1923] Index 229 
Juncaceae, 7. 
Juncaginaceae, 6. 
Juneus alpinus, var insignis, 7; 
baltieus, var. littoralis, 7, 208, 
forma dissitiflorus, 208; fili- 
formis, 7; Gerardi, 107; pelo- 
carpus, 209; trifidus, 7. 
Jungermannia cordifolia, 98, 194; 
deflexa, 78, 79; denudata, 89, 90; 
flaccida, 78; lanceolata, 194; 
nemorosa, 95; pumila, 194; sphae- 
rocarpa, 194; triangularis, 78, 
79, 81; tricrenata, 76, 78, 79, 81. 
Jungermanniales, 192. 
Juniperus, 164; communis, var. 
montana, 6; virginiana, 165. 
Kalmia angustifolia, 10; polifolia, 
10. 
Kidder, N. T., Further Notes on the 
Plants of Isle au Haut, 147; 
Isle au Haut Plants, 16. 
Kneiffia, 47; perennis, 47. 
Knotweed, Japanese, 172. 
Knowlton, C. H., Butomus umbel- 
latus on the St. Lawrence River, 
220; Reports on the Flora of 
the Boston District. —X XXVIII. 
25, XXXIX. 37, XL. 60, XLI. 
185. 
Labiatae, 11, 37. 
Labrador, Plants of The Hamilton 
Inlet and Lake Melville Region, 4. 
Lachenalia, 157. 
Lactuca spicata, 12. 
Lake Melville Region, Labrador, 
Plants of The Hamilton Inlet 
and, 4. 
Lamium, 38; album, 38; amplexi- 
caule, 38; hybridum, 38; macu- 
latum, 38. 
Lappula, 30; echinata, 30; vir- 
giniana, 30. 
Lathyrus maritimus, 9. 
Lechea intermedia, 212. 
Ledum groenlandicum, 10; palustre, 
10, var. decumbens, 114. 
Leguminosae, 9, 25. 
Lejeunea, 75; cavifolia, 97, 197; 
patens, 97, 197, 198. 
Lejeuneaceae, 197. 
Lentibulariaceae, 11, 185. 
Leontodon autumnalis, 11. 
Leonurus, 38; Cardiaca, 38. 
Lepachys columnaris, 68, in eastern 
Massachusetts, 68. 
Lepidozia reptans, 196; setacea, 
196; sylvatica, 196. 
Leucanthemum, 16; vulgare, 16. 
Leucolejeunea clypeata, 197; unci- 
loba, 197. 
Liliaceae, 7, 157. 
Lily, Day, 175, of the Valley, 174. 
Limonium, 55; angustatum, 55-57; 
californicum, 56, 58, 60; carolinia- 
num, 55-59, var. angustatum, 
56-59; Endlichianum, 59; limba- 
tum, 59, 60; mexicanum, 56, 57, 
59; Nashii, 55, 57-59, tricho- 
gonum, 60, var. trichogonum, 
58; Notes on the North American 
Species of, 55; obtusilobum, 60; 
trichogonum, 55, 58. 
Limosella, 64; aquatica, var. tenui- 
folia, 64; subulata, 64. 
Linaria, 64; canadensis, 64; cym- 
balaria, 64; Elatine, 64; genistae- 
folia, 64; minor, 64; repens, 64; 
supina, 64; vulgaris, 64. 
Linnaea borealis, var. americana, 
11. 
Liparis Loeselii, 45. 
Listera australis, 47; cordata, 8. 
Lithospermum, 30; arvense, 30; 
latifolium, 30. 
Locust, Black, 173. 
Long, B., Naturalized Occurrence 
of Prunus Padus in America, 169. 
Long s Peak, Salix serissima on, 67. 
Lonicera glaucescens, 213. 
Lophocolea alata, 194, 198; biden- 
tata, 194; heterophylla, 194; 
minor, 194. 
Lophozia alpestris, 194; attenuata, 
194; badensis, 194; barbata, 194; 
bicrenata, 194; confertifolia, 194; 
excisa, 194; Floerkii, 194; gran- 
diretis, 194, 198; Hatcheri, 194; 
heterocolpa, 82, 194; incisa, 194; 
inflata, 194; Kaurini, 194; Kun- 
zeana, 194; longidens, 195; longi- 
flora, 195; lycopodioides, 195; 
marchica, 195; Mildeana, 98, 
195; Muelleri, 82; obtusa, 195; 
porphyroleuca, 195; quinqueden- 
tata, 195; ventricosa, 195. 
Lophoziaceae, 194, 195. 
Lownes, A. E., Habenaria hyper- 
borea in Rhode Island, 44. 
Lunularia eruciata, 193. 
Luzula campestris, var. acadiensis, 
16; confusa, 112; spicata, 7. 
Lychnis apetala, 112. 
