370 Scrophulariaceae 



leaves linear, remotely and ^obscurely denticulate or entire, 2-4 

 cm. long, 2-3 mm. broad, obtuse, with short slender leafy branch- 

 lets in their axils; inflorescence at first viscid-pubescent, becom- 

 ing nearly glabrous, 1-2 dm. long ; bracts red or red-tipped, about 



2 cm. long, 3-4 mm. broad, entire or rarely with 1 or 2 very short 

 lateral teeth toward the apex ; calyx about 2.5cm. long, cleft about 

 equally before and behind; the lobes 1 cm. long, cleft at the apex, 

 the teeth lanceolate, 3-4 mm. long, acute; corolla 2.5-3 cm. long, 

 galea about three-fourths the length of the tube, green on the 

 back, the face bright red, the tube greenish-yellow. 



Occasional in dry washes and fans in the interior valleys. 



4. C. foliolosa H. & A. Suffrutescent with many stems from 

 the base, 3-4 dm. high, white woolly throughout; leaves linear 

 and entire, rather crowded below and fascicled in the lower axils, 



3 cm. long or less; the uppermost and bracts 3-parted into linear 

 lobes; bracts with lobes spatulate-dilated at apex, the middle 

 lobe largest, shallowly 3-lobed ; spikes rather dense ; flowers 

 about 18 mm. long, galea only slightly exceeding the calyx, 

 shorter than or as long as the tube ; calyx-lobes truncate or retuse ; 

 capsule about 1.5 cm. long. 



Frequent on dry hillsides in the foothills. 



12. OBTHOCABPUS Nutt. 



Annual or rarely perennial herbs, mostly with alter- 

 nate leaves, and yellow white or purple flowers in bracted 

 usually dense spikes, the bracts sometimes brightly 

 colored. Calyx tubular, 4-cleft or sometimes split down 

 both sides. Corolla very irregular, the tube slender, the 

 limb 2-lipped ; upper lip but little exceeding the inflated 

 3-plaited or 3-saccate lower one. Otherwise as in Castil- 

 leja. 



* Filaments pubescent; galea bearded on the back. 



1. O. purpurascens Benth. (OWL-CLOVER.) Annual, erect, 

 rather stout, at length much branched from the base, 1.5-5 dm. 

 high, villous-pubescent ; leaves with lanceolate base or body, and 

 laciniately 1-2-pinnately parted into narrow linear or filiform 



