INDEX. 



669 



Pedicularis angustifolia, Benth., 



40i, 435. 

 Pellsea marginata, Baker, 444. 



Seemauni, Hook., 444. 



ternifolia, Link, 444. 

 Pentstemon cainpaiiulatus, Willd., 

 403, 431. 



coccineus, Engelm., var. filifo- 

 lius. Gray, 4U2, 434. 



fasciculatus, (iray, 403, 434. 

 Perezia paniciilata. Gray, 393, 433. 



platvphylla, (iray, 393, 433. 



Thurberi, Gray, 393, 433. 

 Perityle raicrocephala, Gray, 391, 



433. 

 Petal ostein on Reverchoni, 449. 



Sabinalis, 448. 

 Peucedaiiura Cous, 453. 



Cusickii, 453. 

 Phacelia circinata, Jacq., 434. 

 Phaeosporea;, 476. 



Phaseolus bilobatus, Engelm., 425. 

 Pherotrichis, Decaisne, 399. 



Balbisii, 400. 



Schaffiieri, 400. 

 Philibertia biloba, 395. 



elegans, Gray, 395. 



Ervendbergii, 395. 



Fendleri, 395. 



Palraeri, Gray, 394, 433. 

 Phloeospora tortilis, Aresch., 476. 

 Phospho-divanadate of ammonium, 



58. 

 Phospho-divanadates, 58. 

 Phospho-hypophospho-tmigstate, 



potassic, 97. 

 Phosplio-hvpophospho-tungstates, 



97. ' 

 Phospho-vanadate, ammonic, 53. 



argentic. 54. 



hydric, 56. 



potassic, 55. 

 Phospho-vanadates, 50. 



analytical methods, 51. 

 Phospho-vanadic acid, 56. 

 Phospho-vanadico- vanadate, am- 

 monic, 64. 



potassic, 62. 



of sodium, 62. 

 Phospho-vanadico-vanadates, 60. 



analytical methods, 61. 

 Phospho-vanadico-vanadates of am- 

 monium, 61. 

 Phosphoroso-molybdates, 89. 

 Phosphoroso - phospho- molybdate, 

 ammonic, 96. 



Phosphoroso - phospho - raolybdates, 



96. 

 Phosphoroso - phospho - tungstate, 



potassic, 95. 

 Phosphoroso - phospho - tungstates, 



95. 

 Phosphoroso -tungstate, ammonic, 

 86. 

 potassic, 87. 

 sodic, 88. 

 Phosphoroso-tungstates, 86. 

 Photographic dark room, colored 



media for the, 244. 

 Phyllophora interrupta, J. G. Ag., 



474. 

 Physalis tequata, Jacq., 434. 

 microphysa, 402. 

 nicandroides, Schlecht. ? , 434. 

 Pinus cembroides, Zucc, 441. 

 Chihuahuana, Engelm., 441. 

 Engelmanni, Carr, 441. 

 Piptotlirix, 383. 



Palmeri, Gray, 383, 431. 

 Pithecolobium dulce, Benth., 428. 

 Planet, trans-Neptunian, telescopic 



search for the, 228. 

 Plantago hirtella, HBK.,436. 



Patagonica, Jacq., 436. 

 Plants, chiefly from the Pacific 

 States and Chihuahua, de- 

 scriptions of new species of, 

 445. 

 Plants collected by Dr. Edward 

 l\dmer in Southwestern 

 Chihuahua, Mexico, in 1885, 

 list of, 414. 

 Plants collected in the Department 

 of Yzabal, Guatemala, Feb- 

 ruary to April, 1885, notes 

 upon, 456. 

 Plesssite, 479, 483, 490 

 Plumbago scandens, Linn., 433. 

 Plumeria Me.xicana, Eodd., 394, 



433. 

 Polarimetcr, a now form of, 294. 

 Table I., reduction table, 296- 



299. 

 Table IL, observations, 300. 

 used as a measure of the hazi- 

 ness of the air, 301. 

 Polarimeter, Arago, objection to 

 the, 294. 

 sensitiveness of the, 295. 

 Poleinoniace.TO, 401. 

 Polygala acicularis, 445. 



alba, Nutt., var. suspecta, 416. 



