1312 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



8. DIPLACTJS Nutt. Ann. Nat. Hist. 1: 137. 1838. 



Shrubs; leaves opposite, entire or toothed; flowers axillary, solitary, large 

 and showy; calyx tubular, 5-angulate, obliquely 5-dentate; corolla funnelform, 

 the limb bilabiate, the upper lip bilobate, the lower 3-lobate ; stamens 4. 



The species of this genus are often placed in Mimulus. 



Corolla red 1. D. puniceus. 



Corolla yellow 2. D. longiflorus. 



1. Diplacus puniceus Nutt. Ann. Nat. Hist. 1: 137. 1838. 



Northern Baja California, ranging from sea level to 900 meters. Southern 

 California ; type collected near San Diego. 



Shrub, about a meter high ; leaves sessile, linear to linear-oblong, 6 cm. long 

 or less, entire or serrate, glutinous and sometimes sparsely pubescent beneath ; 

 flowers pedicellate, the calyx glabrous or nearly so ; corolla 3.5 to 4.5 cm. long. 



2. Diplacus longiflorus Nutt. Ann. Nat. Hist. 1: 139. 1838. 

 Diplacus stellatus Kellogg, Proc. Calif. Acad. 2: 18. 1863. 

 Diplacus arachnoidcus Greene, Bull. Calif. Acad. 1: 210. 1885. 

 Baja California. Southern California ; type from Santa Barbara. 

 Shrub, 1 to 1.5 meters high ; leaves linear to ovate-oblong, 5 cm. long or less, 



sessile or short-petiolate, entire or nearly so, usually with sparse pubescence 

 of branched hairs beneath ; calyx often villous ; corolla 3.5 to 5.5 cm. long. 



