INDEX. 



391 



/3y-Dibrom-S-sulphopyromucate, 



ai'gentic, 203. 



baric, 201. 



plumbic, 202. 



potassic, 203. 

 ^y-Dibroin-S-sulphopyromucic acid, 

 201. 



action of bromine, 201. 

 of nitric acid, 205. 

 aa-Dibromfurfuran-/3-sulphonate, 



baric, 210. 



potassic, 211. 

 /38-Dibrompyromucic acid, action of 

 fuming sulphuric acid upon, 

 218. 

 Didimethylamine silicotetrafluoride, 

 31. 



properties, 31. 

 Dipyridine silicotetrafluoride, 122. 

 Disilicotetrafluoride, trianiliue, 21. 



trichinoline, 30. 



tridimetbylamine, 32. 



tridimethylaniline, 30. 



tridiphenylamine, 28. 



trimonochloraniline, 28. 



trinitrosodimethylaniline, 122. 



triorthotoluidine, 27. 



triparatoluidine, 27. 



tripyridine, 123. 

 Draba, revision of the North Ameri- 

 can species of, 249. 

 Draba alpina, Linn., 257. 



asprella, Greene, 257. 



aurea, Vahl, 259. 



var. stylosa, Gray, 259. 



aureola, Watson, 259. 



borealis, DC, 260. 



brachyca-rpa, Nutt., 256. 



Breweri, 260. 



Caroliniana, Walt., 256. 



var. micrantha, Gray, 256. 



chrysantha, Watson, 259. 



corrugata, Watson, 259. 



crassifolia, Graham, 257. 



cuneifolia, Nutt., 256. 



var. integrifolia, 256. 



var. platycarpa, 256. 



eurycarpa, Gray, 258. 



Fladnizensis, Wulf, 258. 



var. corymbosa, 25S. 



glacialis, Adams, 260. 



var. pectinata, 260. 



hirta, Linn., 260. 



var. arctica, 260. 



Howellii, Watson, 257. 



hyperborea, Desv., 259. 



Draba incana, Linn., 259. 



var. arabisans, 260. 



Lemmoni, Watson, 258. 



Mogollonica, Greene, 256. 



montana, Watson, 257. 



nemorosa, Linn., 257. 



nivalis, Liljeblad, 258. 



var. eloiigata, 258. 



ramosissima, Desv., 260. 



Sonorae, Greene, 256. 



stenoloba, Ledeb., 257. 



streptocarpa, Gray, 259. 



subsessilis, 255, 258. 



unilateralis, Jones, 256. 



ventosa, Gray, 258. 



verna, Linn., 255. 

 Drabaea, Lindl., 257. 

 Drabella, DC., 256. 



E. 



Eichler, August Wilhelm, notice of, 



355. 

 Election of officers, 308. 

 Elliott, E. B., death of, 315. 

 Epilobium Madrense, 274. 

 Eriocaulon Pringlei, 283. 

 Eriogonum citharpeforrue, 266. 



pendulum, 265. 

 Erophila, Lindbl., 255. 

 Eryngium Madrense, 274. 

 Eulophus tenuifolius, 276. 



ternatus, 276. 



Fellows deceased, — 



Charles S. Bradley, 315. 



Alvan Clark, 309, 315. 



John Dean, 315. 



Asa Gray, 311, 315. 



Laurens P. Hickock, 315. 



Mark Hopkins, 309, 315. 



Charles E. Ware, 309, 315. 

 Fellows elected, — 



Winfield Scott Chaplin, 308. 



Eliot Channing Clarke, 308. 



Abbott Lawrence Rotch, 311, 

 380. 



George Fillmore Swain, 311, 

 380. 



Elihu Thomson, 311, 380. 



Crawford Howell Toy, 312, 380. 

 Fellows, List of. 381. 



