INDEX. 



789 



Gymnadenia tridentataLiNDL. 169 



GymnalyphaGiiis 341 



Gymnanthelia Anders 47 



Gymnanthemum Cass 499 



Gymnocaulis Nutt 475 



Gymnodaclus Lainf 309 



Gymnocladus canadensis Lam. 310 



Gymnodaclus dioiciis (Linn.) . . . 310 



Gymnoleima Decn 437 



Gymnosciadiura Hochst 394 



Gymnospermium Spacii 250 



Gymnosporia W. and A 348 



Gymnoslichum Schreb 89 



hystrix Schreb 89 



Gynandriris Paklat 160 



Gynoxys DC 554 



Gynura Cass 554 



Gyptis Cass 501 



Gyromia Nutt 155 



virginica Nutt 155 



Gyrostadiys Pers 170 



cernua (Linn.) 170 



gracilis (BiGEr>. ) 170 



romanzowiana (Cham.).. 171 



H 



Eabenaria WiIjZ.t> 165 



bradeata ( Willd. ) 1 68 



dilatata (Pursh) 167 



Ilabenaria flmbriata R. Br 166 



flssa ToRR 166 



Habenaria flava (Linn. ) 168 



Habenaria fuscescens Torr. . . 168 



grandiflora Torr 166 



herbiolaR. Br 168 



Habenaria hookeriana Torr 167 



hyperborea R. Br 167 



Habenaria incisa Torr 166 



Habenaria lacera (Michx.). . . . 166 



leucophaea (Nutt. ) 166 



Habenaria orbiculata Goldie. 167 



psycocles (Linn.) 166 



Habenaria psycodes Torr 166 



racemosa Raf 166 



spectabilis Spreno 165 



Habenaria tridentata (Wii^ld.). 168 



Habenaria virescens Sfreng.. 168 



viridis var. bracteata 



Reich 168 



HaenkeaR. andP 348 



HahniaMED 283 



Halimium Ditn 364 



Hallia Iiirta Poir 317 



juncea Poir 318 



Halmia RoE3i 287 



flabellata RoEM 288 



lobata RoEM 289 



tomentosa Roem 289 



tomentosa var. calpo- 



dendron Roem 289 



tomentosa var. leuco- 

 phaea Roem 289 



tomentosa var. pyrifolia 



Roem 289 



Halorageae B. and H 344 



Halorrhagidaceae 383 



Halorrhagidaceae Baill 375 



Haloschoenus Nbes 104 



Halothamnus J. and S 213 



Hamatrls Salisb 160 



Hamiltonia Spreng 20O 



sarmentosa Spreng 200 



umbellata Spreng 200 



HammatocaulisTAUScn 360 



Haplopapims Cass 514 



spinulosus (Pursh.) 514 



Haplostellis Endl 169 



Haplostemum Raf 96 



Haplostephium Don 567 



Haplosticha Philip 554 



Haplostylis Nees 104 



Harpachne Hochst 74 



Harpalium Cass 539 



rigidum Cass 542 



Harpalyce Don f 65 



Hartmannia Spach 380 



Haynaldia Kan 497 



Haynaldia Schur 85 



Hebe Juss 465 



Hebeclinium DC 501 



Hebelia Gmel 143 



Hecatonia DC 241 



Hectorea DC 507 



Hedeoma Pers 451 



Hedeoma hirta Nutt 451 



Hedeoma hispida PURSn. 451 



Hedera quinquefolia Linn 357 



Hederaceae Seem 385 



Hedraiantliera F. Mull 348 



Hedyotis ciliolata Torr 478 



longifolia Hook 478 



Hedysarum acuminatum 



Michx 321 



aikinii Eat 321 



canadense Linn 319 



canescens Linn 320 



f rutescens Linn 318 



f rutescens Willd 317 



glutinosum Willd 321 



grandiflorumWALT 321 



hirtum Linn 317 



junceum Walt 318 



lespedeza Poir 319 



marylandicum Willd . . 320 



nudiflorum Linn 321 



paniculatum Linn 320 



prostratum Muhl 319 



repens Linn 319 



reticulatum Muhl 318 



scaberriraum Ell .320 



scabrum Moench 319 



umbellatum Walt 317 



violaceum Linn 318 



viridiflorum Willd 320 



Heeria Meissn 345 



Heineckenia Webb 331 



Helanthium Englm 43 



Helcnium Linn 547 



Helenium altissimum Link. . . 547 



Helenium autumnale Linn 547 



