KEY TO PLATE L 



No. l. Great Spcarwort 

 (Jta***CMi*s Lingvo, L.) 



a, Achene. d, Upper stem- 

 leaf, and upper part of plant 

 with stem-leaf, with axillary 

 flower-buds, and one terminal 

 flower, with 5 petals, and 

 stamens on hairy flower- 



Marsh Marigold 

 (CcUtha palustris, L.) 



a, Group of 8 follicles, with 

 seeds, b, Seed, c, Upper 

 part of plant, with stem-leaf, 

 flowers in various stages, 

 i expanded, showing 5 petal- 

 oid sepals and stamens (in- 

 definite), with central follicles. 



No. 3. Grass of Parnassus 

 (Pamassia palustris, L.) 



a, Flower, on long peduncle, 

 showing 5 petals, 5 stamens 

 with 5 scales between, and 

 central pistil. The 5 sepals 

 alternating with petals can a 

 be jus* seen. .&, Scale, with 

 glands enlarged, r, Seed. 

 d, Capsule, with valves and 

 recurved persistent sepals. 

 c. Flower, with upper stem- 

 leaf, showing 5 s,-|,,ils /; 

 Rootstock, with radical 

 ; leaves (compare these with 

 those of Valeriana </;/<</ 1 







No. 4- Sundew 



(Drosera rotundifolia, L.) 



a, Andraecium, with 5 stamens, and 

 gyiuccium, with pistil with 5 styles, b, 

 Tentacle from leaf-margin, c. Leaf, with 

 some tentacles bent down, imprisoning 

 an insect captive, other tentacles in the 

 act of bending. </, Capsule dehiscing by 

 valves, f, Seed. / P4ant with rosette 

 of radicle leaves with glands, and 2 scapes 

 with flowers in various stages in scorpioid 



,>,. 



d 



No. 5. Water Dropwort 







a, Flower (enlarged), from above, show- 

 ing irregular petals, notched, indexed, 

 5 stamens, and pistil. />, Partial umbel, 

 with pistils, showing 2 divergent styles. 

 c t Flower, with calyx teeth, petals fallen, 

 and pistil with spreading styles. </, 

 Umbel of 5 rays, with leaf sheathed at 

 base below, e, Leaf, with narrow dis- 

 tant segments. 







