VASCULAR PLANTS. 59 



l- Amsinckia, Lehm. 



Calyx 5-partecl. Corolla salver or funnel- 

 shaped; limb 5-lobed. Ovary 4-lobed; style 

 central Fruit, 4 nutlets attached to a conical 

 disk above its base. 



0. Inflorescence circinate; flowers yellow. 



2. Eritrichium, Schrad. 



Corolla salver shaped; limb 5 lobed. Ovary 

 4-lobed; style central. Fruit 4 nutlets insert- 

 ed on the base of a conical or cylindrical disk. 



0. inflorescence circinate; floAvers white, 

 blue. 



3. Pectocarya, DC. 



Corolla funnel-shaped; throat closed. Style 

 central, very short. Fruit 4 nutlets, marginate, 

 and in pairs. 



. flowers axillary, sessile, white. 



4. Cynoglossum, L. 



Corolla funnel-shaped; throat closed by 5 

 scales. Ovary 4-lobed; style central. Fruit 4 

 depressed, echinate nutlets. 



It inflorescence paniculate, ebracteate, cir- 

 cinate. 



5. Echinospermum, Swartz. 



Tube of the corolla closed by 5 scales. Ovary 

 4-lobed; style central. Fruit 4 nutlets, 3-cor- 

 nered, muriculate on their margins. 



0. inflorescence ebracteate, circinate. 



