STANDLEY- -TREES AND SHEUBS OF MEXICO 1341 



Coahuila and Nuevo Le6n; type from Sierra de la Paila, Coahuila. 



Plants chiefly herbaceous, 20 cm. high or less, much branched; leaves linear- 

 lanceolate to lance-ovate, less than 1 cm. long, acute at base; corolla 7 mm. 

 long. 



5. Carlowrightia pubens A. Gray, Proc. Amer. Acad. 21: 406. 1886. 

 Shaueria parvifolia Torr. U. S. & Mex. Bound. Bot. 122. 1859. Not Carlo- 

 wrightia parvijolia T. S. Brandeg. 1911. 



Dianthera parvifolia A. Gray, Syn. Fl. 2': 330. 1878. 



Chihuahua to Nuevo Leon. Western Texas; type collected along Cibolo 

 Creek. 



Plants chiefly herbaceous, 25 cm. high or less, much branched; leaves petiolate, 

 ovate or broadly ovate, 1.5 cm. long or less, obtuse or acute, densely pubescent; 

 corolla about 7 mm. long; stipe shorter than the body of the capsule. 



6. Carlowrightia glandulosa Robins. & Greenm. Proc. Amer. Acad. 32: 40. 



1896. 



San Luis Potosi to Puebla and Oaxaca; type from Monte Alban, Oaxaca, alti- 

 tude 1,650 meters. 



Plants chiefly herbaceous, densely glandular-pubescent or pilose throughout; 

 leaves petiolate, ovate or broadly ovate, 1 to 6 cm. long, acute or obtuse; corolla 

 purplish, about 1.5 cm. long; stipe fully as long as the body of the capsule. 



7. Carlowrightia serpyllifolia A. Gray, Proc. Amer. Acad. 21: 405. 1886. 

 Coahuila; type from mountains near Jimulco. 



Plants suffrutescent, loosely branched, with whitish branches; leaves petiolate, 

 lance-oblong to ovate, 6 to 15 mm. long, acute or obtuse, glandular-puberulent; 

 corolla purplish; stipe equaling the body of the capsule. 



8. Carlowrightia ovata A. Gray, Proc. Amer. Acad. 21: 406. 1S86. 

 Type collected near the city of Chihuahua. 



Plants woody below, procumbent; leaves short-petiolate, ovate or broadly 

 ovate, 1 to 1.5 cm. long, acuminate, rounded at base, glabrate; corolla purple; 

 stipe equaling the body of the capsule. 



9. Carlowrightia haplocarpa Robins. & Greenm. Proc. Amer. Acad. 29: 30. 



1894. 



San Luis Potosi; type from Villar. 



Plants slender, suffrutescent, 40 cm. high or less; leaves subsessile, broadly 

 ovate, 2 to 4 cm. long, subcordate at base, sparsely hirsute or glabrate beneath; 

 corolla purple, 10 to 12 mm. long; capsule pubescent, the stipe equaling the body. 



10. Carlowrightia arizonica A. Gray, Proc. Amer. Acad. 13: 364. 1877. 

 Sonora and Sinaloa. Southern Arizona; type from Camp Grant. 



Plants woody below, 50 cm. high or less, the branches minutely puberulent; 

 leaves oblong to linear-lanceolate, 1.5 to 3 cm. long, acuminate, short-petiolate; 

 corolla about 13 mm. long, cream-colored; stipe usually longer than the body of 

 the capsule. 



11. Carlowrightia glabrata Fernald, Bot. Gaz. 20: 536. 1895. 

 Sinaloa to Guerrero; type from Manzanillo, Colima. 



Plants large, slender, hirtellous or glabrous; leaves short-petiolate, lance- 

 oblong to oVilong-ovate, 4 to 7.5 cm. long, acute, pubescent or glabrate beneath; 

 stipe longer than the body of the capsule. 



12. Carlowrightia cordifolia A. Gray, Proc. Amer. Acad. 21: 406. 1886. 

 Chihuahua and Baja California; type from mountains above Batopilas, Chi- 

 huahua. 



Plants chiefly herbaceous; leaves petiolate, ovate, 1 to 4 cm. long, acute or 

 acuminate, finely puberulent; corolla white, 1 cm. long; stipe equaling the body 

 of the capsule. 



