STANDLEY TKEES AND SHRUBS OF MEXICO. 1209 



Several genera of the family are represented in Mexico only by herbaceous 

 species. 



Corolla regular, not bilabiate 1. GILIA. 



Corolla bilabiate. 



Calyx whitish-membranceous below the sinuses 2. LOESELIA. 



Calyx green, herbaceous 3. BONPLANDIA. 



1. GILIA Ruiz & Pav. Fl. Peruv. Chil. Prodr. 25. 1794. 



Shrubs or usually herbs; leaves opposite or alternate, entire or divided; 

 flowers solitary or in thyrsiform panicles; corolla usually salverform, the 

 limb 5-lobate; stigmas 3, filiform; capsule loculicidally 3-valvate. 



Numerous herbaceous species occur In northern Mexico. 



Leaves alternate. 



Leaves linear, entire 1. G. palineri. 



Leaves pinnatifid. 



Lobes of the corolla much longer than the tube 2. G. rigidula. 



Lobes of the corolla shorter than the tube 3. G. gloriosa. 



Leaves opposite. 



Lobes of the leaves linear, not rigid 4. G. floribunda. 



Lobes of the leaves acerose, rigid 5. G. veatchii. 



1. Gilia palmeri S. Wats. Proc. Amer. Acad. 24: 61. 1SS9. 

 Baja California; type from Los Angeles Bay. 



Plants essentially annual but sometimes becoming suflfrutescent below, 

 pubescent; leaves 3.5 cm. long or less; flowers slender-pedicellate; corolla 

 violaceous, about 1 cm. long. 



2. Gilia rigidula Benth. in DC. Prodr. 9: 312. 1845. 



Oilia rigidula acerosa A. Gray, Proc. Amer. Acad. 8: 280. 1870. 



Chihuahua to San Luis Potosl, Zacatecas, and Durango. Western Texas 

 to Arizona; type from San Antonio, Texas. 



Plants 30 cm. high or less, usually herbaceous but often woody; leaves 

 pinnatifid or bipinnatifid, the lobes linear or acerose, sharp-pointed; corolla 

 blue, 3.5 cm. broad or less, the tube very short. 



(HUa rigidula acerosa is a form with acerose, vei*y stiff leaf segments. 



3. Gilia gloriosa T. S. Brandeg. Proc. Calif. Acad. II. 2: 184. pi. 9. 1889. 

 Baja California ; type from Ubi. 



Densely branched shrub, about 1 meter high, forming broad rounded clumps, 

 glandular-pubescent; leaves rigid, the lobes acerose; corolla 3 to 4 cm. long, 

 pale pink or nearly white. 



4. Gilia floribunda A. Gray, Proc. Amer. Acad. 8: 267. 1870. 



Mountains of Baja California and Chihuahua. New Mexico to southern 

 California. 



Plants about 30 cm. high, fruticose at base, slender, pubescent; leaves 

 parted to the base, the lobes 2 cm. long or less, spreading or reflexed ; flowers 

 corymbose-cymose at the ends of the branches; corolla white, 1 to 1.5 cm. 

 long. 



5. Gilia veatchii Parry; Greene, Bull. Calif. Acad. 2: 198. 1885. 

 Cedros Island, Baja California. 



Densely branched shrub, 60 cm. high or less, with shredded bark; leaves 

 parted to the base, 7 mm. long or less, glandular-pubescent ; corolla about 1 cm. 

 long, ochroleucous, purplish outside. 



