XX EXPLANATION OF THE PLATES. 



same after the pollen is discharged . 253. Eucalyptus robusla. a. Calyx 

 and pistil, b. A stamen enlarged, c. Lid lifted off. 



TAB. 20. Jig. 254. Blakea trinervis. a. Stamens, b, b. Some of the 

 same separate, c. Outer and inner calyx, with the pistil. 255. Lythrum 

 Sulicaria. a. Calyx and style, b. Petals and stamens, showing their 

 insertion into tlie calyx, c. Pistil separate. 256. Rosa spinosissima. 

 257. Fruit of the same. a. Seed. 258. Sibbaldiu procumbens. a. Back 

 of the calyx, b. Petal, c. Stamen, d. One of the Pistils. 259. Fragaria 

 vesca. a. Ripe fruit. 260. Spiraa Fi/ipendula. a. Petal, b. Stamen. 

 c. One of the pistils. 261. Prunus Cerusus. a. Drupa. 262. Viminaria 

 denudutu. a. Stamens, all distinct, b. Pistil, c. Legume, and permanent 

 calyx. 263. Astragalus f/t/poglottis. a. Stamens and pistil, b. Legume. 

 c. Seed. 264. Semecarpus Anacardium. a. Barren flower, b. Perfect 

 one. 



TAL. 21. fig. 265. Euonymus curopaeus. a. Ripe capsule, b. Tunic cut 

 across to show the seed. c. Seed naked. 266. Rhamnus cat hart tens. 



a. Segment of the limb of the calyx, b. Petal and abortive stamen. 



c. Pistil of a fertile flower, d. Rudiment of pistil in a barren one. 

 e. Berry. 267. Lusiopctalumferrugineum. a. Pistil enlarged, with the 

 petals, b. Stamen. 268. Euphorbia hiberna, magnified, showing thejoints 

 of the stamens, where, according to Mr. Brown, those parts unite with 

 their partial stalks. 269. Pistil of Bums sempervirens. a. Transverse 

 section of the germen. 270. Bryonia dioica. a. Barren flower, b. Berry. 

 271. Fassiflora suberosa. a. Ripe berry, with the permanent calyx and 

 styles, b. Seed. 272. Dorstenia cordifolia. a. Part of the receptacle 

 magnified, with barren and fertile flowers. 273. Urtica urens. a. Bar- 

 ren flower, with it's central nectary, b. Calyx in fruit. c.Seed. 274. Hu- 

 mulits Lupulus. a. Barren flower, b. Stamen magnified, c. Fertile flower. 



d. Pistil with the tunic, magnified. 275. Taxm baccuta. a. Barren flower. 



b. Fertile flower, c. Ripe fruit. 276. Pinus sytvestris. a. Anther mag- 

 nified, b. Scale of an unripe cone, the natural size. c. Ripe seed. 

 277. DacryeKum cuprcssinum, from Lambert's Finns, tab. 41. a. Tip of 

 a branch, with the solitary fertile flower, b. Scale of a barren flower, 

 with the double anther, magnified. 



