INDEX. 



5G< 



Lobeliaceae, 393. 



Lobelia fcaestralis, Cav., 433. 



gracilens, Gray, 393, 433. 



gruina, Cav., 433. 



splendens, Willd., 433. 

 Loeselia cperulea, Don, 434. 



ciliata, Linn., 434. 



coccinea, Don, 434. 

 Logical machine, a new, 303. 



description, 303. 



explanation of Fig. L, 303. 



of Fig. 11., 304. 



Problem T., 306. 



Problem IL, 307. 

 Lopezia cornuta, 429. 



gracilis, 429. 

 Loranthus Palmeri, 438. 

 Lupinus Chihuahuensis, 423. 

 Lycurus phleoides, Kunth, 443. 

 Lyonothamnus, Gi'ay, 410. 



asplenifolius, Greene, 411. 



floribiuidus. Gray, 410. 



M. 



Machaonia, Ilumb. & Bonpl., 380. 

 fasciculata. Gray, 380. 

 Priuglei, 380. 

 Machine, a new logical, 303. 

 Magnetic stress, on the influence 

 of, upon the capacity of an 

 electric condenser, 193. 

 description of apparatus, and 



its disposition, 193-195. 

 tables, 196-200. 

 Malvastrum jacens, 417. 



tricuspidatum, Gray, var. bi- 

 cuspidatum, 417. 

 Manganese, arsenoso-molybdate of, 



8L 

 Manicaria Plukenetii, Griseb. & 

 Wendl. V, 46.3. 



Manihot • ?, 440. 



Marcgravia rectiflora, var. Goudo- 

 tiana, Triana& Planch., 460. 

 Martynia fragrans, Lindl., 43.'). 

 Melampodium longicornu. Gray, 



387, 432. 

 Melia Azedarach, Linn., 462. 

 Alentha Canadensis, Linn., 435 

 Mentzelia aspera, Linn., 429. 

 Metastelnia, R. Hr., 396. 



angustifolium, Turcz., 396. 

 Arizonicum, (iray, 379. 

 Bahamense, Griseb., 396. 



Metastelma barbigerum, Scheele, 

 398. 



Blodgettii, Gray, 398. 



Californicum, Benth., 397. 



Chiapense, 397. 



Palmeri, Watson, 396. 



parvitlorum, R. Br., 397. 



Pringlei, 396, 397. 



Schaifneri, 396. 



Schlechtendalii, Decaisne, 398. 

 Meteorites, iron, on the crystalline 

 structure of, 478. 



cubic and octahedral, 479. 



Agram. 478. 



Ashville, 478. 



Babb's Mill, 480, 493. 



Bemdego, 478. 



Butler. 484, 486, 488, 490. 



Campbell County, Tenn., 498. 



Carthage, 481. 



Coahuila, 486, 488, 490. 



Cocke County, 483. 



Cosby Creek, 490, 493. 



Cranberry Plains, 495. 



Ue Kalb County, 482, 490. 



Dickson County, 490. 



Franklin County, 480. 



Glorietta, 490, 494. 



Hauptmannsdorf, 479, 486, 487, 

 488, 490, 492. 



Hominy Creek, N. C, 498. 



Jewell Hill, 490. 



La Caille, 480, 488. 



Lebanon County, Penu., 491. 



Nelson County, 480. 



Obernkirchen, 490. 



Oldenburg, 490. 



Oldham County. 490. 



Ovifack, Greenland, 479. 



Putnam County, 483. 



Pted River, 490. 



Robertson County, 489, 490. 



Santa Catarina, 479. 



Sevier County, 483. 



Tarapaco Hemalga, Chili, 498. 



Tazewell, 483, 488, 490. 



Walker County, 490. 



Wichita County, 490. 

 ]\rica, Chandler's Hollow, Del., 495. 

 INIilleria quinquoflora, Linn., 432. 

 Mimo.'^a laxiflora. Benth. V, 427. 



Pringlei, 4.'v2. 



prolitica, 452. 

 Mimulus glubratus, HBK., var. 



Jamesii, (iray, 435. 

 Mirabilis Bigelovii, 413. 



