THE BOOK OF ROSES. 117 



FOURTH TRIBE OF SPECIES III. 

 Rosa Macrophylla, or Large-leafed Rose. 



SPECIFIC CHARACTERS. 



Shrub, lofty. 



Branches, r%ddish brown, without thorns. 

 Stipules, concave, dilated, sharp, curved, naked, co- 

 loured. 

 Footstalk, eight or nine inches long, thornless, very 



cottonous, slightly glandulous. 

 Leaves, (the largest known of the rose tribe,) composed 



of from five to eleven leaflets. 



Bracteal leaves, lanceolated, wide at the base, very 

 long, almost entire, curled and coloured with red ; 

 naked with the exception of the mid-rib, which is 

 hairy on both sides. 



Leaflets, lanceolated, flat, veined, simply toothed, naked 

 on the upper surface, cottonous and white on the 

 under. Dark green, shaded with purple. 

 Flowerstalk, hairy, bearing a few coloured, uneven 



bristles. 



Tube of calyx, oblong, naked. 



Sepals, simple, narrow, triangular, very long, toothed, 

 dilated at the summit, having some coloured spots 

 at the lower part of the extremity. 

 Flowers, single, pink. 

 Petals, oboval, shorter than the sepals, having at the 



point a spot of red. 

 Anthers, large and oblong. 

 Disk, very large, rising at the orifice. 

 Ovules, very hairy, twenty-eight in number. 

 Styles, hairy, salient, detached. 

 Fruit, oval. 



