204 CALIFORNIA ACADEMY OF SCIENCES. 



branches; tube cylindrical, white-tomentose, 5-6 mm. long, 

 equaled or at length much exceeded by three broad, re- 

 curved, somewhat uncinate lobes, the three intermediate 

 ones scarcely surpassing the membranous margin which 

 unites the larger: perianth glabrous, shortly pedicellate, 

 10-12 mm. long; tube and throat yellow; segments rose- 

 color, oval or broadly oblong, deeply cleft at the top and 

 sides into numerous strap-shaped lobes: stamens 9, exsert- 

 ed; filaments glabrous, attached near the base of the tube, 

 the upper third dark red; anthers small, oval: akene h the 

 length of the tube; embryo linear; the cotyledons nearly 

 twice as long as the radicle. — San Sebastian. 



The large, widely spreading flowers with yellow throat, 

 sharply contrasting with the rose-colored, deeply fringed 

 border, make this the handsomest of all the species. 



var. ? Bracts broader, awns of the involucre 



straight; flowers smaller, white, less deeply lobed. — San 

 Luis. 



Nemacaulis Nuttallii Benth. — San Borgia. 



Lastarri^a Chilensis Kemy. — Ascension. 



Pterostegia drymarioides F. & M. — San Julio Canon. 



Pterostegia macroptera Benth. Bot. Sulph. — Magdalena 

 Island, San Quintin. 



Polygonum nodosum Pers. — Comondu. 



EuMEX SALiciFOLius Weinm. — San Jorge, Comondu. 



KUMEX HYMENOSEPALUS Torr. 



Antigonon leptopus H. & A. — Comondu, Purisima. 



Aristolochia brevipes Benth. var. acuminata Watson. — 

 Purisima, Comondu. 



Anemopsis Californica Hook. — Comondu. 



Loranthus Sonor^ Watson. — Santa Margarita Island, 

 growing on Bursera microphylla. 



