226 ORDER XIII. CRUCIFER^ 



Genus VIL— ERYS'IMUM. L. 14—2. 

 (From the Greek eruo^ to cure.) 



>Si'%2ie columnar, 4-sided. Sepals deciduous, closed. Style 

 short. Stigma small. Cotyledons oblong. 



1. E. oheikanthoi'des, (L.) Stem simple or branche'^l with a minute 

 appressed pubescence, somewhat scabrous. Leaves lanceolate, entire, 

 sometimes denticulate. Silique erect, about an inch long. Flowers 

 small. — Yellow. July and Aug. %. 1 — 2 ft. Along streams. 



Genus VIII— WA'REA. Nutt. 14—2. 

 (In honor of Mr. Ware.) 



Silique flat, stiped, elongated, slender, curved, pendulous'. 

 Sepals deflected, spatulate, or ligulate, colored, caducous. Pe- 

 taU spreading, with long claws. With six glands at the base 

 of the stamens. Leaves entire. 



1. W. amplexifo'lia, (Xutt.) Stem branched above, gl ibroua. 

 Leaves oblong, ovate, acute. Flowers in umbel-like racemes, mut-h 

 crowded ; petals with the limb nearly orbicular, claw longer than the 

 limb. Silique linear, stipe fiUform, purplish. — Pale purple. #. Fiur. 

 1—3 feet. 



2. W. cuneifo'lia, (Nutt.) Stem branched above, glabrous. Leaves 

 nearly sessile, oblong, obtuse, upper ones oblong-linear. Racemes with 

 the flowers clustered at the extremities of the branches. SepaLs mi- 

 nute. Petals with the limb nearly round, supported on a long claw. 

 Stamens longer than the petals. Anthers linear. Stigmas sessiie. Si- 

 lique tiliform, nearly 2 inches long. — White, tinged with purple ^. 

 June and Aug. Middle Geo. and Car. 1 — 2 ft. 



The last species is a beautiful plant, and would well repay the florist's care, if it im- 

 proved none by cultivation. 



Genus IX.— BRAS'SICA. L. 14—2. {Cabbage.) 

 (From the Celtic word bresic, which signifies cabbage.) 



Calyx erect, converging. Silique roundish, crowned with a 

 short style. Seeds in one row. Flowers in racemes, pedicels 

 filiform, bractless. Radical leaves lyrate or pinnatifid. Bien- 

 nial plants. 



1. B. olera'cea, (L.) Leaves glaucous, fleshy, repand or lobed. — #. 

 Yellow. England. Cabbage, Cautijlower, Collard, Brussels Sprouts. 



2. B. ra'pa. Radical leaves lyrate, not glaucous, upper ones entire. 

 Roots napiform, or fusiform. — @. Europe, I'urnips. 



Genus X— SINATIS. L. 14—2. 

 (From the Greek sinapi, applied to all plants resembling cabbage or turnip.) 



Silique nearly terete, nerved. Style short, acute. Seeds 

 in a single series. Sepals spreading. Leaves usually lyrate. 

 Flowers in elongated racemes. 



