CRUCIFER/E 43 



B. cichoriifolia Loisel. Plant annual, hispid with whitish hairs. Stems 

 i ft. high or more, branched. Root-leaves oblong, sinuate-dentate, stem leaves 

 lanceolate, toothed, embracing the stem with rounded auricles. Flowers rather 

 large, pale yellow. Silicules large, covered with papillae. Style longer than 

 the diameter of the silicule. 



Rocky waste places from the coast to the hills. April-June. 



ISATIS L. 



1. tinctoria L. Dyer's Woad. Plant biennial, green and glabrous or 

 greyish pubescent. Stem attaining 3 ft. high. Lower leaves oblong-lanceolate, 

 upper ones lanceolate, with prominent, pointed auricles. Flowers in a loose 

 panicle, small, numerous, yellow. Pedicels slender, deflexedand shorter than the 

 silicules. Silicules oblong, wedge-shaped, usually rounded at the top and taper- 

 ing to the base. 



Fields and waste places. May-July. 



NESLIA Desv. 



N. paniculata Desv. is common in the crops. April-June. It is a hairy, 

 erect annual with sagittate leaves, and globular pods and long style. Flowers 

 small, yellow. 



CALEP1NA Adans. 



C. corvini Desv. Stem erect, about a foot high, glabrous and glaucous like 

 the whole plant. Root-leaves lyrate or pinnatifid, petioled ; upper ones entire 

 or toothed, sessile, lanceolate, auriculate. Petals small, white, unequal. Silicule 

 small, ovoid, rugose, prolonged into a short beak, with 4 nerves. 



Damp fields. March-May. 



BUNIAS R. Br. 



B. ErucagO L. Plant annual, glandular-hairy, 1-2 ft. high. Lower leaves 

 runcinate-pinnatifid, upper ones oblong, entire or toothed, not auricled. Flowers 

 yellow. Pedicels widely spreading and longer than the silicules which are sub- 

 tetragonous, 4 celled (superimposed in 2 parts), irregularly winged and toothed. 

 Style tapering, half length of the silicule. 



Arable fields, fairly common in the Var, rare in Alpes-Marit. April-June. 



MYAQRUM L. 



M. perfoliatum L. Plant annual, glabrous and glaucous, 1-2^ ft. 

 high. Root-leaves lyrate or sinuate toothed ; stem-leaves auricled, toothed. 

 Flowers small, yellow; in a long, narrow, adpressed spike. Silicules subtri- 

 angular, 3 celled, the two upper cells empty. Style short, pyramidal. 



In crops and sandy fields in the Var, rare. May-June. Recorded by Ardoino 

 from Nice but excluded by Burnat from that Department. 



CAKILE Adans. 



C. maritima Scop. Sea Rocket. Plant annual, glabrous, fleshy, 6-12 in. 

 high, bushy but straggling. Leaves fleshy, sinuate-toothed or pinnatifid, with 

 unequal lobes. Flowers lilac or rarely white, rather large. Pods leathery, four 

 times as long as wide, without any partition, but when ripe separating into two 

 articles, of which the upper is deciduous and four-angled, the lower persistent, 

 like a reversed cone with two horns at the end. 



Maritime sands. April-October and sometimes, as in 1913, in February. 



RAPISTRUM Desv. 



R. rugosum Berg. Annual, pubescent, 1-3 ft. high with numerous stiff, 

 divaricate branches. Lower leaves petioled, lyrate, with several pinnae at right - 

 angles to the petiole ; upper leaves sessile, lanceolate. Flowers small, pale 

 yellow. Silicule with two articles superimposed, of which the upper is globular 

 and rugose with a tapering style. 



Fields and waste places. April-June. 



Sub. spp. R. Linnteanum Boiss. et Reut. and R. orientate DC. are found 

 here and there on the littoral. 



