162 BRASSICACEAE. 



valves strongly keeled. Stigma lobed. Seeds oblong, In 

 1 row in each cell, marginless or narrowly margined at 

 apex. Cotyledons incumbent. (Erysimum.) 



1. C. angustatus Greene. Perennial; rather stout, erect, 5 dm. 

 high or more; leaves narrowly linear-lanceolate, entire or few- 

 toothed, few and scattered above, densely clothing the basal part 

 of the herbaceous stem and short sterile branches of the short 

 subligneous caudex, the whole plant subcinereous with appressed 

 2-forked hairs; calyx-lobes 10-12 mm. long; petals yellow, the 

 lower pair parallel to each other, the upper divergent from each 

 other; pods in a long lax raceme, 4-sided, ascending. 



Occasional in the foothills of the Santa Monica and Santa Ana 

 Mountains. 



2. C. suffrutescens Abrams. Perennial; often much branched, 

 the branches woody, 1 m. long or less, usually straggling among 

 low shrubs, rough from the persistent bases of the old leaves, usually 

 about 5 mm. thick; floral branches clustered at the ends of the main 

 branches, slender, 3-4 dm. long; leaves scattered along the floral 

 branches, densely clothing their bases, very narrowly linear-oblance- 

 olate, 2-3 mm. broad, entire or remotely and obscurely denticulate, 

 these as well as the branches cinereous with appressed 2-forked hairs; 

 calyx-lobes 6-7 mm. long; petals yellow, cruciform; pods in rather 

 short but lax racemes, on pedicels about 8 mm. long, widely spread- 

 ing, straight or slightly curved upwards, 4-sided, 1.5-1.75 mm. broad, 

 5-6 cm. long; beak slender, scarcely 1 mm. broad and but little 

 longer; seeds brownish, about 1.5 mm. long. 



Common on the sand-dunes along the seashore. Flowering 

 nearly the year round. 



25. KONIGA Adans. Sweet Alyssum. 



Perennial herbs, pubescent or canescent with forked 

 hairs, with entire leaves and small white flowers in ter- 

 minal racemes. Petals obovate, entire. Filaments slen- 

 der, with 2 small glands at the base. Capsule com- 

 pressed, oval or orbicular. Seeds 1 in each cell. Coty- 

 ledons accumbent. 



1. K. maritima (L.) R. Br. Ascending or sometimes procum- 

 bent, freely branching, 1-3 dm. high, minutely pubescent with 

 appressed hairs; basal leaves oblanceolate, narrowed into a petiole; 

 flowers white, fragrant, about 4 mm. broad; fruiting pedicels ascend- 

 ing, 6-8 mm. long; capsules glabrous, pointed, oval or nearly orbicu- 

 lar, 2-3 mm. long. {Alyssum maritimum L.) 



An escape from gardens, al6ng streets and in waste places. 

 Flowering nearly throughout the year. 



