564 



INDEX. 



Dixwell, George Basil, biographical 



notice of, 523. 

 Dodonaea viscosa, Linn., 423. 

 Doliocarpus pubens, Mart., 457. 

 Dryraaria cordata, Willd., 459. 



tenella, Gray, 417. 

 Du Bois-Reymond, Emil Heinrich, 



513. 

 Dynamic action, the, of an electric 



current, 348. 

 Dysodia porophylla, Cav., 433. 



E. 



Echeandia brevifolia, 441. 

 Echinospermum brachycentrum, 

 Ledeb., var. brachystylum, 

 413. 

 Ectocarpus litoralis, Harv., 477. 

 Edwards, Henri Milne, 509, 517. 



biographical notice of, 547. 

 Electric condenser, on the influ- 

 ence of magnetic stress upon 

 the capacity of an, 193. 

 Electric current, the dynamic ac- 

 tion of an, 348. 

 Electricity, atmospheric, at high 

 altitudes, 129. 

 apparatus, 129. 

 deflections, character of the, 



133. 

 experiments, purpose of the, 



134. 

 observations, description of, 

 130-133. 

 Eleusine /Egyptiaca, Pers., 443. 



Indica, Gaertn., 443. 

 Elionurus candidus, Haeckel, 443. 

 Elvira biflora, Cass., 432. 

 Elytraria tridentata, Vahl.,435. 

 Encelia exaristata. Gray, 432 

 Epicampes macroura, Benth. ? , 

 443. 

 rigens, Benth. ? , 443. 

 Eragrostis Purshii, Schrad. ? , 444. 

 Erigeron inoptatus. Gray, 387, 432. 



Neo-Mexicanus, Gray, 432. 

 Eriochloa aristata, Vasey, 442. 



Lemmoni, Vasey & Scribner, 

 442. 

 Eriodendron acuminatum, 418. 

 Eriogonum atrorubens, Engelm., 

 438. 



EriogonTun Jone.sii, 454. 



brdii, 468. 



polycladon, Benth., 438. 

 Erodium cicutarium, Linn., 421. 

 EryngiLim discolor, Watson, 430. 



Wrightii, Gray, 430. 

 Erythrina coralloides, DC , 425. 

 Ethyl ^y-dibrompyromucate, 171. 



/3S-dibrompyromucate, 163. 



/3-monobrompyromucate, 151. 



8-monobrompyromucate, 142. 



tribrompyromucate, 179. 

 Ethyl pyromucate with one mole- 

 cule of bromine, 153. 

 Eupatorium areolare, DC, 384. 



brevisetum, DC, 384. 



collinum, DC, 431. 



filicaule, Schultz Bip., 384. 



grandideutatum, DC, 384, 431. 



Guadalupense, Spreng., 431. 



microcephalum, 384. 



occidentale, Hook., var. Ari- 

 zonicum, Gray, 431. 



Palmeri, Gray, 383, 431. 



Schaffneri, Schultz Bip., 431. 



strictum. Gray, 384, 431. 



venulosum. Gray, 384, 431. 

 Euphorbia adenoptera, Bertol., 438. 



cuphosperma, Boiss. , 438. 



dioscoreoides, Boiss., 438. 



graciUima, 438. 



heterophylla, Linn., 438. 



lineata, 455. 



pilulifera, Linn., 438. 



plicata, 438. 



scabrella, Boiss., 438. 



subreniforme, 439. 



thymifolia, Burm. ? , 438. 

 Euranunculus, 366 

 Euthora cristata, J. G. Ag , 473. 

 Evolvulus alsinoides, Linn., 434. 

 Eysenhardtia orthocarpa, Watson, 

 423. 



spinosa, Engelm., 448. 



F. 



Fellows, Associate, elected : — 



George Washington CuUum, 

 509. 



Edward Singleton Holden, 509. 



George Shattuck Morison, 509. 



Ezekiel Gilman Robinson, 505. 

 Fellows, Associate, List of, 554. 



