OPL'XTIA Rl'I'.lFI.oRA X. SP. 



Bv AxsTRUTHER Davidsox, C. M., M. D. 



Joints (-jliovate 4 1)_\- (> inclies ; ])ulvini 5 to 7 in each row; 

 opines 5 to 7, one more ])njminent alx.iit 1 inch 1< in^;", others shorter 

 ah ])orrect, (Uisky Ijecomint^- whitish after tlie second vear, Ijristles 

 numerous. Areolae on fruit alxmt 2?. iHowers rech seeds simi- 

 lar to those of O. occidriitalis. 



Txpe station llollxwood near reservoir. Fre(|uent through- 

 out the v^an l-'ernando X'alley. 



This species is nearest (). Oicidciiftilis and is most readilv 

 identified 1)_\' the color of the flowers. Tlie i)lant is less tall than 

 (J. (H-cideiitalis as it tends to spread laterally while the smaller 

 joints i^'ive it a more compact appearance.. The s])ines in numljer 

 and coloration stand intermediate hetween (). occidenfalis and 

 (). littoi-aHs les> numerous in each aretila than in the latter and 

 more so than in the former. 



We have two common ( Ijiuntias on this coast. 0. occidenfalis 

 ran^-es from the coast line to the foothills and interior vallevs. 

 C). littoralis on the other hand is more limited to the coast line, Init 

 ma}' e.xtend some distance inward as at 1 lolKwood. where the 

 two ma\' lie found L^rnwinu' to^■ether. 



A])1)1TI()XS To THE FLORA OF FoS AXG]a<ES 



CorXTY IX F)ir.. 



]')}• .\.\s'i'ROiii i-K I ).\\insox, C. .\h, .\l. 1). 



The activity of the mem])ers of the Rotanical Section of the 

 Academy has increased ou.r list of count\- i)lants h\ some in- 

 terestini^' additions l)esides adding" the few new species new to 

 science that have alread}- heen ])uljlished in the Rulletin. 



The following list includes those species heretofore omitted 

 or not previously recorded as occurring in our limits. The 

 name of the collector is added in parentheses to each notation. 



M iihlnilhvu^ia sijiiarrosa Meller. Alt. San Antonio. ( IF-.r- 

 lew. ) 



Lc'c^'isii rcdirii'o I'ursh. \\i. San Antouio. ( Rurlew. ) 



Alliiun rarish.ii Wats. .\It. San .Antonio. (Burlew.) San 

 Galjriel Can\'on (Davidson). 



HosdiJiiakiii sti-obiUicca r,ra\-. Trail to Mt. San Antonio 

 ( r.urlew ). 



This curit)us ])lant, more commou in the north, has onl\- once 

 hefore 1)een collected in the south, Femmon having long ago dis- 



33 



