134 PROCEEDINGS OF THE AMERICAN ACADEMY 



ovato-ellipticis, opacis hirsutulis vel nitidis glabratis, marginibus hispidu- 

 lo-ciliatis. — Hawaii and Maui. 



7. Raillardia platyphylla (sp. nov.) : fruticosa ; ramis validis 

 conferte foliosissimis ; foliis oppositis lanceolato-ovatis e basi semiam- 

 plexicauli ad apicem sensim angustatis subacutis 7-11-nerviis undique 

 scaberrimis, junioribus glanduloso-viscosis ; panicula nuda ; capitulis 

 10-20-floris. — Variat foliis angustioribus oblon"[o-lanceolatis ternis. — 

 Maui. Leaves 2 or 3 inches long, commonly an inch wide next the 

 base. 



8. Raillardia arborea (sp. nov.) : trunco 20-pedali ; ramis 

 validis conferte foliosis ; foliis elliptico- seu elongato-oblongis utrinque 

 obtusissimis arete sessilibus 3-5-nerviis glanduloso-scabridis, junioribus 

 viscoso-pubescentibus ; panicula basi foliosa cum involucre 9 - 14-phyllo 

 25 - 45-floro hirsutis et glanduloso-viscosis. — Hawaii, on Mouna Kea. 

 Leaves 1^ to 2 inches long. 



* * Folia pi. m. concava, erecto-imbricata, tenia, leviter vel infra obso- 

 lete 3-5-nervia. 



9. Raillardia struthioloides (sp. nov.) : caule arborescente ; 

 foliis secus ramos imbricato-confertis oblongo- seu elliptico-lanceolatis 

 acutiusculis arete sessilibus cinereo-hispidulis vel scab ridis, junioribus 

 hirsuto-ciliatis ; panicula seu racemo simplici ; involucro 6 - 9-phyllo 

 12 - 20-floro. — Hawaii, on Mouna Kea, with the preceding and higher. 

 Leaves 1^ to 2 inches long. 



DUBAUTIA, Gaud. — The best published description is that of 

 Lessing, who rightly ascribed to D. plantaginea a couple of paleaj on 

 the receptacle. These, overlooked by Hooker and Arnott, and there- 

 fore, it would seem, ignored by De Candolle and Endlicher, are gener- 

 ally if not always present whenever the flowers are more numerous 

 than the scales of the involucre, subtending the flowers which are not 

 subtended, and their achenia embraced, by the involucral scales. In 

 D. Ittxa, accordingly, these palese are more obvious, and still more strik- 

 ing are they in a new species with many-flowered heads, which is 

 moreover remarkable for its truly paleaceous, instead of aristiform, 

 pappus. As the old species need diagnoses as well as the new, I ap- 

 pend the characters of all of them. 



1. DuBAUTiA PLANTAGINEA (Gaud.) : foliis glabratis glabrisve 

 elongato-lanceolatis sensim acuminatis basi modice angustatis ; capitulis 

 parvis 7 -10-floris numerosissimis in ramos divergentes folioso-bracte- 



