DECANDRIA DECAGYNIA. 293 



it continues throu.^hout the mountains to Georgia, most- 

 ly upon the shelvings of rocks and also upon the trunks 

 of decayed trees on the banks of the Oliio, Stc. 2. ternc- 

 tum. Generally accompanying' the preceding'. 3. steiiO' 

 petalutn. Ph. Towards the Columbia. 4. telepJdoides. 

 Scarcely distinct from S. TelepMr.m. 



Almost exclusively an European genus. 



S23. *DIAMORPHA.t 



Cafe 4 -cleft. Petals 4.', Capsule opening ex- 

 teriially, 4-celled, cuspidate, cusps subulate, di- 

 vergent; cells about 4-seeded. 



A very small succulent biennial, verticillately branched 

 from the base; branches 3 or 4; flowers minute, cymose, 

 terminal; leaves alternate subterete. 



Species. 1. D. pusilla. Sedum pmiUum. Mich. 1. p. 

 276. Tillcea cymosu yO^\\\e, present publication, v/hich see 

 p. 110, it is however very distinct from that or any other 

 genus with which I am acquainted. The capsule is at 

 length coriaceous, its summit nearly flat, with 4 horizon- 

 tal diverging subulate cusps, tlie cells uniformly 4 areca- 

 rinate and open externally. Although the fruit may be 

 considered as 4 ingrafted capsules, they are never at any 

 period separable. 



Note. This genus should have been placed in Ocian- 

 dria Tetragynia. 



Order VI.—DECAGYNIA. 



324. PHYTOLACCA. L. (Poke.) 



Calix 5-leaved, petaloid. Berry superior, 

 10-celled, 10-seeded. 



Herbaceous, rarely shrubby; flovrers racemose, racemes 

 often opposite to tlie leaves, rarely axillary; leaves acute, 

 mostly lanceolate. St\ les 5, 7, 8, and 10: stamina 7, 8, to 

 20. 



Species- 1. P. decandra. The young shoots when 

 boiled form an article of diet, while the full grown plant 

 proves a drastic purgative. A tincture of the ripe berries 



f From ^'K^f^^P^ ''I, deformed, or contrary formed; in reference 

 to the friiii, which is formed differently and contrary to the 

 rest of the SzMPEBVJv^. 



c c 2 



