(MUSTARD FAMILY.) 



Rocks bj streams, Vermont to Wisconsin and Kentucky. April - July. Glau- 

 cous : flowers golden-yellow and showy, or paler aud less handsome. Pods 

 1' long, uneven. 



2. C. gluiBCR, Pursh. (PALE COKYDALIS.) Stem tpriyht ; racemes 

 panic-led ; spur short and rounded ; pods erect, slender, elongated ; seeds with a 

 small entire crest. Rocky places; common. May -July. Corolla whitish, 

 shaded with yellow and reddish. 



4. FUMARIA, L. FUMITORY. 



Corolla 1 -spurred at the base. Style deciduous. Fruit indehiscent, small, 

 globular, 1-seeded. Seeds crestless. Branched annuals, with finely dissected 

 compound leaves, and small flowers in dense racemes or spikes. (Name from 

 fuinus, smoke.) 



1. F. oFFici> T XLis, L. (COMMON FUMITORY,.) Sepals ovate-lanceolate, 

 acute, sharply toothed, narrower and shorter than the corolla (which is flesh- 

 color tipped with crimson) ; fruit slightly notched. Waste places, about dwell- 

 ings. (Adv. from Eu.) 



ORDER 12. CRUCIFEfLE. (MUSTARD FAMILY.) 



Herbs with a pungent watery juice and cruciform telradynamous flowers : 

 fruit a s'dique or silicte. Sepals 4, deciduous. Petals 4, hypogynous, reg- 

 ular, placed opposite each other in pairs, their spreading limbs forming a 

 cross. Stamens 6, two of them inserted lower down and shorter. Pod 

 2-celled by a thin partition stretched between the 2 marginal placentae, 

 from which when ripe the valves separate, either much longer than broad 

 (a -s-///V/we), or short (a silicle or pouch), sometimes indehiscent and nut-like 

 (nuc amentaceous), or separating across into 1-seeded joints (lomenlaceous). 

 Seeds campylotropous, without albumen, filled -by the large embryo, which 

 is curved or folded in various ways: i. e. the cotyledons accutubcnt, viz 

 their margins on one side applied to the radicle, so that the cross-section of 

 the seed appears thus oQ ; or else incumbent, viz. the back of one cotyle- 

 don applied to the radicle, thus oQ). In these cases the cotyledons are 

 plane ; but they may be folded upon themselves, as in Mustard, where they 

 are conduplicatc, thus cgj). In Leavenworthia alone the whole embryo is 

 straight. Leaves alternate, no stipules. Flowers in terminal racemes or 

 corymbs: pedicels not bracted. A large and very natural family, -of 

 pungent or acrid, but not poisonous plants. (Characters taken from the 

 |>ods and seeds ; the flowers being nearly alike in all.) 



Synopsis. 

 I. SILIQUOSuE. Pod long, a s'dique, opening by valves. 



Tans I. ARABIDEJE. Pod elongated (except in Nasturtium) Seeds flattened. Oo- 

 tyleduus aocwnbent, plane. 



