ORDER 11. CRUCIFERS. 3C 



In the following table we endeavor to combine with the systematic 

 wrangement of DeCandolle a more practical artificial method : 



* Crucifers native, or cultivated for food. () 



* Crucifers exotic, cultivated for ornament or art. ( ) 

 Fruit a long pod, silique ( 166), opening by 2 valves, (a) 



Fruit a short pod, silicle ( 166), opening by 2 valves, (e) 



Fruit a jointed pod, loment, partitioned across Nos. 28, 2S 



a Flowers cyanic. b Seeds arranged in a double row in each cell Nos. 1, 2 



6 Seeds in 1 row. r, Pods sessile on the torns Nos. 3, 4, 5 



e Pods on a slender stipe No. 12 



a Flowers yellow. d Seeds flat, wing-margined No. 6 



d Seeds ovate or oblong Nos. 9, 10, 11 



d Seeds globular No. 15 



Flowers bright yellow. Silicle turgid, or slightly flattened Nos. 1, 20, 21 



Flowers cyanic./ Silicl* turgid, with a broad partition Nos. 19, 22 



/ Silicle flattened parallel with a broad partition Nos. 16, 18 



f Silicle flattened contrary to the narrow partition Nos. 21, 26 



Fruit a silique or long pod, opening by 2 valves Nos. 7, 8, 13, 14 



Fruit a silicle # with 1 seed only, and indehiscent No. 27 



# with 2 or more seeds.'; Petals all equal Nos. 16, 17 



A Petals unequal No. 23 



J'RIBK I. ARABIDEjE. Pods mostly elongated. Seed oval or orbicular, more ar less flattened. Co- 

 tyledons accumbeut (=o). 



1 Seeds small, turgid, in a turgid, oblong or oval pod / NASTURTIUM. 



2 Seeds flattened, in a long, linear pod. Plants very erect TURRITIS. 



3 Silique linear, seeds in 1 row, not bordered. Purple IODANTHUS. 



4 Silique linear, each valve with 1 central vein, not opening elastically ARABIS. 



5 Silique linear or lanceolate, valves veinless, opening elastically CARDAMINE. 



6 Silique oblong, flattened, seeds wing-margined. Leaves radical LEAVENWORTHIA, 



7 Silique long, OO-seeded. Stigmas distinct, 2-horned MATTHIOLA. 



8 Silique long, OO-seeded. Stigmas capitate. Leaves entire. Flowers yellow. .CHEIRANTHUS. 



9 Silique 4-angled, 2-edged, rigid. Leaves lyrate-pinnatifid BARBAREA. 



TRIBE II. SISYMBRIE^E. Pod elongated. Seeds oblong. Cotyledons incumbent (Jo), oblong. 



10 Calyx erect. Pods 4-sided, valves strongly 1 -veined Leaves lanceolate ERYSIMUM. 



11 Calyx half spreading. Pods subterete. Leaves dissected or incised SISYMBRIUM. 



12 Very smooth herbs, with the white flowers in corymbs. South WAREA.' 



13 Stigma of 2 converging lobes. Petals entire, oblique. Leaves lanceolate HESPERIS. 



14 Stigma lobes connate. Petals piunatifid, involute in aestivation SCHIZOPETALOJ* 



TRIBK III. BRASSICE^E. Pods elongated. Seeds globular, (( o . 



15 Pod terete or 4-sided BRASSICA. 



TRIBE IV. ALYSSINE^E. Fruit short, septum broad. Seeds in 2 rows. Cotyledons o . 



16 Silicle mostly orbicular, flattened. Cells 1-4-seeded ALYSSUM. 



17 Silicle very large, orbicular-oval, very flat, stipitate. Cultivated LUNARIA. 



18 Silicle oblong or elliptical Seeds CO, not margined. Pet. entire or 2-cleft. . . .DRABA. 



19 Silicle globular or ellipsoid. Seeds few. Flowers white ARMORACIA. 



20 Silicle globular, inflated, thin, veinless. Flowers yellow VESICARIA. 



TRIBE V. CAMELINE^E. Pods mostly short. Septum broad. Cotyledons | e. 



21 Silicle obovoid, with ventricous valves, many seeds. Flowers yellow C AMELINA. 



72 Silicle oval, turgid, few-seeded. Leaves linear, radical. Flowers white SUBULARIA. 



TRIBK VI. THLASPIDE^E. Pods snort, septum narrow. Cotyledons accumbent. (23)..lBERis. 

 TRIBE VII. LEPIDINE^E. Pods short, septum narrow. Cotyledons incumbent. 



24 Silicle triangular, many-seeded. Flowers white CAPSELLA. 



25 Silicle oval-orbicular, 2-seeded. Flowers white, often incomplete LEPIDIUM. 



26 Silicle didymous, each half 1-seeded. Flowers minute SENEBIERA. 



TRIBE VIII. ISATIDE^E.-Silicle short, 1-celled, 1-seeded, indehiscent. (27) Cult.. . .ISATIS. 

 TRIBK IX. CAKALINE^E. Pod 2-jointed. Cotyls. o. (28) Fleshy sea-side herbs.. .CAKILK. 

 TRIBE X. RAPHANEjfi. Pod moniliform. Cotyledons (( o . (29) Leaves lyrate RAPHANUS. 



