CBUOIFEBM. 243 



incumbent, or more rarely obliquely accumbent. 1 — Erect herbs, 2- 

 ennial or perennial at base, covered with simple forked or glandular 

 hairs ; flowers 2 in lax ebracteate racemes {Europe, the East, Siberia 3 ). 



38. Tetracme Bge. 4 — Sepals short equal at base. Petals short 

 unguiculate, rather broad. Stamens 6, toothless short. Siliqua 

 short, sometimes sub-4-gonous ; stigma subsessile 2-lobed ; replum 

 saccate at base ; valves convex, 3-costate ; 4 lateral ribs submarginal 

 rather thick, at apex produced into an arcuate corona. Septum hyaline. 

 Seeds few, 1 -seriate immarginate ; cotyledons incumbent, oblique to 

 septum. — Herbs, covered with forked hairs ; leaves oblong or linear ; 

 flowers 5 in short racemes ; fruits (appressed at base to rachis) in 

 spikes {Afghanistan, Caspian 6 ). 



39. Schizopetalon Sims. 7 — Sepals subequal at base, erect. Petals 

 long-unguiculate ; limb unequally pinnatirid ; prsefloration involute- 

 imbricate. Stamens 0, 4-dynamous, toothless. Glands of disk 6, 

 compressed-subulate, erect. Siliqua narrowly linear, more or less 

 compressed, unequally thickened ; valves rather flat, veined ; septum 

 more or less sinuate, hyaline; ovules co, 1-2 -seriate; style short 

 or obsolete, stigmatiferous 2-lobed at apex ; lobes erect long-connate. 

 Seeds oc, 1- or more rarely 2-seriate, oblong or globose; embryo 

 rather flesh}*- ; radicle cylindrical slender ; cotyledons incumbent, 

 straight or 2-3-fid ; lobes linear, spirally contorted or convolute. — 

 Erect annual herbs, sometimes branching, hoary with branching 

 down ; leaves alternate, unequally toothed or pinnatifid ; flowers 8 in 

 terminal racemes ; bracts leafy {Chili 9 ). 



1 Certainly incumbent in Clausia (Trotzky, 6 Spec. 2. Trautv., Imag., t. 21. — Boiss., 

 Ind. Sem. Kort. Casam. (1839), ex Walp., Rep., Fl. Or., i. 316. — Walp., Rep., i. 171; Ann., i. 

 ii. 755. — Deless., Ic. SeL, ii. 62), which has 43 ; vii. 129. 



winged seeds (perhaps a species of Cheiranthus ?). ' In Bot. Mag., t. 2379. — DC, Prodr., i. 



2 Rather large, variegated, sometimes scented. 236. — Spach, Suit, a Buffon, vi. 386. — Endl., 



3 Spec, about 20. Deless., op. cit., ii. t. 6. — Gen., n. 4980. — B. H., Gen., 76, n. 43. — ■ 

 Reichb., Ic. Fl. Germ., ii. t. 57-59. — Boiss., PerregmoMia Barn., in Ann. Sc. Nat., ser. 3, 

 FL Or., i. 211, 230.— Gren. & Godr., Fl. de iii. 168. 



Fr., i. 82. — Walp., Rep., i. 160 ; v. 38 ; Ann., s Purple or white. 



i. 39 ; ii. 47 ; vii. 129. 9 Barn., in C. Gag Fl. CHI., i. 144.— Wedd., 



4 In Linncea, xii. Litt., 71. — Endl., Gen,, n. Chlor. Andina, t. 86 E (Perregmondia). — Hook. 

 4909. — Hook. p. & Thoms., in Journ. Linn. Soc, Fxot. FL, t. 74. — Phil., in Linn., xxviii. 668.— 

 v. 154.— B. H., Gen., 76, n. 42. Walp., Rep., i. 192; v. 51; Ann., vii. 129. 



5 White, small. 



R 2 



