INDEX. 



793 



Iria capillaris (LrNN.) 103 



Iridaceae 160 



L-idiwn Heer 161 



Iris Linn 160 



Iris hexagona Walt 161 



Iris versicolor Linn 161 



Iris virginica PuRsn 161 



Isanthus Michx 456 



brachiatus (Linn.) 456 



Isanthus caeruleus Michx 456 



Ischaemon Schmied 142 



Isidrogalva R. and P 143 



Isnarclia Linn 375 



jjalustris, LiNN 375 



Isnardia palustris var. ameri- 



cana DC 375 



Isnardia polycarpa (Short and 



Peter) 375 



Isolepis R. Br 97 



acicularis Schlecht. . . 100 



capillaris R. and S 103 



lineata R. and S 96 



micrantha Vahl 90 



Isolobus A. DC 497 



Isolobus Spach 338 



Isonema Cass 499 



Isopappus T. and G 514 



Isopyrum Linn 231 



— -biternatum (Raf. ) 231 



Isopyrum thalictroides Spach 231 



Isopyrum trifoliinn i'Li'SN.) 231 



Isotria Raf 169 



Itinera Gmel 40 



Iva Baill 533 



monophylla Walt 534 



xanthiifolia NuTT 533 



Ivesia Torr 293 



Ixeris Cass 560 



Ixodia Sol AND 226 



J 



Jacksonia Raf 270 



dodecandra (Michx. ) 270 



Jacksonia trifoliata Raf 270 



Jacoebaea Thunb 553 



JalapaMoENCH 216 



Janthe Salisb 159 



Jarava R. and P 57 



Jasmintae Endl 415 



Jocaste Kunth 152 



•Joachimea Ten 72 



Juchia Neck 497 



tTiifflaudaceae 176 



Juylandipliyllum Font 176 



Juiflans Linn 176 



Juglans alba Miciix 178 



alba minima Marsh 178 



amara Michx 178 



angustifoiia Lam 178 



cathartica Miciix 177 



Juglans cinerea LiNN 177 



Juglans compressa Gaertn.. . 178 



Juglans nigra Linn 177 



Juglans nigra oblonga Marsh. 177 



Juglans oblonga Mill 177 



ovata Mill 178 



squamosa Lam 178 



Julus Salisb 147 



Juncaceae 138 



Juncagineae 41 



Juncagineae ( Iribus) 33 



Juncago TouRN 41 



palustris Moench 41 



Juncastrum Heist 142 



Juncodes Adans 142 



Juncus Linn 138 



Juncus acuminatus Auct. Asi, 141 



acuminatus Michx 142 



Juncus acuminatus var. legitimus 



Engelm 142 



Juncus aemulans LiEB 140 



arcticus Lap 140 



aristatus Link 139 



Juncus balticus vav.littoralis En- 

 gelm 140 



Juncus bicornis Michx 139 



bogotensis HBK 140 



campestris var G. Linn. 140 



Juncus canadensis J. Gay, var. 



coarctatus Engelm 141 



canadensis var. longecaud- 



atus Engelm 142 



Juncus chloroticus Schultes. 139 



communis var. effusus E. 



Mey 140 



compressus x effusus OK 139 



conglomeratus Linn 140 



debilis Gray 142 



Juncus effusus Linn 140 



Juncus erectus Pers 143 



Juncus jiliformis Lii'S'Si 140 



Juncus fraternus Kunth 142 



germanorum Steud 139 



gesueri Sm 139 



gracilis Sm 139 



intermedius Thuill — 143 



laevis var eflfususWALLii. 140 



lucidus Hochst 139 



macer S. F. Gray 1 39 



megacephalus Wood 141 



multillorus Ehrh 143 



nemorosus Host 143 



nodosusAucT 141 



Juncus nodosus var. yenuinus 



Engelm. 141 



nodosus var. megacephalus 



Torr 141 



Juncus pallescens E. Mey 142 



p aradoxus Auct. 



Amer 141, 142 



paradoxus E. Mey 142 



parvillorusPoiR 139 



polycephalus var. para- 

 doxus Torr 142 



pondiiWooD 142 



rost)covii E. Mey 141 



smlthii Kunth 139 



Juncus tenuis Willd 139 



