258 



NATURAL HISTORY OF PLANTS. 



subentire, sagittate at base ; flowers 1 in thin racemes ; pedicels fili- 

 form ebracteate, when fruiting nutant (California, Oregon?). 



75. Peltaria L. 3 — Sepals equal at base, spreading. Petals ungui- 

 culate. Stamens 6, 4-dynamous, toothless. Siliqua suborbicular or 

 obovate, very compressed, reticulate-ribbed, 1 -celled, indehiscent; 

 style short ; apex stigmatose, emarginate. Seeds 1—4, descending 

 compressed immarginate ; funicles slender, more or less adnate to 

 valves ; embryo compressed ; cotyledons accumbent. — Glabrous 

 herbs ; leaves entire ; cauline sagittate- cordate at base ; flowers 4 in 

 short racemes, usually ramose or corymbiform; pedicels slender 

 ebracteate, when fruiting patent or recurved 5 (Southern and Eastern 

 Eii rope 6 ). 



76. Tchihatchewia Boiss. 7 — "Sepals erect; lateral saccate at 

 base. Petals unguiculate ; lamina minute. Stamens without teeth ; 

 siliqua pendulous obovate compressed, broadly membranous-margin - 

 ate, 1 -celled, 2-seeded; cell linear-elliptical; stigma sessile puncti- 

 form. Seeds pendulous from free short thickened funicles, ovate 

 compressed immarginate ; cotyledons plane accumbent. — A biennial 

 herb (?) very hispid ; 8 root thick ; stem thick, leafy, bristling with 

 long white hairs ; leaves oblong-linear dentate ; racemes short, with 

 bracts at base" 9 (Armenia™). 



77. Tetrapterygium Fisch. & Mey. 11 — Sepals patulous, subequal 

 at base. Stamens free, 4-dynamous. Siliqua oblong or obovate, 

 orbiculate, rounded or cordate at base, 4-winged ; wings unequal (2 

 shorter) membranous ; cell 1, indehiscent, 1-seeded ; style slender ; 



1 White, pink, or violet. 



2 Spec, about 8. Fisch. & Met., Ind. Sem. 

 Sort, retrop., ii. 50. — Walp., Rep., i. 183; 

 Ann., ii. 52. 



3 Gen., n. 806.— DC, Prodr., i. 166.— Endl., 

 Gen., n. 4878.— B. H., Gen., 93, n. 124. 



4 White. 



5 A genus in many characters allied to Lu- 

 nana." (B. H., loc. cit.) 



6 Spec. 3. Reichb., Ic. Fl. Germ., ii. t. 12. — 

 Boiss., Fl. Or., i. 307.— Geen. & Gode., Fl. de 

 Fr., i. 121.— Walp., Rep., i. 146. 



7 In Tchihatch. As. Min., Rot., i. 292 (whence 

 our description). — B. H., Gen., 93, n. 125. 



8 " Habit of Farsetia ; fruit of Isatis, 9 lines 

 long, with a furcate down, becoming puberulous ; 

 seeds large." 



9 " Flowers of size of Raphanus Rapha- 

 nistrum; purple." 



10 Spec. 1. T. isatidea Boiss., loc. cit. ; Fl. 

 Or., i. 310. — Walp., Ann., vii. 172. 



11 Ind. Sem. Eort. Petrop. (1835), 39.— Endl., 

 Gen., n. 4937.— B. H., Gen., 95, n. 133. 



