ORDKK V'l. CEIillKRIDACEJ!:. 215 



4. A shrub Berleria. 1 



An herbaceous plant Leontice. 2 



5. Stamens 4 Crocmiin. 6 



Stamens 8 Jeffersonia. 4 



Genus L— BER'BERIS. L. 6—1. Barberry. 

 (From berberid, the Arabian name of the fruit.) 



Sepals 6, generally bracteolate. Petals 6. with 2 glands at 

 the base of each. Stamens 6, irritable, flying up on being 

 touched at the base. Stigma sessile, orbicular, depressed. 

 Fniit a berry, 1 -celled, 1 — 9-seeded, seeds erect. 



1. B. Canaden'sis, (Pursh.) Branches tliickly dotted, numerous, an- 

 gular, when young, yellow, glabrous. Leaves simple, obovate, with 

 remote spine-like serratures, obtuse, mucronate, cuneate at the base, 

 glabrous, by pairs on young shoots, clustered on the summits of the 

 last year's buds. Flowers in racemes, 6 — S-flowered. Sepals ovate, 

 acute. Petals ovate, emarginate, Avith 2 purple glands. Berry oval, 

 red, acid. Yellow. U. April. Mounlains. 1 — 3 feet. 



The Barberry of the gardens (which is the European variety) differs in some respects 

 from tlie B. Canadensis" above described. Tlie berries are larger and more juicy. It 

 is cultivated for the berries and bark ; the former are sour, and are u.'sed for their grate- 

 ful acid tlavor. Tliey are iLsed in preparing drinks in febrile diseases, and are said to 

 be antiscorbutic. The bark is used in medicine for jaundice, and in the arts for dye- 

 ing yellow. The coloring inatter is a crysta.li/able substance culled berberin. 



Genus II.— LEOX'TICE. L. 6—1. Cohoi^h. 



(Abridged from LeontopeUilon, which is derived from leon^ a lion, and petalon, 

 a leaf, because the leaf of the L. leontopetalon is said to bear some resemblance to a 

 lion s foot.) 



Seimls 6, colored. Petals 6, opposite the calyx, bearing a 

 reniforin scale within. Stamens G, opposite the petals. Carpel 

 stipitate, 2 — 4-seeded ; seeds erect, globose. 



1. L. thalictroi'des, (Linn.) Stem simple, glabrous.. Leaves 3-tcr- 

 nate, leaflets ovate, obiique at the base, terminal one broadest, petiolate, 

 radical ones with long petioles, cauline ones sessile, lower 3-ternate, 

 up[)er smaller, and 2-ternate. Leajtcls incisely lobed. Flowers small, 

 in panicles. Seeds oval, dark blue, stiped. — Greenish yellow. ^ . 

 April. Upper districts of Car. and Geo. 12 — 14 in. Pappoose Root. 



Genus III.— DIPHYLLE'IA. Mich. 6—1. 

 (From the Greek dis, double, &nil phuUo7i, leaf) 



Sepals 3, deciduous. Petals 6, without glands. Stamens 

 6, oppo.site the petals ; anthers oblong, 2-celled. Ovary ovate, 

 eccentric ; stigma subsessile, peltate. Fruit baccate, 1 -celled, 

 2 — 3-seeded ; seeds reddish. 



1. D. cvMo'sA, (Mich.) Root perennial, thick. Stem herbaceous, 

 erect. Leaves alternate, usually 2 on each stem, peltate, deoply 2-lobed, 

 lobes angled, each division 7 — 9-lobed, serrate. Flowers in a terminal 

 cyme. Petals oval. Style short.— White. U. .Tune. Mountains. 

 1—2 feet. 



