Polemonium boreale—Polypogon 
Polemonium boreale 471 
—  coeruleum 472. — II, 47, 54 
— — var. viscosum, 471 
— viscosum 471 
Polianthes tuberosa 154 
-Pollia 160 
Polyalthia 102, 248 
— sumatrana 248 
Polyaster 511 
Polyblastiopsis N. A. 10 
Polybotrya N. A. 33 
— appendiculata var. costulata 33. 
Polycarpaea 297: 
Polycarpicae 37 
Polycarpon 297 
Polycephalium. 397 
Polychroa 117 
— repens 117 
Polyenemum arvense II, 85 
—- Fontanesii 300 
— — subsp. maroccanum 360 
Polygala 101, 102, 12], 472 
amara 1lI, 129 
amarella 11, 117,13, 176 
calecarea Il, 169, 174 
chamaebuxus II, 168, 203 
comosum II, 13 
furcata 472 
senega 95 
triphylla 472 
Polygalaceae 102, 110, 472 
Polygonaceae 116, 472, 473, 474, 475, 
476 i 
Polygonatum 59, 116, 665 
multiflorum 59. — II, 25 
odoratum II, 13 
pliocenicum Depape* 571 
verticillatum 92, 206. — II, 44 
Polygoninae 37 
Polygonum 50, 66, 85, 86, 126, 473, 
474, 475, 670. — II, 24, 159 
acuminatum 472, 475 
albanicum Jav. II, 119 
alpinum 85 
— var. polymorphum 85 
amphibium II, 13, 158 
— f.natans 558 
— f. terrestre 558 
aviculare 474, 670, 693. — II, 88 
baldschuanicum Reg. 85 
Polygonum barbatum 476 
Bellardii 472 
bistorta 476 
Braunianum II, 159 
ı — eondensatum II, 159 
convolvulus 670. — II, 19, 68 
ke densiflorum 129 
foliosum II, 24 
glabrum, 129 
hybridum II, 159 
hydropiper 475 
hydropiper x nodosum 473. — II, 
159 
Kitaibelianum II, 161 
lapathifolium II, 19 
laxum II, 159 
- lentieulare II, 159 
littorale II, 192 
maritimum II, 192 
minus II, 24, 143 
minus X mite 473. — II, 159 
minus X persicaria 473. — 11, 159 
mite II, 68, 183 
mite X hydropiper 473. — II, 159 
mite X persicaria 473. — 11, 159 
nodosum X persicaria 473. — II, 
159 
patulum 472 
peregrinatoris 472 
persicaria 670 
polystachyum II, 94 
Iran ID il 
viviparum II, 87 
— Weyrichii 85 
Wilmsii II, 159 
Polylepis 499 
Polymeridium 7 
Polyosma 521 
— laetevirens 521 
Polypodiaceae 17 
Polypodium N. A. 33, 18. — II, 76 
californicum 26, 30 
— var. intermedium (Hook. et 
\fins)) ID, (Co Icon 20, au 
— var. Kaulfussii D. C. Eaton 26, 
27 
re ellipticum 33 
— phegopteris 20, 27. — II, 142, 165 
— vulgare 17, 22. — II, 194 
' Polypogon: 192 
