(151) 



5. Eunanus Benth. 



Calyx angular; angles carinate. Placentae of 

 the capsule separate in dehiscence for their 

 whole length. Tube of corolla slender, fili- 

 form. 



1. E. DOUGLASII Benth. Corolla red, 

 sometimes spotted . . Marin County. 

 Spring. 



Tribe IV. DIGITALE^E. 



Upper lip of corolla in aestivation covering 

 the lower lip. Stigma minute, not flat. Cap- 

 sule septicidal. 



1, Pentstemon L'Herit. 



Didynamous, with a fifth sterile filament. 

 Calyx 5-parted. Limb of corolla labiate. It. 



1. P. AZUBEUS Benth. Anthers sagittate; 

 their cells confluent at the apex, dehiscent by 

 a common split, that does not extend beyond 

 the middle of the cell; corolla blue. Niles. 

 Summer. 



2. P. CENTBANTHIFOLIUS Benth. Cells of the 

 anthers divaricate; dehiscent for their whole 

 length; corolla scarlet. Niles. Summer. 



Tribe V. ANTIKRHINE^:. 



Upper lip in aestivation covering the lower 

 lip. Tube of corolla gibbous or calcarate. 

 Capsule neither loculicidal nor septicidal. 



