HYPERICACEJ3. 43 



Swampn; nure. July and August. Scape 3 to 6 inches Ions, usually curved to 

 one side at the base. Flowers yellowish white 5 to 9 in a raceme, twice as large as 

 in the preceding. 



3. D. filiformis, Raf. Thread-leaved Sundew. 



Lcxves very lonx an I filiform, nearly erect, with no distinction between the blade 

 and the stalk, glandular the whole length; scape longer than the leaves, many- 

 flowered, simple or bifid. 



Sandy Swamp?. Aug. and Sept. S:ape S to 12 inches high. Leaves 6 to 20 

 Inches long. Flowers purple, few, in a 1-sidcd raceme. 



Sub-order. PARNASSIEJE. 



Smooth herbs with slightly perigynous stamens, an outer 

 series of them sterile and in clusters, imbricated petals and 

 4 sessile stigmas opposite the parietal placenta?. Leaves 

 alternate, not coiled in the bud. — Consists of the following 

 genus of doubtful affinity. 



2. PARNASSIA. Linn. 



From Mount Parnassus ; on account of the beauty of this plant. 



Calyx deeply 5 cleft. Petals 5, veiny, spreading, rather 

 persistent, with a cluster of somewhat united sterile filaments 

 at the base of each. Stamens 5, alternate with the petals. 

 Stigmas 4, sessile. Capsule 4-valved, 1-celled. Seeds 

 very numerous, arillate. — Perennial herbs with chief?/ entire 

 radical leaves; and solitary flowers terminating the long naked 

 scapes. 



P. Caroliniana, Michx. Grass of Parnassus. 



Radical leaves cordate, orbicular-ovate on long petioles; stem leaf sessile, clasp- 

 ing; sterile filaments in 5 clusters, 3 in each, distinct to near the base, surmounted 

 with little yellow spherical tips; petals more than twice as long as the calyx, 

 marked with many greenish transparent veins. 



Wet banks : Limestone, Montour Co. Not common. Aug. and Sept. Scape 12 

 to 18 inches high. Leaves about 7-veined, usually but one on the stalk low clown 

 and clasping. Flowers solitary, large, yellowish-white. An elegant and interest- 

 ing plant. 



Order 18. EYPERICACEJE. 



Herbs or shrubs ivith opposite entire dotted leaves and no stipules, regular hypogy* 

 funis flowers, with many or few stamens collected in three or more clusters, or bundles. 

 Flowers perfect, mostly yellow, with cymose inflorescence. Sepals 4 to 5 persistent, 

 imbrioatcd in the bud. Petals 4 to 5 mostly deciduous with a twisted aestivation 

 and oblique veins. Stamens usually numerous and cohering at base in three or 

 more parcels. Capsule 2 to 5 (rarely 6 to 7,) lobed, with as many persistent styles 

 vhich are at first sometimes united, 1-celled with 2 to 5 parietal placnetae. Sbh>3 

 ^ery numerous, small, without albumen ; ehbeto straight. 



