iü BULLETIN DE L'HERBIER BOISSIER. (iü) 



cites uo moi'e précise locality than « Numidia » : any information affor- 

 ded by the examination of the type-specimens which are in the late 

 Ernest Cosson's herbarium I have not been able to obtain. 



6. Gayana, Williams. 



Tota planta pilis longe villosis multi- non paucicellulatis apice acu- 

 tatis acutis dense vestita, sed eglandulosa. Folia eis varietatum priorum 

 latiora, oblongo-elliptica vel t'ere obovato-cuneata, 11-14 mm. X 

 4-5 mm. Sepala subenervia. Petala alba. Habitu quam in typo evidentius 

 robusta, 12-16 centim. alta. 



Syn. Rhodalsine platyphylla, Gay, herb, in Herb. Kew. 

 Hab. Canary Islands. Cliffs of Haadia on the island of Fuerteventura (Bour- 

 geau, PL Canar. 1846, n. 717; Webb, exs. 1846). 



A plant readily distinguished froni other forms grouped under the 

 two species by the broader leaves and long multicellular hairs of the 

 dense indumentum. 



IIhodalsine, genus a Jacobo Gay Arenaria procumbente fundatmn, 

 pluribus lustris a botanicis ad Älsinen aut Arenariam reductum vel 

 etiam neglectum, nunc redditum, tametsi Polycarpsese propter embryo- 

 nem affine, nihilominus systematicè inter Alsinen et Hymemllmn collo- 

 candum. 



Brentford, 14 août 1897. 



