2 IS HEXANDRIA. MONOGYNIA. 



filiformly bidentate^ anthers (as in Berheris) 

 growing to the filaments; cells opening by so 

 many vertical elastic valves. Berrtj many- 

 seeded. 



Suffruticose plants with pinnated leaves and terminal 

 aggreg^ated racemes; berries purple. 



Species. 1 M. Aqiiifolium. Leaves unequally pin- 

 nate, about 3 pair, leaflets oblong-oval, acute, repandly 

 and mucronately toothed, veined, obliquely truncate at 

 the base; petals bifid at the points. Bei'beris Agnifolinm, 

 Pursh, Flor. Am 1. p. 219. t. 4. 



Obs. Surculose; stem suffiut loose, 6 to 12 inches higli; 

 leaves and flowers terminal. Leaves sempervirent, shin- 

 ing, dark green. Racemes aggregated, terminal, erect, 

 many-flowered, pedicells bracteate at the base, sometimes 

 with an atiditional bracie near the extremity. Oalix 9- 

 leaved, leaves in 3 serits, exterior bracteiform and small, 

 the 3 interior longer than the corolla, nearly three times 

 the length of ilie otiier calix leaves, cuneate-oval, obtuse 

 and nerved. Petals connivent over the stamina, oblong- 

 lanceolate, bifid at the point, destitute of the glands of 

 Berberis, bui nectariferous at the base. Stamina, fila- 

 ments linear, flat, about the lengtli of the anthers, with a 

 short fililbrm process on either side of eacli, arising from 

 the base of the anther; valves of the anthers erect, conspi- 

 cuous; cells margined on one ^ide. St)le none. Stigma 

 entire, orbicular, flat, and umbihcate. Germ ovate, gib- 

 bous or excentric, immature seeds 9, or nsore, oblong- 

 cj lindric, attached tu the base of the lieiry. Flowers sweet- 

 scented, coming out in May, (in Mr. Mc.Malion's green- 

 house.) Cultivated for several years by Mr. McMahon fiom 

 seeds collected in the Rocky Mountains by the late gover- 

 nour Lewis. 



2. nervosa. Leaflets 6 pair, ovate-oblong, repandly ser- 

 rate, somewhat J-nerved, petals entire. — Berberis nervosa. 

 Pursh, L p. 219. t. 5. 



A third species of this genus is indicated by Mr Pursh 

 as indigenous to the kingdom of Napaul in India; probably 

 in a mountainous country. 



308. PRINOS. L, (Winter-berry.) 



Calix small, 6-cleft. Corolla monopetaloiis, 

 subrotate, 6-parted. Bcmj 6-sceded; seeds Jiu- 

 ciform. 



