(19) 



bb. — Ovary Jp-parted, nuflets ventrally ad- 

 herent to the persistent stijle. 



1. Ecliinospermum. — Nutlets 3-quetrous, 

 glocliidiate on their edges. 



2. Cynogiossum. — Nutlets compressed, spi- 

 nose on their entire dorsal surface. 



3. Pectocarya. — Nutlets in pairs, divergent, 

 carinate, carina dentate. 



cc. Ovary deeply 4-p(i'^^ted, nuflets exca- 

 vated on their ventral side i}iserted on a 

 pyramidal disc. 



1. Amsinckia. — Nutlets coriaceous, inserted 

 above their base. Cotyledons 2-cleft. 



dd. Ovary deeply ^^-parted, nutlets in- 

 serted on a flat disc. 



1. Krynitzkia (Eritrichium). — Nutlets ven- 

 trally attached from near their base to a 

 columnar prominence inserted on the 

 otherwise flat disc. 



2. Plagiobothrys [Eritrichium]. — Nutlets 

 attached near the middle of their ventral 

 face to a columnar prominence, inserted 

 on the otherwise flat disc. 



b. Fruit a 1 -celled capsule luith free 

 central placentation. 



1. Dodecatheon. — Corolla partitions re- 

 flexed. 



