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Show APPENDIX D.- BOTANY. 88T a flower- bad. Fig. 5, a flower laid open. Fig. 6, a petetf. Fig. 7, plan of the flower. Fig. 8, a pistil. Fig. 9, front view of the style and stigma. Fig. 10, side view of the same. Fig. 11, a carpel of the natural size. Fig. 12, the same magnified. Fig. 13, a stamen seen in front. Fig. 14, the same seen from behind. Fig. 15, longitudinal section of a ripe carpel, showing the erect seed. Fig. 16, transverse section of the same. All the figures except No. 1 are more or less magnified. SPIREA DTTMOSA, Nutt. Mss.; Hook. Lond. Jour. Bot. 6, p. 217; Gray, pi. Fendl. p. 40. S. discolor, Torr. in Ann. Lye, N. York, 2, p. .195; not of Fursh.- Stansbury's Island, Salt Lake. Fl. June 26. Plate IV. Spiraea dumosa; a branch of the natural size. Fig. 1, the fructiferous calyz. Fig. 2, a carpel. Fig. 3, the same laid open. S. OPULIFOLIA, var. PAUCIFLORA, Torr. and Gr. Fl. 1, p. 414.- Summit of a mountain on Stansbury's Island, Salt Lake. Fl. June 26. A tall, much branched shrub, with leaves scarcely more than half an inch in diameter. ( ENOTHERA OSSPITOSA, Nutt.- Shore and islands of the Salt Lake. May and June. Usually acaulescent, but sometimes throwing up a branching stem about six inches high. The flower is from two to three inches in diameter, white and fragrant. S. montana, of Nuttall, is hardly distinct from this species, and, perhaps, ( E. marginata should be regarded as a variety of the same. < E. SCAPOIDEA, Nutt. in Torr. and Gr. Fl. 1, p. 506.- Western shore of the Salt Lake. Fl. and fr. May. - ( E. ALBICAULIS, Nutt.; Torr. and Gr. Fl. p. 495.- Islands of the Salt Lake. Fl. June. Stem about a foot high; the flowers small, white, and inodorous. GAYOPHTTTTM RAMOSISSIMUM, Torr. and Gr. Fl. 1, p. 513.- Antelope Island, Salt Lake. Stem about eighteen inches high, with very slender branches, and flowers even smaller than in Mr. Nuttall's specimen of this plant. The pedicles are about twice as long as the ripe pod. MENTZBLIA ORNATA, Torr. and Gr., and Gray, PI. Fendl. p. 47. Bartonia ornate, Nutt.- Islands of the Salt Lake. In our speci- |