76 CONVOLVULACE^. [Convolvulus. 



2. C. grandiftora; foliis lato-lanceolatis nitidis inferioribus ssepissime serratis glabris su- 

 perioribus ramisque junioribus pubescentibus, capitulis viscosis, corollas limbo obliqno erec- 

 tiusculo tubum subfequante.— Z)om^/. in Bot. Reg. L 1174.. Hook. Bot 



Benth. L c. 



Mag 



Hab. Columbia River, N.W. America, from the source in the Rocky Mountains to the mouth. Doug- 

 las, Dr. Scouler. 



3. C. linearis; foliis lineari-lanceolatis lato-lanceolatisve opacis plerumque glabris, ramis 

 superioribus patentissimis pubescentibus, corolla limbo patente tubo gracilimo triplo 

 breviore.— A^M«, Gen. v. 1. p. 126. Dougl. in BoL Reg. t 1166. Hook. Bot. Mag. t. 2893. 

 Benth. L c. 



Hab, From the Saskatchawan to Fort Franklin and the Rocky Mountains, Dr. Richardson, Drum- 

 mond. From Lake Winipeg, across the Rocky Mountains, to Menzies* Island in the Columbia, thirty miles 

 from the Pacific. Drummond, Douglas, Scouler. 



4,. C. gracilis ; glanduloso-pubescens, caule valde ramoso, foliis lineari-oblongis obtusis 

 inferioribus oppositis, calycis 5-partiti laciniis longe subulatis tubum corolla aequantibus. 

 DougL ms.~Benth. I c— Gilia gracilis. Hook. Bot. Mag. t. 2924.-/3. humilior; foliis in- 

 ferioribus latioribus.— Collomia humilis and C. bellidifolia. DougL ms. 



Hab. N.W. America, Valltos of the Mountains near the Kettle Falls, and /3. Fort Vancourer, and at 

 the Multnoroack. Douglas. 



Ord. LXI. DIAPENSIACE^. LindL 



1. DIAPENSIA. Z. 



Cal. 5-partitus, 3-bracteatus. Cor. 1-petala, regularis, sestivatione imbricata. Starn. 5 

 sequalia, filamentis dilatatis ad summum tubi corolte insertis, limbi laciniis alternis; antheris 

 2-locularibus transversim dehiscentibus ecalcaratis. Stigma sessile. Capsula cartilaginea, 

 3-locularis, infra medium trivalvis, medio placentifera, dissepimentis e medio valvarum! 

 Semina plurima minuta, areolata.— Suffrutices arctici, himiles, ccespitosi, prostrati. Folia 

 parva imbricata sempervirentia. 



1, D. Lapponica. L.— Torrey, FL v. \. p. 231. Hook, in Parry's 2d. Voy. App..~D. 

 obtusifolia. Salisb. Parad. Lond. t. 104. Pursh, Am. v. I. p. 147. 



Hab. Labrador. Dr.Morison, Miss Brenton. Whale Island, Arctic America. Captain Sir E. Parry 

 Mouth of the Great Fish River. Capt. -Bac^.— This does not appear to exist on the Pacific side of the 

 Rocky Mountains, nor further to the west than the Great Fish River. The only station in the United 

 States is the White Hills of New Hampshire, whence I have received it from Dr. Boott and Mr. Greene. 



Ord. LXIL CONVOLVULACEiE. Juss. 



1. CONVOLVULUS. Jacq. Br. 



Cal 5.partitus, nudus, v. bracteis 2 minoribus imbricatis. Corolla campanulata, 5- 



