PLANTS FROM BAJA CALIFORNIA. 183 



endocarp in two layers, the inner projecting in ridges 

 through the oblique cribrose openings of the outer; testa 

 endosperm and embryo all correspondingly ridged or nodu- 

 lated: seed attached by a prominent black funiculus above 

 the middle of the ventral face; cotyledons thick, oblong 

 twice as long as the stout radicle. — San Sebastian, Co- 

 mondu. 



Philibertia LINEARIS (Decaisne). The specimens from 

 the sands of Magdalena Ba}^ exactly agree with the descrip- 

 tion of Sarcostemma arenarium, Bot. Sulph., 84; those from 

 Comondu with leaves auriculate-cordate, 10-20 mm. wide at 

 base, were found climbing high over bushes and hedges. 



AscLEPiAS EROSA Torr. — Agua Dulce. 



AscLEPiAS SUBULA.TA Decaisne. — San Gregorio, El Eosario. 



AscLEPiAS ALBICANS Watson. — Magdalena Bay, Santa 

 Maria. Woody at base. Leaves in these specimens often in 

 pairs; fleshy appendages between the bases of the hoods 

 hardly lobed. 



Metastelma Californicum Benth. — Magdalena Island, 

 Comondu. Woody at base. Scales of the crown nearly twice 

 surpassing the gynostegium. Follicles linear-acuminate, 

 50-70 mm. long, 5-7 wide. Veins of the leaves either ob- 

 scure or apparent. 



GoNOLOBUS hastulatus Gray. — San Joaquin, San Ignacio, 

 Calmalli. 



GoNOLOBUS, sp. — Purisima. 



HiMANTOSTEMMA Pringlei Gray. Stems woody at base. 

 Leaves often more than an inch long, the lower reniform. 

 Follicles oval, long-acuminate, 60-110 mm. long, 15-20 

 wide, echinate with long subulate lobes. — Santa Margarita 

 Island. 



BoTHROCKiA CORDIFOLIA Gray. — San Sebastian, in fruit 

 only. 



