INDEX. 



487 



(§2) Chrypoma, — 



Solidago c^onoclada, 199. 

 paiiic'ulata, 199. 

 ]iaucill<i.sciil(isa, 198. 

 scabiida, 199. 

 simplex, 199. 

 spatliulata, 199. 

 velutina, 199. 

 (§ 3) Eutlianiia, — 

 lanceolata, 198. 

 leptocepliala, 198. 

 occidentalis, 198. 

 tenuifolia, 198. 

 Sophora secnndiflora. Lag., 347. 



sericea, Xutt., 317. 

 Sper (Jill aria, Presl, 327. 



Mexicana, Ilemsl., 327. 

 neylecta, 327. 

 Sphteralcea angustifolia, St. Ilil., 

 331. 

 hastulata, Gray, 331. 

 stellala, Torr. & Gray, 332. 

 Spira;a discolor, Pursh, 353. 

 Spruce-beams, experiments on the 



fatigue of small, 304. 

 Stellaria cuspidata, Willd., 327. 



prostrata, Baldw., 327. 

 Stenosiphon virgatus, Spach, 358. 

 Slipalaria, Haw., 327. 

 Streptanthus diversifolius, Watson, 

 363. 

 micranthus, Gray, 321. 

 Stromateus triacanthus, 276. 

 Stylosanthes mucronata, AVilld., 314. 

 Synthlip.sis Berlandieri, Gray, 321, 

 322. 

 Greggii, Gray, 322. 

 heterochroma, Watson, 321. 



Talinopsis frutescens, Gray, 329. 

 Talinuiii aurantiacum, Engelm., 



329. 

 Telephoning over long distances or 



through cables, 2G8. 

 Temnodon saltator, 275. 

 Tephrosia Lindheimeri, Gray, 342. 



teiiella, Gray, 342. 

 Tetrabrompropionate, baric, 142. 



calcic, 143. 

 Tetrabromproj^ionic acid, 110. 

 Thalictrum strigillosum, Ilemsl., 



317. 

 Tharanosma Tesanum, Torr., 335. 



Thelypodium auriculatum, Watson, 



321. 



linearifolium, Watson; .321. 



longifoliuin, Watson, 321. 



micrantlium, Watson, 321. 



Thermoelectric line of copper and 



nickel below 0°, 47. 

 Thermoelectricity, 39. 

 Tlierniometer, a new form of air-, 

 22. 

 differential air-, 26. 

 etiier, examination of, 54. 

 Thermometers, simple method for 



calibrating, 157. 

 Thlaspi Calii'ornicum, Watson, 365. 

 Tilia INIexicana, Benth., .332. 

 Tilhea angustifolia, Nutt., 354. 

 Tourmaline, white, 57. 

 TradescaiitiaFloridana. Watson, 381. 



gracilis, HBK.,382. 

 Tribromacrylic acid, crystalline form 



of, 154. 

 Tribrompropionate, argentic, 137. 

 Tribrompropionic acid, 137. 



its relation to dibromacrylic 

 acid, 133. 

 Tribulus maximus, Linn., 334. 

 Trifolium amabile, Hook., 339. 

 involucratum, AVilld., 339. 

 reflexum, 339. 



Schiedeanum, AYatson, 339. 

 Turmeric, on certain substances ob- 

 tained from, 110. 

 Turnera aphi'odisiaca, Ward, 359. 



U. 



Ungnadia speciosa, Endl., 337. 



V. 



Yauquelinia corymbosa, Corr. , 353. 

 Vesicaria argyrea. Gray, 319. 



Fendleri, Gray, 320. 



purpurea, Gray, 319. 



recurvata, Engelm., 320. 



Schaffneri, Watson, 320. 



stenojjhylla. Gray, 320. 

 Yicia Americana. Linn., 345. 



pulchella. HBK., 345. 

 Yiola Barroetana, Schaffn., 324. 



cucullata, Ait., 321. 



flagelliformis, Ilemsl., .323. 



Hookeriana, HBK., 324. 



