KEY TO PLATE XXXVI 



No. I. Autunin Gentian 



{GentiAna Amarella, L.) 



a, Section of jj-lipb^ ccfrolla, with epipet- 

 alous stamen^, i^ (Ci|yx'(S-lobe(l), with 

 pistil (corolla removed), aVid 2 bent-back 

 stigmas, c. Upper part of plant, with 

 upper stem-leaues and flowers in terminal 

 and axillary racenies, flowers in various 



No. 2. Field Gentian 

 {Gentiana.campestris, L.) 



/ ,'' 



iA. 



a, Vertical vS^jtMoiii' (enlarged) of corolla 

 4-fid with epipelafous , stamens, b. Pistil 

 vfith calyx- (4-iid)> )vith 3 outer larger, 2 

 '^nner inrolled lobes, and recurved stigmas. 

 pirl of; plant, with stem-leaves, 

 s|dritjus' stages , with 4-fid 



^\ Or\ No. 3. Wild Thj^j. 



Q<-*» Corolla (enlarged), cut opeir, with 3-fid 



' ^wer 4ip, and epipetalous' stamens, 2 



(long, 2 short, b, Calyx-tube enclosing 



,«yary with 2-fid stigma on long style; 



I calyx teeth with 3-toothed upper 2-fid 



lower lip. c, Nutlet, d, Plant, showing 



creeping habit with rootlets from below, 



and aerial stem with opposite stalked 



leav£9^vand flowers in terminal whorl 



" — "\ JftAbixl,an<l exd^nded. ' '~" 



V. 

 pv^^^ No. 4.Claiii 

 i^lvia Veroena 



a, Section bf, corolla, w 

 stamens, and'obe anther 



b. Calyx-tube, wjlh corolWf 

 exsertenj bept style, c, fed^t-iekf, .^ih 

 wrinlcled surface, on long;~^lkp>ith, 



regular \teeth. . d^ Infl 

 flowers 'in whorls , in\ v^rToj 



0, 





/^\/T^ Sfc) * 



