SCROPHULARIACEAE. 



335 



raceme. Calyx prismatic, 5-angled and 5-toothed. Co- 

 rolla from tubular to funnelform with strongly bilabiate 

 limb or the lobes nearly equal, a pair of bearded ridges 

 extending down the lower side of the throat. Stamens 

 4, the fifth entirely wanting. Stigma mostly of 2 flat 

 lobes closing together when irritated. Capsule dehiscent 

 by both sutures or on one side only, or cartilaginous and 

 indehiscent. Seeds many. 



Flowers sessile or nearly so; styles pubescent 

 or glandular. 

 Flowers red. 



Calyx-lobes acutely subulate, nearly 



equaling the tube. 1. M. bigelovii. 



Calyx-lobes broadly ovate or triangular, 

 scarcely one-fourth the length of the 

 tube. 2. M.fremonti. 



Flowers yellow. 3. M. brevipes. 



Flowers on slender pedicels; styles glabrous. 

 Herbage viscid-villous. 

 Flowers scarlet. 



Flowers yellow; herbage clammy. 

 Calyx 10-12 mm. long in fruit. 



Corolla twice the length of the 



calyx. 5. 



Corolla little exceeding the calyx. 6. 

 Calyx 5-6 mm. long in fruit. 7. 



Herbage not viscid-villous. 



Perennial from stoloniferous or creeping 



basal branches. 

 Annuals. 



Upper calyx-lobe twice the length of 



the others. 9. M. nasutus. 



Upper calyx-lobe little exceeding the 



others. 10. M. microphyllus. 



1. M. bigelovii Gray. Low annual branching from the base, 

 glandular pubescent; leaves oblong, the upper ovate, acute or 

 acuminate; calyx-teeth nearly equal, very acutely subulate from a 

 broad campanulate tube; corolla about 1.5 cm. long, the limb rotate, 

 crimson with yellow center; the throat cylindraceous; capsule 

 oblong-lanceolate, slightly exceeding the calyx, valves membrana- 

 ceous. 



Occasional in the pine belt of the San Gabriel Mountains. June- 

 August. 



2. M. fremonti (Benth.) Gray. Leaves narrowly oblong or the 

 lowest spatulate, obtuse; calyx-teeth ovate, obtuse or acutish, less 

 than a quarter the length of the tube; corolla crimson; otherwise as 

 in the last. 



Frequent in sandy places in the interior valleys. April-May. 



4. M. cardinalis. 



M. moschatMs. 

 M. parishii. 

 M. florihundus. 



8. M. langsdorfii. 



