10. DROSEKACEJE. 39 



the calycine appendages, 1. crenate-serrate lower ones ovate- 

 cordate, upper 1. ovate or ovate-lanceolate, stip, lyrate-pinnatifid,, 

 terminal lobe spathulate crenate, st. ascending. E. B. 1287. R- 

 iii. 21. V. Curtisii (Mack.) from Portmarnock. Root simple. 

 Fl. with the upper pet. purple, lateral ones bluish, lower one 

 yellow. Caps, ovate. Terminal lobe of the stip. often having 

 only one tooth on each side. j3. V. arvensis (Murr.) ; pet. 

 shorter than the calyx whitish, caps, nearly globular. E. B. S. 

 :2712. Common. A. V. IX. Heartsease. Pansy. 



Order X. DROSERACE^. 



Sep. 5, imbricate. Pet. 5, regular. Stam. 5 or 10, free. Styles 

 '3 or 5. Ovary free. Caps. 3 5-valved ; valves bearing the seeds 

 along their middle. Seeds without an arillus. L, with a circi- 

 aiate vernation. 



1. DROSERA. Cal. deeply 5-cleft. Pet. 5. Stam. 5, hypo- 

 gynous. Styles 3 5, deeply bifid. Caps. 1 -celled with 3 5 

 valves, many-seeded. 



2. PARNASSIA. Cal. deeply 5-cleft. Pet. 5. Stam. 5, peri- 

 gynous, with 5 scales fringed with glandular setae interposed. 

 Stigmas 4, sessile. Caps. 1 -celled, with 4 valves. Differs 

 from this Order by wanting the circinate vernation. 



1. DROSERA Linn. Sundew. 



1. D. rotundifolia (L.); 1. round spreading, petioles hairy, fl.- 

 stalks erect, seeds with a loose chaffy coat. E. B. 867. R. iii. 24. 

 Flower-stalks 2 6 in. high. " Stigmas white, clubbed, entire. 

 Anth. white." Borr. L. covered, as in all other species, with 

 hairs terminating in large glands secreting a viscid fluid which 

 retains insects that settle upon them. Common in boggy places. 

 P. VII. VIII. Round-leaved Sundew. 



2. D. intermedia (Hayn.) ; 1. spathulate obtuse erect, petioles 

 glabrous, fl. -stalks arcuate or decumbent at the base, seeds with 

 a close rough not chaffy coat. -R. iii. 24. D. longifolia Sm. E. B. 

 868. "Stig. pink, bifid. Anth. yellow." Borr. A variety 

 with shorter leaves and the flower-stalks shorter than the leaves 

 is sometimes found. Common in boggy places. P. VII. VIII. 



3. D. anglica (Huds.); 1. obovate-lanceolate obtuse erect, pe- 

 tioles glabrous, fl. -stalks erect, seeds with a loose chaffy coat. 

 E. B. 869. D. longifolia R. iii. 24, Koch, Fries. Much larger 

 and taller than the last. A variety, D. obovata (M. and K.), is 

 common in Scotland with broader leaves and the styles often, 



