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Hydnora americana R. Br 241 



Hydrocotyle bonariensis Lam 129 



Hytli'ophyllaceae 180 



Hymenaiiche montana Gr 291 



Hymenomycetes , 335 



Hymenoxys anthemoides Cass 158 



Hypericineae 36 



Hypeiicum connatum Lam , 36 



Hyptis can'^scens Kth 216 



— fasciculata Benth 216 



— giobifera Mey 216 



— polystachya Kth 216 



— spicata Poit 216 



— verticillata Jacq 216 



I. 



Ilex paraguayensis St. Hil 61 



— theezans Mart 61 



Ilicineae 61 



lUecebraceae ' 225 



Imperata caudata Tr 315 



— condensata Steud 315 



Indigofera Añil L 17, 75 



— — var. angustifolia Gr 75 



— tinctoria L 75 



Inga affinis D. C 98 



— parvifolia Hook, Arn 97 



— uruguensis Hook. Arn 98 



Ipnura mendocinmii Phil 304 



Ipomoea acuminata Roem. Schlt 183 



— digitata var. platensis Lindl 182 



— — — septemfida Msn 182 



— hederifolia L 183 



— megapotamica Chssy 1^2 



— — var. pauciflora Msn 182 



— nitida Gr 182 



— operculata Mart. Sp 183 



— purpvn'ea Lam 183 



— Schiedana Zuce 182 



— sericophvlla Gr 182 



— triloba L 182 



Irideae ^^3 



