288 
Prantl 98 
Precipitation, see N. Y. Botanical 
len 
Price, Mr. William 172, 173 
Price, Mrs. Sloat 172 
ea: actus ae 203 
Paineoce.. evening 266 
Primula 252 
ringle, 
in; Mr. 28 
Prionosciadium elie earg 6 
Pritchardia Thur. 
mus Serolina 
Pseudotsuga 102 
eee of the staff, scholars, and 
lents of the New Yor: as tan. 
GIO 
29 
Publications, see N. Y. Botanical 
Puff-ballt 6 
plieaaoaid common 6 
Pyronema 273 
Quercus 239, 2 
iomentctlo Osa 
ainfall, see N. Y. Botanical Garden 
amaley 253 
amirez, Dr. José 1, 11 
E 
and, E. E. 139 
ankin, 13 
aspberry, bl: 
106 
Ravenala madegascriensis ig, 222 
tea, P. M. 
Mexico, Report on 
27 
Red mangrove noe 70, 72 
Rendle, Dr. 218 
Rennert, R. J. 139 
mace of a trip to southeastern Uta 
the summer of 1911 (figs. 33-. ey 
23 
ona biget to the Royal Garde 
Kew, England, and to th e British 
Moun of Nai 215 
on recent collections in Mexico 27 
spans) Y. Botanical Garden 
Rhamnu. 239 
Rhexia secre 57 
Rhiz eve a 68, 
72 
ingle 62, 63, 70, 
Rhododendron arn) The Nee ey 157 
Rhododendron wore! 
maximum pt I 3 
punctatum 157 
Rhododendrons 157, 158 
26. 
Rhus 239, 2 
Ribes Pringi 
Robin, Ves 
Robinia Pseudacacta 51 
Robinson, Dr. C. 87, 139 
Robinson, Miss W. J. 139; 177 
Robinson, Mrs. H. O. 
Romell, Mr. Lars 45, 46 
neya Coultert 176 
se, A, 14 
Rose bushes 
243 
. J. N. 9, 57, 163, 216, 267 
Exploration in aia California 
(figs. 43-47) 2 
Exploration in ie sout! srg taker 
s and west coast of Mexi 
233 
Rosenheim 5, 
aie tea 208 
oyal Gardens, Kew, England, and to 
the aes? Museum of Natural 
History, Report on a visit to the 
alm 172 
water lily 
Roystonea horaiaie 223, 224 
set pes 224 
Rubber ae s, Mexi: 
from Au guayule cine Manu- 
cf 96 
ae Seine ele 13 
arviflorus 2. 
eae es H. H. 162, 209, 
ort — recent ies in 
Mexico 
Some use plants of Mexico (figs. 
1-6, 
e uses vs of ee ria 195 
Russell, Mr. Paul 2 
Rusoule 177 
adusta 
Rusts, aarp 
Ry ed Dr. P. A. ar 09 
ort ofp a trip a Bias aerate 
vita in the ey of I9r 
(figs. 33-42) 2. : 
Sabal 93 
Ata 
RY 
Saccharu: _ eee 
eentelo 238, iAbs ie es 
Sage, - 140 
St. Jona’ 's-wort or 
Salix 
