PLATE LXXXVIII. COCKSPUR THORN. 



1. A flowering branch, x I. 



2. Longitudinal section of a flower, natural size. 



3. A fruiting branch, x |. 



4. Section of a fruit, x . 



5. A winter twig, natural size. . 



6 Section of a branch showing thorns with buds at their bases, enlarged. 



