APPENDIX D. BOTANY. 393 



Echixospermum floribundum, Lelim.; Hook. Fl. Bor. Amer. 

 2 f p. S4. — Valley of the Malade, Sept. 25. Near E. dejlcxum. 



Amsinckia lycopsoides, Lelirn.; D C. Prodr. 10, p. 117. — 

 Shore of the Salt Lake. Fl. May 5th. 



Mertensia Drummondii, G. Don; D C. Prodr. 10, p. 8G. — 

 Salt Lake Valley. 



Lithospermum? ciRCUMscissuM, Hook, and Arn., Bot. Beech. 

 Voy., suppl. p. 3*70. — On Green Eiver. In my account of the 

 plants collected in California and Oregon by the United States 

 Exploring Expedition, I have made this plant the type of a new 

 genus, (Piptocabjx,) allied to Eritrichiurn, from which it differs in 

 its naked corolla and deciduous calyx. 



Hydrophyllum capitatum, Dough; Benth. Trans. Lin. Soc. 

 17, p. 273. — Ogden's Pass, May 15. 



Eutoca heterophylla, Torr. (n. sp.:) erecta scabro-pubescens ; 

 foliis oblongo-linearibus subsessilibus integris vel ad basin utrinque 

 unilobatis, lobis oblongis v. linearibus; floribus brevi-pedicellatis ; 

 lobis calycinis spathulato-linearibus obtusiusculis ; corolla patenti- 

 campanulata calyce sesquilongiore ; placentis multiovulatis. — Val- 

 ley of the Salt Lake, on the eastern side. 



Annual; about a foot high. Radical leaves spatulate ; the cau- 

 line ones broadly linear, 1-1 \ inch long ; either entire or furnished 

 on each side at the base (sometimes only on one side)' with a 

 spreading, narrow, acute lobe, so that the leaves appear somewhat 

 halberd-form. Piacemes short, terminating the branches. L 

 of the calyx' about three and a-half lines long, Corolla wk. ,| 

 campanulate, almost rotate, about five lines long; the lobes six % 

 and rounded. Appendages ten, narrow, connivant in pairs between 

 the bases of the filaments. Stames nearly equal, a little shorter 

 than the corolla. Style somewhat exserted ; 2-lobed at the 

 summit. Ovary with 15-20 ovules attached to each placenta. 

 This species resembles E. phacelioides, Benth., but differs in the 

 nearly sessile narrower leaves; the larger and broadly campanulate 

 corolla, many-ovuled placentae, &c. 



Gilia (Ipomopsis) pulchella, Dougl. in Hook. Fl. Bor. Amer. 

 2, p. 74. — Ogden Pass, May 15. 



Collomia linearis, Nutt. Gen. Amer. pi. 1, p. 126.— With the 

 preceding. 



