OF ARTS AND SCIENCES. 85 



from British America to Colorado and Utah, and westward on the 

 higher Cascades and Sierras from Washington Territory to the borders 

 of California. 



Gaultiieria ovatifolia. Major, dodrantalis ; ramis adsurgenti- 

 bus calyceque pilis mox ferrugineis pilosis ; foliis lato-ovatis etiam 

 subcordatis pollicaribus immo sesquipollicaribus magis serrulatis ; co- 

 rolla campanulata caljcis lobis acutioribus duplo longiori. — ^yooded 

 banks of streams and canons of the Cascade "Mountains, borders of 

 British Columbia, Washington Territory, and N. Oregon, coll. Lyall, 

 E. Hall, S. Watson, W. N. Suksdorf. 



Asclepiadacece, 



Metastelma Arizonicum, Caulibus fere filiformibus e basi lig- 

 nescente ultrapedalibns filiformibus puberulis ; foliis crassiusculis an- 

 giisto-linearibus acutis basi abrupta parum latiore petiolatis eveniis 

 marginibus mox revolutis ; cynmlis paucifloris in axillis subsessilibus ; 

 corolla lin. 2 longa campaniformi 5-partita, lobis lanceolatis obtusius- 

 culisiiitus villo brevi retrorsum barbatis ; corona? squamis 5 attenuato- 

 linearibus stigma superantibus basi columnar antheris paullo brevioii 

 insertis. — Arizona, on hills near Tucson, May, 1883, Pringle. 



AscLEPiAS CuRTissii. Juxta A. ohovatam coUocanda ; caule pu- 

 berulo 1-3-pedali ; fidiis glabellis oppositis ovalibus brevi-petiolatis 

 subtransverse lineato-venosis internodiis 2-3-plo longioribus (sesqui- 

 pollicaribus) ; umbellis subsolitariis brevi-pcdunculatis ; floribus pauci- 

 usculis viridulo-albidis ; cucullis subhastato-lanceolatis rectis arrectisque 

 gynostemium longe superantibus supra basim marginibus latis tenuibus 

 iuflexis, cornu infra medium orto falcato-incurvo lato apice adsurgente ; 

 antheraruiu alls latissimis anguloacuto; columiia brevissima. — Kastern 

 part of S. Florida, A. H. Curtiss, 1879. (This has recently been 

 published in the supplement to a re-issue of Chapman's Flora of 

 Southern U. S., 643.) 



AsCLEPiAS Lemmoni. Procera, pilis patentibus multiarticulatis 

 pubescens vel in caule hirto-villosa : foliis magnis (5-10-pollicaribus) 

 oppositis ovalibus obtusissimis basi subcordatis subsessilibus ; pedun- 

 culis folio paullo brevioribus ; umbella multitiora ; pedicellis uncialibus 

 villoso-hirtis; floribus inter maximos ; petalis (lin. 5 lon<iis) ovatis 

 flavo-viridulis glabris ; colurana staminea brevi ; cucullis albidis (lin. 4 

 longis) antheras longe superantibus ovato-sublanceolatis superne pa- 

 tentibus versus basim obtuse bidentatis et cornu oblongo piano obtusis- 

 simo instructis, costa callosa purpurascente ; folliculis pubescentibus. — 

 S. Arizona, near Fort Huaehuca, on slopes in Tanner's Caiiou, in 



