l^l XIII. CRUCIFERiE. Nasturtium. 



9. LUNARIA. 



Lat. luna, the moon ; from the broad, round silicles. 



Sepals somewliat bisaccate at base ; petals nearly entire ; stamens 

 without teeth ; silicle pedicellate, elliptical or lanceolate, with flat 

 valves ; funiculus adhering to the dissepiment. 



1. L. REDivivA. Perennial Satin Flmccr or Honesty.— Sf. erect, branching; 

 Ivs ovate, cordate, petiolate, mucronately serrate ; silicles lanceolate, narrowed 

 at each end.— 7]. From Germany. Stem 2— 3f high. Flowers light purple. Jn. f 



2 L. BiEXMs. DC. Ho7i£sti/.—St. erect; Irs. with obtuse teeth; silicles oval, 

 obtuse at both ends.— ^ These are large, hairy plants, native of Germany. 

 Stems 3 — 4f high. Leaves cordate. Flowers lilac-colored. The broad, 

 round, silvery silicles are the most remarkable feature of the plants. May, Jn. -f 



10. IBERIS. 



]Most of the species are native oi Iberia, now Spain. 



The 2 outside petals larger than the 2 inner ; silicles compressed, 

 truncate, emarginate, the cells 1 -seeded. — None of the species are N. 

 American. 



1. I. UMBELLATA. Purplc Ca7idy-tuft.—H.eThaceous, smooth ; Ivs. linear-lan- 

 ceolate acuminate, lower ones serrate, upper ones entire ; silicks umbellate, 

 acutelv 2-lobed.— This and the following species are very popular garden 

 annuals, very prettv in borders, and of very easy culture. I. umbel] ata is from 

 S. Europe. Stem If high. Flowers purple, terminal, in simple umbels, and 

 like the rest of the genus remarkable lor having the 2 outer petals larger than 

 the 2 inner ones. Jn. Jl. f 



2. I. AM.lRA. Bitter Cafidij-t'ufi.—H.eThSiceous ; Ivs. lanceolate, acute, some- 

 what toothed ; fls. corymbed, becoming racemed ; silicles obcordate, narrowly 

 emarginate.— ® Native of England. Stem If high. Flowers white. Jn. Jl.f 



3. 1. piNNATA. Winged-lcavcd Candij-tu/t.—'Herhsiceons, smooth; Ivs. pin- 

 natifid : rac. corymbose, but little elongated after flowering.—® From S. Eu- 

 rope. Plant If high. Flowers white. Jn.— Aug. t 



4. I. sAXATiLis. Rock Candy-tuft.— Shrnbhj; Ivs. linear, entire, somewhat 

 fleshy, rather acute, smooth or ciliate ; fs. in corymbs.—® From S. Europe. 

 Nearly If high. Flowers white. Apr.— Jn. f 



O&s.— Twenty-four species of the Iberis have been described, others of which are equally ornamen- 

 tal with those above mentioned. 



11. isAtis. 



Gr. laa^oi, to make equal ; supposed to remove roughness from the skin. 



Silicle elliptical, flat, 1 -celled (dissepiment obliterated), 1-seeded, 

 with carinate, navicular valves, which are scarcely dehiscent. — ]Vo?ie of 

 the species are N. American. 



I. TiNCTORiA. Woad. — Silicles cuneate, acuminate at base, somewhat spatu- 

 late at the end, very obtuse, 3 times as long as broad. — ® The Woad is native 

 of England. It is occasionally cultivated for the sake of its leaves, which 

 yield a dj^e that may be substituted for indigo. The plant grows about 4 f. 

 high, with large leaves clasping the stem with their broad ba.ses. Flowers 

 yellow, large, in terminal racemes. May — Jl. ^ 



Section 2. SILiaUOS^. (^ 80, 7iote.) 

 12. NASTURTIUM. R.Br. 



Lat. nasus tortus; from the eflect of these acrimonious plants upon the nose. 



Sepals equal at base, spreading ; silique subterete, mostly curved 

 upwards, sometimes short so as to resemble a silicle ; valves veinless ; 

 seeds in a double row, 0=. — Aquatic herbs. 



