1921] NATURAL SCIENCES OF PHILADELPHIA. 479 



Hasse (Y). Sebastian: Fort Smith, Bigelow (U). 



Oklahoma. Comanche: Cache, Stevens 1320 (U). Kay: Ton- 

 ka wa, Stevens 1876 (U). Paj'ne: Stillwater, Waiigh (U). Woods: 

 Waynoka, Stevens 1769 (U). 



Louisiana. Rapides: Alexandria, Ball 491 (U, Y). 



Texas. Bexar: Comanche Spring, Lindheimer 1048 (A, T, 

 U, Y). Bowie: Texarkana, Heller 4255 (A, U, Y). Comal: New 

 Braunfels, Lindheimer 1049 (A, T, U, Y). Dallas: Dallas, Rev- 

 erchon (Y). Gillespie: Fredericksburg, Jermy 680 (U). Hays: 

 San Marcos, Stanfield (Y). Kerr: Kerrville, Heller 1926 (A, U, 

 Y) . Matagorda : Bay City, Fisher 158 (U) . Tarrant : Fort Worth, 

 Ruth 102 (U, Y). Travis: Shoal Creek, Young (T). 



12. MIMULUS Linne. 

 Mimulus L., Sp. PI. 634. 1753. 

 Type species, M. ringens L. 

 Corolla yellow. Calyx strongly oblique, its posterior lobe longest, 

 the lateral usually blunt. Capsule dehiscent laterally, apex 

 persistent and valves permanently attached to septum. Seeds 

 ellipsoid-orbicular. Leaf -blades broad-ovate, palmately veined. 

 Stems repent-ascending. (/. Siinioliis.) 1. M. glabratus. 



Corolla lavender-violet. Calyx-lobes equal, all acuminate. Cap- 

 sule dehiscent laterally from very apex, and valves splitting 

 from septum. Seeds oblong. Leaf -blades lanceolate to ovate, 

 pinnately veined. Stems erect. (//. Eumimulus.) 

 Leaf -blades ovate, petioled. Angles of stem slightly winged. 

 Pedicels stout, in fruit 5-10 mm. long. Calyx-lobes setaceous- 

 tipped, 1-2 mm. long. Corolla 35 mm. long. Seeds pale- 

 yellow. 2. M. alatus. 

 Leaf-blades lanceolate, clasping. Angles of stem not winged. 

 Pedicels slender, in fruit 30-60 mm. long. Calyx-lobes lanceo- 

 late, 3-5 mm. long. Corolla 30 mm. long. Seeds brownish. 



3. M. ringens. 



1. Mimulus glabratus H. B. K. 



Mimulus glabratus H.B.K., Nov. Gen. et. Sp. 2: 370. 1817. " Crescit prope 

 Moran Mexicanorum, alt. 1330 hex." Type not verified, but description 

 evidently of plant here considered. 



Mimulus Jamesii texensis A. Gray, Syn, FI. N. Am. 2. 1 : 277. 1878. Texas, 



Wright, Lindheimer, etc. Probably in drier soils." Probable isotype seen 



in Herbarium of Columbia University at the New York Botanical Garden. 



Very variable in size in all its parts, the larger form being M. 

 jamesii texensis A. Gray or M. inamoenus Greene from Traits- 

 Pecos Texas. 



Corolla lemon-yellow, within throat on anterior side golden and 



