Scrophularinece Pentstemon. 345 



a very ornamental somewhat shrubby plant with shortly 

 petiolate ovate-cordate slightly toothed glabrescent leaves and 

 narrow tubular bilabiate orange-scarlet flowers in leafy pani- 

 cles. 



10. P. Murray anus. This species is remarkable for its 

 ample glaucous perfoliate leaves and tubular nearly regular 

 scarlet and yellow flowers in foliaceous racemes. Mexico. 



11. P. Jaffrayanus. A splendid hardy species with glau- 

 cous entire leaves and bright blue and red flowers in narrow 

 leafless panicles. California. 



12. P. Digitalis. A very distinct tall-growing hardy 

 species with glabrous sessile stem-clasping lanceolate serrate 

 leaves and branched panicles of white viscous flowers. Corolla 

 bilabiate, inflated, curved, and suddenly constricted into a 

 narrow tube towards the base. Southern States of North 

 America. 



Chcenostoma fastigiatum is a dwarf South African annual 

 with opposite toothed leaves and spikes of rosy purple flowers. 

 The corolla is very much inflated, and includes the didynamous 

 stamens. 



Nycterlna Capensis, also from South Africa, is an annual 

 with white fragrant flowers, opening towards night. The calyx 

 is 2-lipped, and the corolla tubular, and the flowers sessile 

 in terminal spikes. 



15. MlMULUS. 



Prostrate or erect annual or perennial herbs with opposite 

 leaves and solitary axillary flowers. Calyx tubular, angled. 

 Corolla bilabiate ; upper lip erect or reflexed, bilobate ; lower 

 lip trilobate ; anthers confluent. Capsule 2-celled, many- 

 seeded. There are about thirty species, from North and South 

 America and Australasia. The name is from /u/i,a>, an 'ape, in 

 allusion to the form of the flower. 



1. M. luteus. Monkey Flower. Stems ascending, stout, 

 hollow, glabrous or glandular. Leaves ovate or oblong, 5- or 

 more nerved, coarsely toothed. Flowers yellow with two crim- 

 son or purple spots on the lower limb. This species is a native 

 of Chili and California, and produces its attractive flowers all 

 the Summer. It is now frequently seen in waste places, by 

 river-sides, etc., in this country, and is spreading very fast in 

 some localities. 



M. variegatus, syn. M. rivularis (fig. 191), and M. guttatus^ 



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