INDEX. 



687 



Solanum piliferum, Benth., 441. 



refractum, Hook. & Arn., 441. 



Tequilense, Gray, 441. 



?, 441. 



torvum, Swartz, 441. 

 Solidago erecta, Pursh, 308. 

 Spermacoce ?, 417. 



asperifolia, INIart. & Gal., 417. 



Hcenkeana, Hemsl., 417. 

 SphiEralcea, St. Hil., 287, 291. 



acerifolia, Nutt., 294. 



ambigua, 292. 



angustifolia, Spach, 292. 



var. cuspidata, 293. # 



Coulteri, 291. 



Emory i, Torr., 293. 



Fendleri, Gray, 293. 



hastulata, Gray, 292. 



incana, Torr., 293. 



var. dissecta. Gray, 293. 



leptosepala, Torr., 294. 



Lindheimeri, Gray, 292. 



Miuiroana, Spach, 292. 



pedata, Torr., 291. 



var. angustiloba, 292. 



pedatifida. Gray, 291. 



Rusbyi, 293. 



sulphurea, Watson, 292. 



Wrightii, Gray, 293. 

 Spilanthes Beccabuuga, DC, 428. 

 Spiranthes aurantiaca, Benth. & 

 Hook., 45.5. 



graminea, Lindl., 455. 

 Spondias Mexicana, 403. 

 Sporobolus argutus, Kunth, 461. 



Indicus, R. Br., 461. 

 Spraguea, Torr., 284. 

 Sprekelia formosissima. Herb., 457. 

 Stachys agraria, Cham. &Schlecht., 

 446. 



Druinmondii, Benth., 446. 

 Standard of light, experiments on 



the melting platinum, 220. 

 Stars, Polar, observations of the 

 mean right ascension of cer- 

 tain, made at the Field Me- 

 morial Observatory of Wil- 

 liams College, and reduced 

 to the epoch 1884.0, 1. 

 Stemmadenia bignoniseflora, Miers, 



434. 

 Stevia canescens, HBK., 418. 



Eupatoria, Willd., 419. 



glandulosa. Hook. & Arn., 418. 



laxiflora, DC, 418. 



linoides, Schultz Bip., 418. 



Stevia paniculata, Lag., 419. 

 phlebophylla. Gray, 419. 

 rhombifolia, HBK., 418. 

 serrata, Cav., 418. 

 subpubescens, Lag., 418. 

 trifida, Lag., 418. 

 Stillingia Zelayensis, Muell. Arg.?, 



451. 

 Story, William Edward, election of, 



506. 

 Sulphates in aqueous solution, rela- 

 tion between the heats of for- 

 mation of chlorides and, 164. 

 Sulphonates, aromatic, on the direct 

 conversion of, into the corre- 

 sponding amido compounds, 

 245. 



Tagetes subulata, Llav. & Lex., 431. 



tenuifolia, Cav., 431. 

 Talinopsis, Gray, 272, 275. 

 Talinum, Adans., 272, 275. 



brevifolium, Torr., 275. 



calycinum, Engelm., 276. 



humile, Greene, 275. 



lineare, HBK., 275. 



parviflorum, Nutt., 276. 



patens, Willd., 275. 



spinescens, Torr., 275. 



teretifolium, Pursh., 275. 

 Taxodium mucronatum. Ten., 453. 

 Tephrosia affinis, Watson, 405. 



leptostachya, DC, 405. 



talpa, 405. 



toxicaria, Pers., 405. 

 Tetrapterys Mexicana, Hook. & Arn., 



402. 

 Thayer, Joseph Henry, election of, 



506. 

 Thelypodium stenopetalum, 468. 

 Thespesia populnea, Correa, 303. 

 Thevetia cuneifolia, A. DC, 434. 

 Thunder-storms in New England in 

 the summer of 1885, 14. 



chart of storm, June 29th, 24. 

 July 3d, 26. 

 July_ 29th, 30. 



collection of material, 14. 



control of storms by the larger 

 cyclonic circulation, 56. 



daily maximum temperatures, 

 16. 



direction of motion, 57. 



