174 



THE FLORA. 



4 D longifolia. Long-leaved S. Lvs. spatulate, on 



long, smooth stalks. 4-7'. White. (Fig. 20, 21.) 



5 D. linearis. Linear-leaved S. Lva. linear, obtuse ; 



stalks smooth. 3-6'. White. 

 € D. filiformis. Thread-leaved S. Lvs. filiform, long. 

 S:ape If. Purple. 



2. DION^'A. Venus' Fly-trap. 



Sepals 5, spreading. Petals 5, obovate, with 

 pellucid veins. Stamens 10-15. Style 1. Stig- 

 mas 5, many-cleft. Capsule breaking irregularly 

 in opening, 1 -celled, many-seeded. — U Glabrous 

 herbs. Leaves all radical, sensitive, closing con- 

 vulsively when touched. Scape umbelled. 



D Muscip'ula. A very remarkable plant, in sandy bogs, 

 at the South, sometimes cultivated. Leaves spread- 

 ing, the petiole broadly winged, ending in a roundish 

 blade which is fringed with spines, instantly closing 

 upon insects which alight upon it. Scape 6-12' 

 high, bearing an umbel of 8-10 white, handsome 

 flowers. Apr., May. t 



Fig. 403. Venus' Fly-trap. Fig. 404. Ovary and stylo. 

 Fig. 405. Section of ovary. 



Grass-of-Parnassus. 



8. PARNAS'SIA. 



Sepals 5. Petals 5, inserted on the calyx (pe- 

 rigynous). Stamens also perigynous, in 2 rows, 

 the outer row of numerous sterile filaments, united 



in 5 sets, the inner row of 5 perfect stamens. Stigmas 4, sessile. Cap- 

 sule 4-c.elled. Seeds very numerous. — 11 Elegant herbs, with radical 

 leaves and 1-flowered scapes. 



1 p. Carohnia'na. Meadow G. Sterile filaments, 3 in each set. Leaves about 



7-veined, broadly oval or ovate, radical ones on long stalks, cauline few, new 



the ground, sessile, clasping. Scape about If. high, bearing one flower at top, 



which is about V across. Petals marked with green veins. July., Aug. 



P asarifolia. Broad-leaved. G. Sterile filaments, 3 in each set. Lvs. reniform. S 



8 F palus'tris. Swamp G. Sterile filaments, 9-15 in eaoii set, Lvs, cordate. N, W 



