188 CALIFORNIA ACADEMY OF SCIENCES. 



Krynitzkia, sp. — Santa Margarita Island, San Ignacio. 



Amsinckia intermedia F. & M. — San Julio, San Enrique. 



Jacquemontia abutiloides Benth. — Magdalena Bay, etc. 



IroMiEA AUREA Kell. — Purisima. A woody perennial, 

 covering small trees with a mass of golden bloom. Fruiting 

 calyx 30 mm. long; seeds nearly globose 10 mm. long, cov- 

 ered with dark brown, minute tomentum. Calyx longer 

 than the tube, broadly campanulate, 40-50 mm. long, pe- 

 duncles long, solitary; bracts remote from the flower. 



Ipom^a Bona-nox L. — Along the streams at Comondu. 



Ipom^a trifida Don. var. — Climbing high among the 

 bushes of Comondu Creek. 



Ipom^a, sp. — Comondu. 



Ipom^a, sp. — Comondu. 



Ipom^a Jicama. Perennial, glabrous, somewhat twining, 

 with numerous slender stems, prostrate or climbing 4-6 feet 

 high in bushes: roots bearing tuberiform juicy swellings 

 2-4 inches in diameter: leaves ovate-acuminate, cordate at 

 base, entire, angulate or sinuate- dentate, 30 mm. long and 

 broad, on petioles of the same length: peduncles solitary, 

 20-50 mm. long with a pair of very unequal bracts near the 

 middle: calyx-lobes oblong-ovate, loug-apiculate, the inner 

 15 mm. long, the outer successively shorter: corolla funnel- 

 form, white changing to purple in fading, 60-80 mm. long, 

 the tube a little longer than the calyx: stigma 2-globose, 

 lobulated: capsule 4-seeded, seeds somewhat rounded dense- 

 ly covered with dark brown pubescence. — Magdalena Island, 

 Santa Margarita Island, San Jorge. 



EvOLVULUS ALSINOIDES L. — Purisima. 



Cressa cretica L. — Magdalena Island, San Gregorio. 



CuscuTA patens Benth. — Magdalena Island. Growing on 

 Bursera Hindsiana, Pierostegia macrpptera, etc. 



