TETRADYNAMIA— SILIQUOSA. Cheirantluis. 203 



Cat. converging, compressed ; leaves oblong, concave, erect, 

 deciduous, 2 opposite ones protuberant at the base. Pet. 

 obovate, spreading, entire or slightly notched ; claws 

 erect, the length of the calyx. Filam. awl-shaped, pa- 

 rallel, simple, distinct, each of the 2 outermost, or short- 

 est, embraced at the bottom by a nectariferous gland. 

 Anth. erect, oblong-arrow-shaped, acute, of 2 linear lobes. 

 Germ, linear, compressed, a little tumid at each side, the 

 length of the stamens. Style short, nearly cylindrical. 

 Stigma either of 2 thick spreading lobes, or capitate and 

 slightly notched, permanent. Pod linear, compressed, 

 two-edged, rather convex at the sides, mostly with an 

 elevated, longitudinal, central line ; valves straight ; par- 

 tition membranous. Seeds ranged alternately, in a single 

 row, ovate, compressed, slightly bordered at the summit, 

 and often at one side also; cotyledons accumbent. 



Biennial or perennial, herbaceous or somewhat shrubby. 

 Stem branched, leafy, round, or slightly angular. Leaves 

 lanceolate, entire or toothed. Pubescence close, simple, 

 or divaricated, or somewhat starry. Fl. handsome, fra- 

 grant, yellow, purplish, or white, often particoloured, or 

 changeable. Ch. tenuifulius of DeCandolIe has a slight 

 border at the top of the seed only. 



1 . Ch. fruticulosus . Wild ^Vall-flovver. 



Leaves lanceolate, acute; most hoary beneath, with simple 

 close hairs. Stem shrubby. Branches angular. St^le 

 prominent. 



Ch. fruticulosus. Linn. Mant. 94. WiUd. Sp. PL v. 3. 5 1 6. Fl. 



Br.-70d. Engl. Bot. v. 27. t. 1934. Comp. ed. 4. 113. Hook. 



Scot. 202. Galp. Comp. 5G. Davies Welsh Botanol. 64. 

 Ch.Cheiri. Huds.287. mth.586. Relh.260. Sibth.202. Abbot 



141. Hook. Loml. <. 1 47 ? DeCand. Syst. v. 2. 1 80, var. jw,. 

 Leucojum n. 443. Hall. Hist. v. 1. 193 3 from Mr. Davall and 



others. 

 L. Luteum,vu1g5 Cheiri, flore simplici. RanSijn.2^\. Bauh. Hist. 



V. 2. 572. f. reprinted in Chabr. Ic. 278./. 4. 

 L. liiteuni minus fruticans. Barrel. Ic. t. 1228. 

 \'iola petraea lutea. Tabern. Krauterb. 688. J". 



On old walls. 



Shrub. April, May. 



Stem shrubby, erect, bushy, branched in a determinate manner ; 

 branches angular, leafy, hoary with close, bristly, silvery hairs, 

 chiefly directed downward, like those on both sides of the leaves ; 

 though some point the contrary way, on the leaves as well as 



