KEY TO PLATE XXI 



L.) 



#, Vertical section of a 

 flower, showing sepals, 3 

 petals of the rotate corolla, 

 3 out of 5 stamejis, i ovule in 

 the ovary, b, Three drupes. 

 c, Flowering stem, with ob- 

 long stem -Jeaves anfd a 

 corymb wit 





Flower fri vertical sec- 

 tion, showing gamosepalous 

 calyx, 'funnel-shaped corolla, 

 long epipetalous/ ' ^unens, v 

 ana long stigrpa. b^ Head 

 or ^ymi^ jwitti ^/ipt ^cadet 

 fruits (berries). 'isy Flowering 

 stem, with opposite sessile 

 leaves, and inflorescence, 

 with flowers in ifferent 



a, Vertical section of flower, 

 showing bell-shaped corolla, 

 epipetalous stamens, 2 styles, 

 and 2-celled ^)fary. b, Sec- 

 tion of fruit, showing hooke^l 

 an( j ovu ies -v***" v 



dicotvlous cmbr 

 fe pl^N^h^ 



, l^ves in' Whorls, 



and axiHary cynips. 

 with 4-fid 



4. Primrose 



(Primula vulgaris, Huds.) 

 \ a, Vertical section of long 

 styled flower, with epipetaj- 

 ous /stamens half-way dowri 

 the calyx, b, Vertical section 

 of short-styled form, 

 .stamens at the same level 

 as s^tyle in longrSjyled form 

 t, Hadical leaf, shidM^fRg de- 

 current lamina. V, Flower, 

 showing broad notched co- 

 i-olla-lobes and orange honey- 

 guides in the throat, on a 

 long peduncle. 



5. Wood Loosestrife^ 

 (Lysimackia ncmorum, L.) 

 a, Vertical section of flower, 

 showing lobes of 5 -partite ? 

 calyjc,3 lobes of Rotate corolla, 

 3 itetamens, aiid rounded 

 - cyvary, with filiform stigma 

 ', P^arrt. growing opposite 

 pairs of leaves, axillary 

 flowers on long stalk, with 

 nzirrow, -/calyx /lobfcs, \^a d nd 

 L istea/ flo\V(pt'^talk, \vrth 

 J>Vo\nd^ *23pjbfe and per/" 

 t style, 5-valved 



a, yertical section of isoli- 

 tary / flowery showing seg- 

 ments of 5-partite calyx, tube 

 of salver-shaped\ corolla, epi- 

 petalous stamen^ >ith/'S,hort 

 inbent filaments jahd bearded 

 anfhers, \with the cup-snaped 

 style and\club-shaped hairy 

 siigma. - '\*, Two follicles 

 opening arong/ 0ie sutures 

 showing the seeds. .'(Fruit 

 is rarely forrhejir.} "" ^, Flow 

 eririg stem, ;with opposite, 

 paired, .short -{stalked, eliipti- 

 ovate l<?avesi and, axillary 

 buds, also ar axillary flower, 

 showing whfte throat (wfco- 

 rolla and 5 broad phje }eg- 

 ments. 





phje } 

 V/ 



>n 



