INDEX. 



571 



Eanuncufus Ilookeri, Kegel, 369. 



hydrocharoides, Gray, 367. 



hyperboreus, Rottb., 366. 



hystriculus, Gray, 365. 



Lapponicus, L , 367. 



Lemraoni, Gray, 368. 



I^obbia, Hiern, 364. 



Macauleyi, Gray, 368. 



macranthus, Scheele, 377. 



multifidas, Piirsh, 366. 

 var. teri'estris, 366. 



muricatus, L., 378. 



natans, C. A. Meyer, 366. 



nivalis, L., 369. 



Nuttallii, Gray, 366. 



oblongifolius, Ell., 367. 



occidentalis, Nutt., 372. 

 var. Eiseni, 373. 

 var. Lyalli, 373. 

 var. Rattani, 373. 

 var. robustus, 373. 

 var. tenellus, 373. 



orthorhynchus, Hook., 377. 

 var. platyphyllus, 377. 



oxynotus. Gray, 369. 



Pallasii, Schlecht., 366. 



I xrviflorus, L., 378. 



parvulus, L., 378. 



Pennsylvauicus, L., 375. 



pusillus, Poir, 367. 

 var. Lindheimeri, 367. 



pygmpeus, Wahl., 369. 



recurvatus, 372. 



repens, L., 376. 



rhomboideus, Raf., 371. 



sceleratus, L., 372. 



septentrionalis, Poir, 376. 



Shaftoanus, 366. 



Suksdorfii, 371. 



trachyspermus, Engelm., 367. 



triteruatus, 370. 

 Refraction, atmospheric, 268, 286. 

 Rhodochorton Rotliii, Naeg., 475. 

 Rhodomela lycopodioides, J. G. 

 Ag., var. tenuissima, Kjell., 

 470. 

 Rhodophyllis veprecula, J. G. Ag., 



473. 

 Rhodymenia palrnata, Grev., 473. 

 Rhynclio.spora Kunthii, Nees, 442. 

 Richardson, H. II., 515. 

 Robinson, Ezokiel Gilman, 505. 

 Ropes, John Codman, 505. 

 Rourea glabra, HBK., 463. 

 Rubiaceaj, 379. 

 Russellia sarraentosa, Jacq., 434. 



s. 



Salvia albiflora, Mart. &Gal.?, 408, 

 435. 



coccinea, Jacq., 435. 



elegans, vahl., 435. 



hyptoides, Mart. & Gal., 435. 



Lycioides, 408. 



microphylla, HBK., 407. 

 var. canescens, Gray, 407. 

 var. Wislizeni, Gray, 408, 

 435. 



Palmeri, Gray, 408, 435. 



privoides, Benth., 435. 



scordoniBefolia, Poir, 435. 



tilifefolia, Vahl., 407, 435. 

 Sapindus Saponaria, Linn. ?, 423. 

 Sauvagesia erecta, Linn., 458. 

 Scale, isotonic, the, 499, 500, 501. 

 Schkuhria Wislizeni, Gray, 391, 



433. 

 Schreibersite, 493, 495. 

 Scrophulariacese, 402. 

 Sebastiania (?), 440. 

 Sedgwick, William Thompson, 511. 

 Sedum ?, 428. 



filiferum, 428. 



vinicolor, 428. 

 Selaginella cuspidata, Spring, 445- 



rupestris. Spring, 445. 

 Senecio Hartwegi, Benth., 393, 433. 

 Sertum Chihuahueuse, 378. 

 Setaria latigluniis, Vasey, 442. 



pauciseta, Vasey. 442. 



setosa, Beauv. , 442. 

 Seymeria bipinuatisecta, Seem., 

 435. 



virgata, Benth., 403. 

 Shepard, Charles Upham, 517. 



biographical notice of, 535. 

 Sibley, John Langdon, 517. 



biographical notice of, 537. 

 Sidalcea, 409. 



calycosa, 410. 



diploscypha. Gray, 410. 



Ilartwegi, Gray, 409. 



hirsuta, Gray, 410. 

 Sida rhombifolia, Linn., 460. 

 Siebold, Carl Theodor Einst von, 

 biographical notice of, 548. 

 Silene Ilallii, 416. 

 Sisymbrium incisum, Engelm., 415. 

 Sodic arsenoso-tungstatos, 80. 



/3-y-dibrom])yromiicato, 170. 



/3S-dibronipyromucate. 163. 



^-nionobrorapyromucate, 1 50. 



