XIV BRITISH FLOWERING PLANTS 



FIG. PAGE 



177. Utricularia vulgaris: opening of bladder, seen in front, mucli 



enlarged ..... . 277 



178. Utricularia vulgaris : mouth of bladder, seeii sideways . 278 

 179-180. Pinguicula alpina : transverse sections tlirougli leaf . 280 



181. Do. piece of epidermis of leaf, showing 



the two kinds of gland (after Kerner) . . 280 



182, 183. Fraxinus excelsior : samara with half removed and the 



seed pulled out, and longitudinal section of seed . .282 



184-186. Vinecc minor : flower after the removal of the front part 



of the corolla, with pistil and stamen . . .285 



187, 188. Menyanthes trifoliata : short-styled, and forms of flower 



of long-styled (after Knuth) . . . 288 



189, 190. Myosotis versicolor : young and older flower . 296 



191. Anther of Borage ...... 297 



192, 193. Lathr^a : piece of an underground shoot, and longi- 



tudinal section through the same (after Kerner) . 303 



194. Lathrsea : longitudinal section through a leaf (after Kerner) 304 



195, 196. Lathrtea : piece of the wall of a cavity, and plasmic 



threads radiating from the cells of the little heads (after 

 Kerner) ... . 305 



197. Verlascum nigrum (after Bentham) . . 306 



198. Scrophularia nodosa do. . 310 

 199-201. Digitalis purpurea: section of flower, showing the 



anthers in three stages (after Ogle) . .313 



202. Veronica Ghammdrys (after Bentham) . 314 



203-205. Bartsia alpina: subterranean bud, cross-section through 



part of the bud, and the margin of a bud scale in section . 318 

 206, 207. Bartsia Odontites: flowers with short and long pistil 



(after H. Midler) . 318 



208. Seed of Melampyrum and chrysalis of Formica fusca . 319 



209. Euphrasia officinalis : shoot, with flower, pistil, and fruit 



(after Bentham) . . . . 322 



210. Euphrasia officinalis: partial section of flower, enlarged 322 

 211-213. Lamium album (White Dead-nettle) (after Bentham) with 



flower and section of flower . . 326 



214. Group of Dead-nettles and Stinging-nettles . . 328 



215. Diagram to show arrangement of stamens in Nepeta . 330 



216. Diagram to show position of stamens in most Labiates . 330 



217. 218. Scutellaria galericulata : side and front views of flower 



(after Knuth) . . . . . .331 



219. Teucrium Scorodonia : flower in the first state, with anthers 



erect ... ... 336 



