(227) 



pressed, linear; valves flattened, with promi- 

 nent nerve. Seeds oo , 1-seriate, compressed, 

 marginate. 



1. A. BLEPHAEOPHYLLA Hook & Am. Leaves 

 conspicuously ciliate; cauline leaves oblong, 

 sessile; petals purple. — IC. Presidio. Sau- 

 celito. Spring. 



2. A. PERFOLIATA Lam. (Turntis (jlahra h.) 

 Glaucous; cauline leaves ovate, clasping by 

 the sagittate base; petals pale. — 0. Com- 

 mon. Summer. 



17. Cardamine L. Bitter-Cress. 

 Siliqua laterally compressed, linear; valves 

 flat, without nerve. Seeds oo, 1-seriate; funi- 

 cle filiform. 



1. C. PAUCiSECTABenth. Lower leaves simple 

 or 3-lobed, cauline leaves 5-foliolate. — 21. Com- 

 mon. Spring. 



2. C. OLiGOSPERMA Nutt. All leaves pinnate. 

 0, Saucelito. San Mateo. Spring. 



18. Alyssum L- 



Silicula laterally compressed, orbicular; 

 valves concave; replum broad. Seeds 1 or 2 

 in each valve. 



1. A. CALYCiNUM L. Petals white or yellow, 

 but little exceeding the sepals. — . San Fran- 

 cisco. Summer. 



Native of the Mediterranean region, escaped 

 from gardens. 



