26 CRUCIFEK^. (mustard FAMILY.) 



* * Annuals. 



3. C. spathulata, Miclix "Radical leaves petiolate, spathulate, entire, 

 pubescent with brandling hairs ; stem-leaves linear Stem decumbent, silique 

 linear, straight, spreading and slightly reflexcd, pointed with the sessile stigma." 

 (DC.) — High mountains of Carolina (J//cAaur). (*) 



4. C. Ludovieiana, Hooic. Low; stems brandling and hairy at the 

 base ; leaves lanceolate, pinnatifid with numerous oblong or linear sparingly 

 toothed lobes, those of the root tufted ; silique broadly linear, erect-spreading, 

 pointed with the sessile stigma; seeds orl)icular, margined. — Waste places near 

 dwellings, Florida to North Carolina and westward. March and April. — Stems 

 4' -6' high. Flowers small, white. 



5. C. hirsuta, L. Smooth or hairy ; stem erect ( 1° - 2° liigli), branching ; 

 leaves pinnatifid, with numerous oval or oblong sparingly toothed lobes, those 

 of the upper leaves linear and entire ; silique narrow-linear, erect, pointed with 

 the nearly sessile stigma; seeds oval, minute, marginless — Var. Yirginica. 

 (C. Virginica, Michx.) Smaller (6' -10' high); lobes of the leaves linear or 

 filiform. — Wet (the variety in dry) soil, Florida and northward. March and 

 April. — Flowers small, white. 



4. DENTARIA, L. Toothwort. 



Sili<iue lanceolate, flattened. Seeds ovate, disposed in a single row in each 

 cell, on flattened stalks, not margined. — Perennial herbs, with creeping fleshy 

 roots, and simple stems, bearing at the summit 2-3 palmatcly-divided leaves, 

 and a single raceme of large white or purple flowers. Radical leaves on long 

 petioles 



1. D. diphylla, Midix. Root not jointed ; stem-IeaveS 2, opposite ornear- 

 ly so, ternately divided ; leaflets ovate or ovate-lanceolate, coarselj'- toothed ; 

 those of the root similar ; racemes many-flowered, longer than the leaves; flow- 

 ers white. — Rich shady woods, along the mountains and northward. April. — 

 Stem 8' -12' high. Root pungent. 



2. D. laciniata, Muhl. Root jointed ; stem-leaves mostly 3, whorlcd, 

 tematcly divided ; leaflets lanceolate or linear, lobed and toothed ; the lateral 

 ones 2-parted, those of the root similar or sometimes wanting; racemes few- 

 many-flowcred, often shorter than the leaves ; flowers white or pale purple. — 

 Banks of rivers in shady places, Florida and nortiiward. Feb. - April. — Stem 

 4' -12' high. 



3. D. heterophylla, Nmt. Root jointed; stem-leaves 2, small, opposite, 

 3-parted ; leaflets linear, toothed or entire ; root-leaves temate, with large ovate 

 crenately-lobed and toothed leaflets; racemes few-flowered ; flowers ratlier small, 

 purple. — Shady woods, North Carolina and northward. April. — Stem 6'- 12' 

 high. 



4. D. multiflda, Muhl. Root tuberous ; stem-leaves mostly 3, wliorled, 

 2 -3-ternatdy divided into very narrow segments ; flowers white — Shady woods 

 in the upper districts, Alabama and northward. Stems 6' -8' high. Leaves 

 often as finelv divided as those of the Carrot, sometimes approaching some of 

 the forms of No. 2, but with smaller flowers, and longer petioles and pedicels. 



