2i8 Mr. J. C. Melvill on a ^ 



ASCLEPIADACE.^. 



Asclepiodora dectimbens (Gray). 

 Asclepias speciosa (Torrey). 



Two very handsome species. 



Gentianace^. 



Gentiana affinis (Grisebach). 

 Ditto var. 

 This latter of more compact growth, leaves partially 

 imbricate, and smaller in all its parts. 



POLEMONIACE/E. 



Gilia (Collomia) linearis (Gray). 

 „ „ aggregata (Sprengel). 



Described by Mr. C. Lees as being extremely beautiful 

 with its scarlet flowers, and growing in the most arid 

 situations imaginable. 



BORRAGINACEiE. 



Lithospernium multifioruin (Torrey). 



CONVOLVULACE/E. 



Calystegia sepiiim (R. Br.). 



Not apparently differing from British specimens. 



SCROPHULARIACE/E. 



Pentstemon aziireus (Bentham). 



With large blue flowers, andjglaucous foliage, 

 Minmlus Janiesii (Torr. & Gray). 



This appears to be the M. glabratus (Auct.), a small 

 flowered, rather insignificant, species. 



Castilleia linaricefolia (Bentham). 



With calyx coloured red-crimson ; one of the hand- 

 somest of the ' Painted-cups.' 



Orthocarpus lutais (Nuttall). 



Orthocarpus an. var. prcec. ? Similar in foliage and 

 growth, but flowers whitish. 



