucuparia. 

 Nat. size. 



