212 tIEXANDRIA. MONOGYNIA. 



filiformly bidentate; anthers (as in Berberis) 

 growing- to the filaments; cells opening by so 

 many vertical elastic valves. Berry many- 

 seeded* 



SuflTruticose plants with pinnated leaves and terminal 

 agg^reg'ated racemes; berries purple. 



Species. 1- M. Aqvifolium. Leaves unequally pin- 

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

 and mucronately toothed, veined, obliqueJy truncate at 

 the base; petals bifid at the points. Berberis JiqiiifoUiiiUy 

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



Obs. Surculose; stem sufFiuticose, 6 to 12 inches high; 

 leaves and flowers terminal. Leaves sempervirent, shin- 

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

 many-floweredi pedicells bracteate at the base, sometimes 

 with an additional bracte near the extremity, Calix 9- 

 leavedj leaves in 3 series, exterior bracteiform and small, 

 the 3 interior longer than the corolla, nearly three times 

 the length of the other calix leaves, cUneate-oval, obtuse 

 and nerved. Petals connivent over the stamina) oblong- 

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

 Berberis, but nectariferous at the base. Stamina, fiUi- 

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

 short filiform process on eitlier side of each, arising froni 

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

 t'uous; cells margined on one ^ide. Style none. Stigma 

 entire, orbicular, flat, and umbilicate. Gei'm ovate, gib- 

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

 cylindric, attaclied to the base of the berry. Flowers sweet- 

 scented, conung out in iMay, (in .Mr. McMahon's green- 

 liouse.) Cultivated for several years by Mr. McMahon from 

 seeds collected in the Rocky xMountains by tiie late gover- 

 uour Lewis. 



2. 7ierv6sa. Leaflets 6 pair, ovate-oblong, repandly ser- 

 rate, somewhat 5-nerved, petals entire.— i/c/v^em 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. TRINOS. 7>. (Winter-berry.) 



Calix small, 6-cleft. Corolla monopetaloiis, 

 subroiate, 6-partcd. Bcrrij 6-seededj seeds iiii- 

 ciform. 



