280 NATURAL HISTORY OF PLANTS. 



strongly compressed ; style nearly absent, stigmatose emarginate ; 

 valves exalate keeled ; septum membranous. Seeds in single cells 2, 

 descending oblong compressed immarginate ; funicles elongated 

 slender ; cotyledons of rather fleshy embryo accumbent. — A small 

 glabrescent annual herb; leaves radical rosulate pinnatilobate ; flowers 1 

 shortly racemose- subcorymbose at top of ascending leafy scapes ; 

 pedicels ebracteate elongated; when fruiting patent 2 (Europe 3 ). 



13.2? Ke&owskia Cham. & Sohltl. 4 —" Sepals patulous, equal 

 at base. Petals obovate obtuse. Stamens toothless. Siliqua (un- 

 ripe) inflated compressed-globose, laterally compressed, tapering at 

 base; valves 1 -ribbed ; septum 0; style slender; stigma capitate, 

 2-lobed. Seeds (unripe) 8-12. — A perennial herb, hoary-tomentose ; 

 hairs short, simple and forked ; root thick ; collar fibrous ; stem 

 terete, above branching leafy ; leaves pinnate ; leaflets incised or 

 dentate ; racemes 5 terminal ; pedicels slender, ebracteate" 6 (Eastern 

 Siberia 7 ). 



133. Synthlipsis A. Gray. 8 — Sepals laxly linear, equal at base. 

 Petals oblong-obovate undulate, broadly unguiculate. Siliqua ellipti- 

 cal-oblong, laterally compressed, emarginate ; style slender erect ; 

 apex stigmatose depressed-capitate ; valves acutely keeled wingless, 

 marginate at apex ; septum broad linear, 1 -ribbed. Seeds cc, 2-seriate, 

 orbiculate-compressed immarginate; funicles free ; cotyledons flat, 

 accumbent across septum. — A diffuse branching herb, stellate- 

 pubescent ; leaves sinuate-pinnatifld ; flowers in lax racemes ; fruiting 

 pedicels patulous or recurved (Texas, New Mexico™). 



134. Lyrocarpa Harv. 11 — Sepals elongate; lateral shortly saccate 



1 Small, white. 6 A genus in gynaeceuui allied to Hiitchinsia. 



2 A genus very near to Capsella, on the one Its true place is doubtful, owing to ripe seed and 

 hand, which differs in number of seeds and usually embryo being unknown. 



incumbent cotyledons ; to Iberidella, on the ' Spec. 1. R. sophicefolia Cham. & Schltl., 



other, which is distinguished by its habit, entire loc. cit. — Walp., Rep., i. 192. 



leaves, and much longer style. 8 PL Fendl., 116, not.; in Torr. Emory's 



3 Spec. 1. H. petreea R. Be., loc. cit. — Rep., 34.— B. H., Gen., 93, n. 123. 

 Geen. & Gode., 17. de Fr., i. 148. — Walp., 9 " Pink." 



Ann., vii. 170. — Lepidium petrceum L., Spec, 10 Spec. 1 ? S. Berlandieri A. Gbay, loc. 



899. cit.— Walp., Ann., ii. 40; vii. 171. 



4 In Linnaa, i. 33, t. 2.— Endl., Gen., n. » In Hook. Joum., iv. 76, t. 4.— B. H., Gen., 

 4981.— B. H., Gen., 92, n. 119. 93, n. 122. 



5 " Flowers white." 



