38 ORDER 11. CRUCIFEKE. 



2 C. luc-iiiiata. Cauline Ivs. 3, 3-parted, the divisions lanceolate or linear-oblong 



obtuse, lobed, toothed or entire ; rhizome moniliform. u Woods. If. Apr. May. 



3 C. multifida. Cauline Ivs. mostly 3. and verticillate, rarely 2, multificl with na- 



merous linear lobes ; rhizome tuberous, u Woods, N. Car. to Ala. Rare. 9'. 



4 C. maxima. Stem about 3-leaved (2 to 7) ; Ifts. 3, ovate, toothed or cleft ; rhizome 



moniliform, the tubers toothed. 11 N. Y. and Penn. Rare. 1 2f. May. 



5 C. heteroph^lla. Stem about 2-leaved (2 or 3), leaflets 3, lanceolate and nearly 



entire ; root-lvs. of 3 ovate-oblong, toothed, and cut-lobed leaflets ; rhizome moniii- 

 form, scarcely toothed, if. Penn. Va. Ky. 6'. Flowers purple. June. 

 C V. liirsuta L. Stem (hirsute in Europe) glabrous, erect ; leaves pinnately 5-11- 

 foliate, terminal leaflet largest ; flowers (white) small, silique erect, linear or filiform ; 

 stigma minute, sessile. (2) Wet. Variable. Stem 3 12', slender or thick. Leaflets 

 obtuse. Pod 1'. March June. 



/3. ni/lratlca. Slender and delicate ; leaflets 1 or 2-toothed ; pods filiform, in- 

 curved. Grows in dryer places. 6'. (C. Yirginica MX.) 



7 C. prat6nsls L. Cuckoo Flower. Stem ascending, simple ; leaves pinnately 7-15- 



foliate ; leaflets petiolate, subentire, lower ones suborbicular, upper linear-lanceolate : 

 style distinct. U Swamps, N. Y. to Arc. Am. 10 16'. Flowers large. Apr. May. 



8 C. rliomboidea DC. Stems simple, erect or ascending, tuberiferous at base; 



siliquee linear-lanceolate ; rt. Ivs. roundish, entire, st. Ivs. rhomboidal. y May. 8 14'. 

 /3. pnrpurea. Slender, erect, few-leaved and purple-flowered. N. Y., O., Wise. 



9 C. rot u u d i folia MX. Stems decumbent, branching, finally stoloniferons ; leaves 



all petiolate : pod linear-subulate ; rt. fibrous. ii Cool springs. Pa. to Car. 1 2f. May, Jo. 

 IOC. bellldiiolia L. Leaves smooth, orbicular-ovate, nearly entire, petiolate ; can- 



line entire or 3-lobed ; siliques erect, y. White Mts. &c. 1| 3'. July. 

 11C. spatulata MX. Lvs. hirsute, the radical spatulate, petiolate ; cauline sessile, 



siliques spreading. Mts. of Car. and Ga. Trailing. 68'. April. 



6. LEAVENWORTHIA, Torr. (Named for Dr. Leavenworth, the 

 discoverer.) Petals cuneate, retuse, or truncate. Silique flat, oblong, 

 valves indistinctly veined. Seeds in a single row, flattened, wing-mar- 

 gined. Embryo nearly straight, curving toward an accumbent form. (2) 

 Low, smooth herbs with lyrate-pinnatifid leaves. Pet. yellow at base. 



li. Micliauxil (and aurea) Torr. Rocks, Ky.toTex. 2 &. Lvs. mostly radical. Fla.l- -4. 



7. MATTHIOLA, R. Br. STOCK. (In honor of P. A. Matthioli, phy 

 sician to Ferdinand of Austria, and botanic author.) Calyx closed, 2 of 

 the sepals gibbous at base. Siliques terete ; stigmas connivant, thickened 

 or cornute at the back. Herbaceous or shrubby, oriental plants, clothed 

 with a hoary, stellate pubescence. 



1 Ifl. INCANA. Common Stock. Brompton S. July-flower. Erect, branching from the 

 woody base ; Ivs. lanceolate, entire, (a) it Eur. 2f. Fls. often double, white, purple. 



Q, m. ANNUA. Ten-weeks Stock. Erect, branched ; Ivs. lanceolate, obtuse, toothed. (T) 

 S. Eur. 2f. Flowers infinitely various, mostly double. June Nov. 



8. CHEIRANTHUS, L. WALL-FLOWER. (Xsip, the hand, r5os, 

 flower.) Calyx closed, 2 of the sepals gibbous at base. Silique terete or 

 compressed. Stigma 2-lobed or capitate. Seeds flat, in a single series, 

 often margined. (= c ). Garden perennials, mostly European. Leaves un- 

 divided. Fig. 55. 



C. CHEIRI. St. somewhat shrubby and decumbent at base ; Ivs. lanceolate, glabrous 

 pet. obovate. long-clawed, yellow ; stig. capitate, u S. Eur. 2f. June. 



