4:2 ORDER 11. CRUCIFEILE. 



2 A. Americana Arn. Aquatic; immersed Ivs. doubly pinnatifld with capillary seg 

 ments, emerged, oblong, pinnatifid, serrate or entire ; silicic ovoid, little longer that 

 the style. Lakes and rivers, Can. to Ky. July, Aug. 



20. VE SIC ARIA, Lam. BLADDER-POD. (Lat. vested, a bladder or 

 blister ; from the inflated silicles.) Pet. entire. Silicle globous or ovoid ; 

 inflated valves nerveless, hemispherical or convex. Seeds several in each 

 cell, sometimes margined (= o ). Flowers yellow. (See Addenda.) 



V. Sliortil T. & G. Lvs. elliptical, sessile, entire ; style twice as long as the globoua 

 silicle ; seeds 24, not margined. Ky. rare. 



21. CAMELINA, Crantz. FALSE FLAX. (Xanai, dwarf, Xivov, 

 flax.) Calyx equal at base. Pet. entire. Silicle obovate or subglobous, 

 with ventricous valves and many-seeded cells. Styles filiform, persistent 

 Seeds oblong, striate, not margined (| o). -Flowers small, yellow. 



C. sativa Crantz. Lvs. lanceolate, sagittate at base, subentire ; silicle obovate-pyrl- 

 form, margined, tipped with the pointed style. @ Fields. Enr. 2f. June. 



22. SUBULARIA, L. AWLWORT. (Named in reference to the linear 

 subulate leaves.) Silicle oval, valves turgid, cells many-seeded. Stigma 

 sessile ; cotyledons linear, curved and incumbently folded on themselves. 

 (T) Aquatic acaulescent herbs. 



S. aquatica L. Shores of ponds, Me. N. H. Lvs. all radical, entire, subulate, 1'. 

 Scape 23', with a few minute white flowers. July. 



23. IBERIS, L. CANDYTUFT. (Most of the species are natives of 

 Iberia, now Spam.) The 2 outside petals larger than the 2 inner. Silicles 

 compressed, truncate, ernarginate, the cells 1-seeded. Handsome herbs 

 from the Old World, pretty in cultivation. Flowers white or purple. 



1 I. TTMBELLATA. Purple C. Herbaceous ; Ivs. lin.-lanceolate, acuminate, the lower 



serrate ; silicles umbellate, acutely 2-lobed. (T) Eur. If. Purple. June, July. 



2 I. AMARA. Bitter C. Herbaceous; Ivs. lanceolate, acute; fls. finally racemed ; sili- 



cles obcordate, narrowly emarginate. (I) Eng. If. White. June, July. 



3 I. ODORATA. Herbaceous ; Ivs. linear, tootned, dilated at end ; siiicle round, with 



acute, spreading lobes. @ Alps. If. Sweet scented. Foliage pretty. July. 



4 I. riNNATA. Lvs. pinnatifid, smooth. Eur. If. White, corymbed. 



5 I. SAXATTLIS. Shrubby ; Ivs. linear, entire, y. Eur. If. White, corymbed. 



24. CAPSELLA, Vent. (Lat. capsa, a chest or box ; alluding to the 

 fruit.) Calyx equal at base ; silicles triangular-cuneiform, obcordate, com- 

 pressed laterally ; valves carinate, not winged on the back ; septum sub- 

 linear ; style short ; seeds GO, oblong, small, | o . Fls. white. A common 

 weed. Fig. 193. 



C. Bursa-pastoris Msench. ShephercTs Purse. Grows everywhere. 6' If 2f. 

 Root Ivs. rosulate, cut-lobed ; stem leaves lance-lin. clasping-sagittate ; rac. long. 



25. LEPIDIUM, R Br. PEPPER GRASS. (AstiS, a scale; from the 

 resemblance of the silicle.) Sepals ovate ; petals ovate, entire ; silicles"* 

 oval-orbicular, emarginate ; septum veiy narrow, contrary to the greatej 



