Plantain cultivation in British 
Guiana, LSl>f>, 10.236. 
— meal, 1894, 304. 
Planting bog land, 11)03. 22. 
— in.Perak, 1891, 220. 
PIasniO(|inph„|- : , I',!-,,-.- 
fig.), 1895, 129. 
— oalit'ornica. 1893. 228. 
— vitis, 1893. 228. 
:« is ra'fa, i2o//«, 1898, 192. 
Platykeleba. A". K. "/;,■..,»/■//. u> n. 
Platylepis australis, Rolfe, 1906, 
— densiflora, Rolfe, 1906, 378. 
Playfair, (4. M. II., fungi from 
China, 1898, 113. 
Plectranthus alboeoeruleus. A". 
E. Brown, 1901, 130. 
— betonicaefolius, Baker, ixi>5. 
— densns, A 7 , #. Brown, 1894, 
12. 
— esculentus, A 7 . E. Brown, 
Pleurothallia 
1893, 169. 
— rhombipei 
— Scapha, 1< S 
Pluchoa laxa. 
— mollis, B<l 
Plmn.-thisik 
liilucarptis 
1896, 39. 
- el'ingarns. 
— floril 
E. Br 
, var. longipes, A . &. 
Brown, L894,13. 
— madagascarionsi-s, 1.S92. 313 : 
1894, 13. 
— modest uti. Bulwr, 1X95. 72. 
— (Isodon) prinmlinus. Bah-r. 
1895, 292. 
— selukwensis, N. E. Brown, 
1906, 167. 
— Sieberi, 1894, 14. 
— subacaulis. Jink,-,: 181»."». 73. 
— ternatus, 1894: 14. 
I'leetronia Gilfillani, A r . #. 
Brown. 1906, 105. 
Pleiocarpa bicarpellata. /SVop/, 
K^\ 
21. 
Pleione yum 
Pleurotliallis 
— maculata, Rolfe, '. 
— parva, i?oZ/£, 189; 
— pergracilis, Rolfe. 
— pernambucensis. 
:ioi. 
— Thunbergii. 1895, 3. 
Podochilus longical carat us. 
Rolfe. 1894. 186. 
Podophyllum ..liff.-niH'. lh-m*l. 
etE.H. Wils.. 1906. 152. 
— Yeitchii. Hand, el E. II . 
Wils., 1906, 152. 
Podotheca chrvsantha. 1X98. 
336. 
Pogostemon Patchouli. var. 
Poison Ivy. 1903, 1~>. 
— sumach, 1903, 15. 
Polyalthia Schefferi, Stop/ 
1892, 195. 
Polvcardia centralis, Baker, 
1894, 354. 
Polycycnis Lehmanni, Rolfe. 
Polygala apopeta] 
