STAXDLEY TREES AND SHRUBS OF MEXICO 1349 



3. Beloperone purpusii T. S. Brandeg. Zoe 5: 172. 1903. 

 Southern Baja California; type from San Felipe. 



Plants sufTrutescent, the branches densely velutinous-piibescent; leaves short- 

 petiolate or the upper sessile, ovate or broadly ovate, 3 to 10 cm. long, obtuse to 

 acuminate, truncate or cordate at base, densely pubescent; inflorescence viscid- 

 villous; corolla about 3 cm. long. 



4. Beloperone californica Benth. Bot. Voy. Sulph. 38. 1844. 



?Beloperone californica conferta T. S. Brandeg. Proc. Calif. Acad. II. 2: 194- 

 1889. 



Baja California, Sonora, and Sinaloa; type from Cape San Lucas, Baja 

 California. Southern California. 



Shrub, 2 meters high or less, often leafless, the branches whitish-tomentulose; 

 leaves long-petiolate, oblong-ovate to rounded-ovate, 1 to 6.5 cm. long, obtuse or 

 acute, rounded to cordate at base, pubescent, sometimes dentate; inflorescence 

 viscid-puberulent or villous; corolla red, 3 to 3.5 cm. long. "Chuparosa" 

 (Sonora) . 



The flowers are said to be eaten by the Papago Indians. 



153. RTJBIACEAE. Madder Family. 



Shrubs or trees, or often herbs, sometimes armed with spines; leaves opposite 

 or verticillate, entire, stipulate; flowers perfect or unisexual, large or small, 

 usually regular; calyx inferior, the limb entire or lobate, rarely obsolete; corolla 

 gamopetalous, the lobes valvate, imbricate, or contorted; stamens usually as 

 many as the corolla lobes and alternate with them, inserted on the tube or throat 

 of the corolla; style simple or 2 to 10-cleft; fruit capsular, baccate, or drupaceous, 

 or of dehiscent or indehiscent cocci. 



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

 species. Among the most important members of the family are the species of 

 Cinchona, a South American genus, which yield the Cinchona bark of commerce, 

 from which quinine is extracted. Two or more species of Cinchona are cultivated 

 in Veracruz, and perhaps elsewhere, having been introduced first at Cordoba. 

 A. Ovules more than one in each cell. 

 Fruit dry. 

 Seeds not winged or, if winged, horizontal. 

 Corolla lobes valvate. 



Seeds horizontal, usually very numerous; large shrubs with large flowers. 



1. PORTLANDIA. 

 Seeds vertical, few; small shrubs with small flowers-. 2. HOUSTONIA. 

 Corolla lobes imbricate or contorted. 

 Corolla lobes imbricate. 



Capsule half superior 3. RACHICALLIS. 



Capsule wholly inferior 4. RONDELETIA. 



Corolla lobes contorted. 



Corolla tube short, shorter than the lobes 5. DEPPEA. 



Corolla tube elongate, usually much exceeding the lobes. 



Corolla tubular; filaments elongate 6. OMILTEMIA. 



Corolla salverform or funnelform; filaments short. 



Anthers exserted; corolla tube several times as long as the lobes. 



7. LINDENIA. 

 Anthers included; corolla tube less than twice as long as the 



lobes 8. ST YLOSIPHONIA. 



Seeds winged or appendaged, vertically imbricate. 



Corolla open in bud, the lobes not touching 9. EXANDBA. 



