174 



THE FLORA. 



4 D longifolia. Lvng-ltav<l S. Lvs. spatulate, on 



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

 f C linearis. Linear-leaved S. Lvs. linear, obtuse; 



stalks smooth. 3-6'. White. 

 D. flliformis. T/iread-Uaced S. Lvs. filiform, long. 



8?ape If. Purple. 



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



Sopals 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. If 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. Lea"cs spread- 

 ing, the petiole broadly winged, ending in a roundish 

 blade which is fringed with ispir.cs, instantly closing 

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

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

 flowers. Apr., May. \ 



Fig. 408. Venus' Fly-trap. Fig. 404. Ovary and style. 

 Fig. 405. Section of ovary. 



3. PARNAS'SIA. Grass-of-Parnassus. 



['..iJl[a 



Sepals 5. Petals 5, inserted on the calyx (pe- **>^j0r 

 rigynous). Stamens also perigynous, in 2 rows, 406 408 404 

 the outer row of numerous sterile filaments, united 



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

 sule 4-celled. Seeds very numerous. n Elegant herbs, with radical 

 leaves and 1 -flowered scapes. 



I P. Carohnia'na. Meadow G. Sterile filaments, 3 in each set. Leaves about 



7-vcined, broadly oval or ovate, radical ones on long stalks, caulinc few, neu 



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



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



P ararifolia. JJroad-leaved G. Sterile filaments, 3 in each set. Lvs. icriiforni. S 



8 F palus'tris. Swamp G. Sterile filaments, U-15 ui eaoh set. Lvs. cordate. A'. W 



