EXPLANATION OP THE PLATES. XV 



2. The pistil. 



3. One of the capsules. 



B. Primula vulgaris, Hudson : p. 1. 



1. The pistil. 

 C. Daphne Mezereum, Linnaeus : p. 15. 



1. One of the perianths laid open, showing the stamens 



attached to the inner surface. 



2. The pistil. 



3. A section of one of the berries. 



D. Euphorbia amygdaloides, Linnceus : p. 16. 



1. One of the small flower-heads, with crescent-shaped 



glands, several erect male flowers, and a recurved 

 female flower. 



2. One of the male flowers separated, consisting of a scale 



and stamen only. 



3. The scale of the male flower. 



4. The tricoccous stalked ovary, with its three-cleft style, 



forming the female flower, which has no perianth. 



PLATE Y. 



A. Ulmus montana, Smith : p. 16. 



1. A perianth with stamens. 



2. The pistil. 



3. The winged seed. 



B. Salix Caprea, lAnnceus: p. 17. 



1. A branch, with the male catkins. 



2. One of the male flowers, separate. 



3. A female catkin. 



4. One of the female flowers, separate. 



5. A seed. 



C.~ Orchis maculata, Linnaus : p. 19. 



(The name is misprinted "mascula" on the plate.) 

 1. A flower, showing the three recurved sepals, two con- 

 vergent petals, and three-lobed lip. 



b 2 



