INDEX. 



4:11 



fragrans, Presl 276 



(jroldieana, Presl 273 



intermedia, Presl 275 



marginalis, Presl 274 



montana, Moore 272 



Noveboracends, Presl 271 



Oreopieris, Presl 272 



rigida, Presl 274 



spinidosa, Presl 275 



var. dilaiaia, Lawson 275 



Thelypteris, Presl 272 



Lathyrus 318 



Nuttallii, Watk 318 



venosus. 318 



Ledum 339 



glandulosum, Nutt 339 



Leersia, Swartz 184 



ory zoides, Swartz 1 84 



Virginica, Willd 184 



Ldmanihium hybridum, Roeti) 51 



Nuttallii, Hook 53 



Lemna. Linn 74, 368 



minor, Linn 75 



minor, Linn 368 



polyrrhiza, Linn 75 



polyrrhiza, Linn 368 



trisulca, L 74 



LEMNACBiE (CXIII.) 74 



Leptunlhus gramineus, Mx 54 



Leptotsenia, Nutt 330 



dissecta, Nutt 330 



multifida, Nutt 330 



Lepturus panicuiaiits, Nutt 215 



Lesquerella, Watson 305 



arctica, Wat 306 



var. Purshii, Wat 306 



Donglasii, Wat 306 



Ludoviciana, Wat 305 



var. arenosa, Wat. 305 



Ligusticum 327 



Grayi, C. & R 327 



Lilasa, Humb. & Bonpl 81 



subulata, HBK 81 



LiLIACBAB (CVIII.) 26 



Lilium, Linn 38 



Canadeiise, Linn 38 



■var.parviflurum. Hook 39 



var. superbum, Elwes 39 



Carolinianum, Michx 39 



Columbianum, Hanson 39 



pardalinum, var. Burgeei, Baker 38 



panmm, Kell 39 



Philadelphicum, Linn 38 



Philadelphicum, var. /3. Hook. . 39 



pudicum, Pursh 40 



superbum,, Linn 39 



umbellatum, Pursh 38 



Limnanthes 314 



Donglasii 314 



Macounii, Trelease 314 



PAGE 



Limnetes cynosuroides, Mx 182 



juncea, Pers 182 



Limodorum tuberosum, Mx 10 



Limosella 347 



aquatica, Linn. var. tenuifolia, 



Hoffm 347 



Linum 314 



Lewisii, Pursh 314 



perenne, Linn 314 



var. Lewisii, Eat. and 



Wright 314 



Liparis, Rich 3 



Lceselli, Rich 3 



Listera, R. Br 6 



convallarioides. Nutt 7 



cordata, R. Br 6 



EschsclwUziana, Cham 7 



Lloydia, Salisb 42 



serotina, Reich 42 



Lolium, Linn 240 



perenne, Linn 240 



temulentum, Linn 240 



Lomaria, Willd 263 



spioant, Desv 2ii3 



Luina 335 



hypoleuca, Benth 335 



Lupinus 315 



aridus, Dongl 315 



micranthus, Dougl 315 



var. Wco^or, Wat 315 



var. microphyllus, Wat. . 315 



microcarpus, Sims 315 



Luzula, DC 65, 366 



arcuata, Hook 69 



campestris, Desv 68 



var. a. vulgaris, Hook 67 



var. fi. pallescens, Hook. . 67 



coraosa, Hook 67 



var. 7. comosa, E. Meyer. 68 



var. congesta, Wat 68 



var. congesta, Meyer 68 



var. maorantha, Wat 68 



var. subsessilis, Wat 68 



divaricata, Wat 66 



hyperborea, R. Br., var. a. 



major. Hook 68 



var. fi. minor, Hook.. .... 69 



melanocarpa, var. j3., Hook ... 65 

 parviflora, var. 'laelanocarpa, 



Gray 66 



pilosa, Willd 67 



pilosa, Willd 366 



spadicea, DC 3b6 



var. melanocarpa, E. 



Meyer 66 



var. parviflora, Meyer. 65, 366 



var. sub-congesta, Wat. . 66 



spadicea, . • 65 



spicata, Desv 86 



vernalis, DC 366 



