SCROPHULARIACEAE. 337 



somewhat longer; corolla yellow with purple or brown dots in the 

 throat, 2.5-5 cm, long, {M. luteus in part of recent authors, not 

 of L,) 



Frequent along streams and variable, March-June. 



9. M. nasutus Greene. Annual, glabrous or minutely pubescent, 

 decumbent at base, 2-4 dm. high; leaves mostly subbasal, ovate- 

 cordate to reniform-cordate, acute, coarsely toothed or lobed, the 

 lowest on broad petioles, the floral reduced to bracts; peduncles 

 hardly exceeding the mature calyx or the lower much elongated; 

 calyx broadly campanulate, its teeth acute, ver>^ unequal, the upper 

 one twice the length of the others; corolla about 1.5 cm. long, 

 little surpassing the calyx, deep yellow, with or without a large 

 purple blotch on the lower lip. 



Common along streams in the mountains and foothills below the 

 pine belt. April-August. 



10. M. microphyllus Benth. Annual, glabrous below, somewhat 

 pubescent above; stems terete, slender, with ascending branches 

 or commonly simple, 1-3 dm. high; flowers in short racemes or in 

 depauperate forms, solitary; leaves ovate to orbicular, often cordate 

 at the base, denticulate or coarsely toothed; peduncles slender; 

 calyx often dotted, oblique at the orifice; the teeth obscure or promi- 

 nent, the upper one largest; corolla 1-2 cm. long, throat rather 

 narrow, the limb broad, usually without purple dots. 



Occasional along streams in the pine belt of all our mountains. 

 June-August. 



9. MIMETANTHE Greene. 



Erect branching annual, with long villous white hairs, 

 opposite leaves, and small yellow flowers. Calyx short- 

 campanulate, deeply 5-cleft, its tube slightly 5-sulcate, 

 not prismatic angled. Corolla obscurely bilabiate, its 

 lobes plane. Stamens 4, 2 fertile. Capsule pointed, 

 loculicidal, dehiscent the whole length of the upper side 

 and on the lower side along the apical attenuation. 



1. M. pilosa (Benth.) Greene. At length much branched, leafy, 

 flowering from near the base, 1-3 dm. high, herbage glandular- 

 viscid; leaves lanceolate or narrowly oblong-ovate, entire, sessile; 

 flowers on slender pedicels; the upper tooth of calyx much longer 

 than the others, equaling the tube; corolla yellow, the lower lobes 

 usually with brown spots, slightly exceeding the calyx, 6-8 mm. 

 long; capsule oblong-ovate, attenuate. {Mimulus exilis Durand.) 



Frequent along streams in the valleys and in the mountains. 

 May-August. 



10. VERONICA L. Speedwell, 



Annual or perennial herbs, with opposite and alter- 

 nate, rarely verticillate leaves, and mostly small terminal 

 or axillary racemose spicate or solitary flowers. Calyx 

 23 



