26 CRUClFEKili. (mustard FAMILY.) 



* * Annuals. 



3. C spathtllata, Michx " Rivdlcal leaves pctiolate, spathulatc, entire, 

 pubescent witli braneliing liairs ; stem-leaves linear Stem decumbent, silique 

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

 {DC.) — High mountains of Carolina (Michaux). ( •) 



4. C. Ludoviciana, Hook. Low; stems branching and hairy at the 

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

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

 poiiucd with the sessile stigma; seeds orbicular, 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 (l°-2° high), 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. Virginica. 

 (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. TooTiiwonr. 

 Silique 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. Kadical leaves on long 

 petioles. 



1. D. diphylla, Michx. Root not jointed ; stem-leaves 2, opposite or near- 

 ly so, ternately divided; leaflets ovate or ovate-lanceolate, coarsely 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, wliorled, 

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

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

 many-flowcrcd, often shorter than the leaves ; flowers white or pale pur))le. — 

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

 4'- 12' high. 



3. D. heterophylla, Xntt. Root jointed; stem-loaves 2, small, ojipositc, 

 3-parted ; leaflets linear, tootlnMl or entire ; root-leaves tcrnate, with large ovate 

 crcnately-loI)ed and toothed leaflets; racemes few-flowered; flowers rather small, 

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

 high. 



4. D. multiflda, Mnhl. Root tuberous ; stcm-lcavcs mostly 3, wliorled, 

 2 -3-temat(ly divided into very narrow segments ; flowers white. — Sha<ly woods 

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

 often as finelv divided as tiioso of the Carrot, sometimes appi-oaehing some of 

 the finnis of No. 2, but with smaller flowers, and longer i)etioles and pedicels. 



