REPORT ON THE BOTANY OF JUAN FERNANDEZ AND MASAFUERA. 47 



The genus Pernettya comprises about fifteeu species, whereof one (or two?) inhabit 

 the mountains of Tasmania and New Zealand, and the rest South America, including the 

 Falkland Islands. In America the species range from Fuegia northward through the 

 Andes to Mexico. Pernettya r'ujida is closely allied to Pernettya mucronata, one of the 

 commoner species in the extreme south of America. 



PRIMULACE./E. 

 Centunculus pentandrus, E. Br. 



Centunculus pentandrus, K. Br., Prodr. Fl. Xov. HolL, i. p. 47. 



Micropyxis pumila, Duby in DC. Prodr., viii. p. 72. 



Anarjallis ocalis, Ruiz et Pav., Fl. Peruv. et CM., ii. p. 8, t. 115 ; Philippi in Lot. Zeit., 1856, p. 



629. 

 Anagallis pumila, Swartz, Fl. InJ. Occ, i. p. 3-45. 



Juan Fernandez. Philippi 



A small annual plant now widely dispersed in Central and South America, the West 

 Indies, Africa, East Indies, and Australia. 



POLEMOXIACEiE. 

 Collomia gracilis, Douglas. 



C'ollomia gracilis, Douglas in Bot. Reg., sub. t. 1622 ; DC, Prodr., ix. 308 (cum (3 andicola, Bentli.) ; 



Philippi in Bot. Zeit, 1856, p. 629; Bot. Calif., i. p. 488 ; Gay, Fl. Chil., iv. p. 422. 

 Gilia gracilis, Hook., Bot. Mag., t. 2924. 



Juan Fernandez. Philippi. 



British Columbia and the Eocky Mountains to California, and common in Chili. An 

 annual, probably an introduced plant in Juan Fernandez. 



BOEAGINEzE. 



Selkirkia, Hemsl. 



Calyx parvus, alte 5-fidus, lobis ovatis obtusiusculus sub fructu occultis. Corollse 

 subrotatse tubus brevis, sursum parum dilatatus, fauce gibbis vel plicis 5 convexis semi- 

 circularibus instructa ; limbi lobi 5, imbricati, patentes, rotundati, undulati. Stamina 5, 

 tubo afiixa, inclusa vel subexserta, filamentis brevibus ; antherse oblonga?, obtusae. Ovarii 

 lobi 4, indistincti, jam tuberculati ; stylus erectus, inclusus, stigmate capitato. Ovula 

 angulo interno affixa, suberecta. Nuculae 4, vel abortu pauciores, facie interna areola 

 triano-ulari ad apicem gynobasi pyramidatte affixse, late alataa, deorsum prrecipue valde 

 productas, margine cristato-dentata;, dorso tuberculis saspius 3 vel 4 crassis elongatis 

 rectis vel leviter, curvatis apice hispidulis instructa?. Semina in loculis deorsum productis 

 pendula. 



