CRUCIFER/E 33 



Tribe IX. CAKILINE^). Pods transversely 2 jointed, lower joint indehiscent, 

 seedless or not, or 2 valved and 2 or more seeded; upper joint indehiscent, 

 1-2 celled. 



Lower joint 2 edged, i celled ; upper ensiform, i seeded CAKILE. 



Both joints with i seed. Seeds as in Cakile, Cotyledons folded RAPISTRUM. 



Tribe X. RAPHANE/E. Pods elongate, i celled, many seeded, or inde- 

 hiscent, or jointed, the i-seeded joints being indehiscent RAPHANUS. 



MATTHIOLA R. Br. STOCK. 



M. incana R. Br. Common Stock. Shrubby, erect, hoary, 1-2$ ft.; 

 leaves oblong-lanceolate, entire or obscurely toothed. Flowers purple, violet, 

 or white. Pods 2-4 in. long, seeds orbicular, winged. Peduncle equalling the 

 sepals. 



Maritime rocks and old walls. April-May. Menton, Monaco, He Ste. 

 Marguerite, Frejus, lie de Port-Cros and Porquerolles, Forte Ste. Marguerite 

 near La Garde ; presqu'ile de Giens, etc. Several specimens with fasciated 

 stems 2-2 in. wide appeared on the cliff at Beau Rivage, Var, in the spring of 

 I9I3- 



M. annua Sweet. = Cheiranthus annuus L. " Stem herbaceous, erect, 

 branched. Leaves lanceolate, obtuse, hoary. Pods cylindrical, without glands. 

 Petals obovate." Perhaps only an annual form of M. incana. 



Maritime banks. May, June. Rocks at the BriSgancon fort near Bormes; 

 He de Port-Cros. 



M. sinuata R. Br. Herbaceous, diffuse, woolly or downy, 1-2 ft. 

 Leaves linear-oblong, lower sinuate-toothed, petioled. Pods 3-4 in. muricate, 

 glandular. Flowers smaller, pale lilac. Peduncle much shorter than sepals. A 

 biennial. 



Sea sands. April-June. Menton, Cannes, Lavandou, lies d'Hyeres, Plage de 

 Giens, Plage d'Hyeres, etc. 



M. tristis R. Br. Herbaceous stem ; 6-12 in., leafy below. Leaves 

 linear, or with 1-2 small spreading lobes ; peduncle much shorter than sepals. 

 Pods not glandular. Flowers rusty, livid, or reddish. 



Rocks and stony places ; very local. May, June. Ferrion mountain above 

 Nice, Aiguines, Grand Plan de Canjues, Villehaute near Ampus. 



M. tricuspidata R. Br. Annual, 6-12 in. high, stem herbaceous, 

 branched. Leaves sinuate or pinnatifid, lobes rounded, oval. Flowers mauve 

 or lilac, rarely white. Sepals much longer than the pedicel. Stigma ending in 

 3 points. Pods spreading. 



Maritime sands ; rare. May-June. Hyeres, Plage de Giens, and Isthmus 

 des Pesquiers. 



CHEIRANTHUS L. 



C. Cheiri L. Wallflower. Shrubby, 1-2 ft. Leaves lanceolate, acute, 

 entire, rather fleshy. Flowers fragrant, orange yellow or yellow. Plant covered 

 with short adpressed hairs. Pods 1-2 in. long, 4 angled. 



Walls, rocks, and ruins. March-May. Originally from Greece, but long 

 naturalized here and there in both Departments. 



NASTURTIUM R. Br. 



N. officinale R. Br. = Radicula officinalis Groves. Watercress. Leaves 

 pinnate, rather thick, often bronze-green ; leaflets rounded, sinuate-toothed. 

 Peduncles shorter than the short linear pods. Flowers white. Stem decumbent, 

 rooting. 



Streams, ditches, and springs. Common. May-August. 



N. asperum Cosson. Leaves pinnatifid, with oblong lobes, obtuse. 

 Peduncles shorter than the linear pods, which are rough-tubercled and spread- 

 ing. Flowers small, yellow. 



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