1210 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. LOESELIA L. Sp. PI. 628. 1753. 



Plants annual or perennial, herbaceous or often woody, at least at base; 

 leaves alternate or opposite, entire, pinnatifid, or dentate ; flowers axillary ; 

 corolla more or less bilabiate, tubular or salverform ; style exserted ; seeds 3 

 to many. 



The species listed here are the only ones known. 



Leaves narrowly linear and entire, or pinnatifid into linear lobes ; bracts in- 

 conspicuous. 



Leaves pinnatifid 1. L. havardii. 



Leaves entire. 



Stamens exserted 2. L. tenuifolia. 



Stamens not exserted. 



Corolla tube much exceeding the calyx 3. L. guttata. 



Corolla tube scarcely exceeding the calyx 4. L. efEusa. 



Leaves broader than linear or, if linear, dentate; bracts large and conspicuous. 



Corolla normally red 5. L. m^exicana. 



Corolla blue or white. 



Flowers solitary- 6. L. pumila. 



Flowers mostly in several-flowered inflorescences. 



Bracts scarious, not green, entire 7. L. purpusii. 



Bracts green and herl)aceous or, if scarious, dentate. 



Bracts all linear-lanceolate 8. L. glandulosa. 



Bracts all or mostly ovate. 



Leaves mostly cordate-clasping 9. L. amplectens. 



Leaves not cordate-clasping. 



Stamens pilose 10. L. scariosa. 



Stamens glabrous. 

 Flowers partly solitary and partly in 2 to 4-flowered ra- 

 cemes 11. L. caemlea. 



Flowers capitate 12. L. ciliata. 



1. Loeselia havardii A. Gray, Proc. Amer. Acad. 19: 87. 1883. 

 Gilia havardii A. Gray, Syn. Fl. ed. 2. 2^: 411. 1886. 



Western Texas, the type from Presidio del Norte, on the Rio Grande, and 

 doubtless occurring on the Mexican side of the river. 



Plants perennial, f ruticose below, villous ; lobes of the leaves sharp-pointed ; 

 flowers pedicellate; corolla purplish, 12 mm. long, the tube twice as long as 

 the calyx. 



2. Loeselia tenuifolia A. Gray, Proc. Amer. Acad. 11: 86. 1875. 

 Gilia tenuifolia A. Gray, Syn. Fl. ed. 2. 2': 411. 1886. 



Southern California, the type from the Cantillas Mountains, and doubtless 

 extending into northern Baja California. 



Plants 30 cm. high or less, woody at base, nearly glabrous; leaves about 15 

 mm. long; flowers pedicellate; corolla red, about 2 cm. long, the tube more 

 than twice as long as the calyx, the lobes tridentate. 



3. Loeselia guttata A. Gray, Proc. Amer. Acad. 20: 302. 1885. 

 Oilia guttata A. Gray, Syn. FL ed. 2. 2^: 411 1886. 



Type from northern Baja California. 



Plants 40 cm. high or less, woody at base, glabrous; corolla purplish, 15 to 

 20 mm. long, the lobes tridentate. 



