Impatiens Telekii—Jaequemontia mattogrossensis le 
Impatiens Telekii 257 
Inactis 579 
Incarvillea 262 
— Younghousbandii 262 
Indigofera 97, 102, 412 
Indigofereae 423 
Inferae 123 
Inga 121, 417, 418 
— miocenica 567 
Inobulbon munificum 224 
Intsia amboinensis 669 
Inular502 5121715 
—Zbhritannica 108. —- II, 37 
— erithmoides II, 154 
— ensifolia x germanica 331 
— ensifolia X germanica X salicina 
331 
— helenium 708. — II, 40 
—Zhirta, I, 48 
— hybrida 331 
— salicina II, 61, 62, 97 
— viscosa 324: 
Inuleae 325 
Iodes 397 
Ipomoea 333, 335, 710 
— corumbaensis 333 
— fistulosa 334, 698 
— Florentiana 333 
— Loefgrenii 333 
— Quamoclit Rochai 333 
— Rondoniae Hoehne var. brevirace- 
mosa Hoehne 333 
Iresine 246 
Iriartea 90 
Iriartites boliviensis 566 
Iridaceae 130, 199, 200, 201 
Iris 200, 679 
— Bloudowii Ledeb. 201 
— bohemica II, 202 
— flavissima 201 
— — f. oceidentalis 202 
— — f. orientalis 201 
— — subsp. stolonifera Ugr. 201 
— — subsp. transuralensis Ugr. 201 
— foetidissima II, 170 
—- germanica 652 
— graminea II, 189 
— japonica 201 
— manschurica Maxim. 201 
— nudicaulis II, 52 
Iris Potanini 201 
— pseudacorus II, 12, 49 
spuria II, 37 
ı — versicolor 200 
' — xiphium 200 
 Irvingia 531 
| — Barteri 531 
ı — gabonensis 530 
— Smithii 530 
ı Isanthera 392 
Isatis 343, 350 
| — djurdjurae 345 
— tinetoria 350. — II, 41, 57, 65, 66 
Ischaemum, 177 
— rugosum 177 
— Urvilleanum 191 
' Iseilema 177 
Isochilus erassıflorus 222 
Isoeteae 19 
IKoeteselde EN AE32 
| — Duriaei 24. — II, 2000 
— lacustris II, 12, 20, 149 
Isolepis setacea II, 91 
 Isolona 248 
 Isomeris 287 
, Isometrum Craib N. 6. 391 
 Isonema 252 
 Isoptera borneensis 359, 360 
Isopyrum 112, 487 
— fumarioides 485 
— zthahetroidess484, ZT 
Isostigma 327 
— glyeynaefolium 308 
| Isotheca N. 6. 97 
' Isotrema chrysops 254 
ı Isotria affinis (Austin) Rydb. 214 
— verticillata (Willd.) Raf. 214 
Itea 102 
Ixia 47 
— africana 47 
Ixonanthes icosandra 429 
Ixora pendula 504 
' Ixorhea Tscehudiana 264 
Jacobinia 241, 242 
Jacquemontia 333, 335 
— ceuyabana 333 
— gracilis 333 
— Loefgreni 333 
— mattogrossensis 333 
