PLANTS FROM BAJA CALIFORNIA. 159 



the center, and bear a profusion of showy flowers. — Seen 

 only upon Magdalena and Santa Margarita Islands. 



Petalonyx Thurberi Gray. — Common in the sand of dry 

 streams about Calamujuet. 



Petalonyx linearis Greene. — San Gregorio, Santa Maria. 



EucNiDE CORDATA Kellogg. — San Gregorio. 



EucNiDE URENS Parry. — Santa Maria. 



Mentzelia ADHERENS Benth. — Magdalena Island. 



Mentzelia dispersa Watson. — San Pablo. 



Mentzelia hirsutissima Watson. Plants sparingly hir- 

 sute, all the upper leaves sessile: seeds large, white, oval, 

 turgid and rugose, in two rows on each placenta. — Calamu- 

 juet, Cajon de Santa Maria. 



Sympetaleia aurea Gray. Flowers either pale yellow or 

 deep orange. — Pozo Grande, Comondu, Purisima. 



Sympetaleia rupestris (Baill). San Julio Canon and 

 Cajon de Santa Maria. 



Passiflora fcetida L. — Magdalena Island, Comondu and 

 northward to Calmalli. 



Echinocystis minima (Kellogg). The leaves of this plant 

 are extremely variable, even for a family of plants in which 

 variation is not uncommon. They may be a half-inch or 

 more than three inches long, deeply 5-lobed with slender 

 segments or perfectly entire. — Santa Margarita Island, Co- 

 mondu. 



Cyclanthera monosperma.- Perennial (?), climbing in 

 bushes to a height of hve feet, glabrous, very slender: leaves 

 small on short petioles, divided nearly to the base into 3-5 

 linear segments: tendrils slender, elongated, simple; pe- 

 duncles of the male flowers two cm. long; raceme half as 

 long, flowers very small on slender pedicels, three mm. long, 

 jointed close to the flower: calyx tube pateriform, lobes 



