INDEX OF GENERA AND SPECIES 759 
Hyalodaphnia, 411. I 
cucullata, 287, 406, 412, 413. 
Hyalosphenia cuneatcc, 325. 
elegans, 325. 
papilio, 325. 
Hyalotheca mucosa, 280, 282. 332. 
neglecta, 280. 
Rydra, 292, 319, 356, 372. 
fusca, 324. 
rubra, 324. 
viridis, 324. 
vulgaris, 324. 
Hydrachna glohosa, 313. 
Hydrocharis, 386. 
Hydrochorentes krameri, 313. 
ungulatiLS, 313. 
Hydrocotyle vulgaris, 172, 203, 208, 214, 
217, 243, 257, 327. 
Hydroporus septentrionalis, 334. 
Hygrobates longipalpis, 313. 
reticulatus, 313. 
Hylocomium squarrosum, 189. 
triquctrum, 246. 
Hyocomium flagellar e, 188. 
Hypericum elodes, 171, 193, 240, 242. 
humifusiim, 171, 234. 
Hypnum, 357, 386. 
commutatum, 188. 
cupressiforme, 189, 231, 241. 
cuspidatum, 189, 204, 329. 
falcatum, 188, 329. 
■fiuitans, 188, 329. 
ochraceiim, 189, 329. 
revolvens, 188. 
riparium, 188. 
scorpioides, 189, 214, 301, 329. 
scorpioides, var. miquelonense, 189, 207, 
301. 
stellatum, 188. 
stramineum, 189, 203, 255, 329. 
trifarium, 189, 203. 
uncinatum, 188, 204. 
vernicosum; 189. 
Iclithydium podura, 324. 
Uyocryptus acutifrons, 299, 315, 316. 
agilis, 316. 
sordidus, 316. 
Irene, 360. 
JWs pseud-acorus, 176, 193, 214, 217, 
253, 255, 328. 
/soe^es, 209. 
lacustris, 166, 167, 184, 195, 198, 199, 
201, 202, 203, 204, 207, 211, 215, 
223, 226, 229, 231, 238, 245. 329, 
357. 
Jasione ^nontana, 192. 
Juncus acutiflorus. 111, 178, 205, 228, 
231, 248, 258. 
alpinus, 225. 
articulatus, 111, 193, 203, 204, 214, 217, 
218, 228, 234, 328. 
bufonius, 177, 178, 193, 242, 251, 258, 
328. 
bufonius, vauv. fasciculatiis, 177. 
conglo7neratus, 177, 193, 217. 
JiMiCMS effusus, 177, 193, 203, 204, 207, 
210,' 214, 217, 228, 244, 245, 248, 
257, 328. 
fl.uitans, 167, 195, 198, 199, 201, 203, 
204, 207, 209, 211, 215, 222, 223, 257, 
258. 
glaucus, 177, 254, 255. 
lamprocarpus, 177, 228. 
squarrosus, 207. 
supinus, 177, 178, 193, 204, 218, 242, 
257, 258. 
supinus, var. fiuitans, 178. 
supinus, var. subverticillatus , 178. 
supinus, var. uliginosus, 178. 
Jungermannia, 190. 
Laccobius oninutus, 334. 
Laminaria, 357. 
Lathonura rectirostris, 316. 
Latona, 283. 
setifera, 299, 316. 
Lebertia porosa, 313. 
tau-insignita, 296, 305. 
Lecanora tartar ea, 190, 224. 
Lecidea geographica, 190, 218. 
Lecquereusia modesta, 325. 
spiralis, 325. 
Lemna minor, 179. 
trisulca, 179, 254. 
Lepidium heterophyllum, 192. 
Leptodora, 283, 285, 288, 311, 411. 
hyalina, 336. 
277, 285, 317. 
Leptorhyncus falcatus, 317. 
Lernaiocera, 368. 
Limncea, 289, 355, 369. 
ovata, 313. 
peregra, 292, 313. 
Limnosida frontosa, 400. 
Littorella, 209. 
lacustris, 175, 183, 195, 198, 199. 201, 
203, 204, 207, 211, 214, 217, 219, 222, 
223, 226, 228, 238, 239, 245, 249, 
252, 253, 254, 256, 257, 328. 
Lobelia, 209. 
dortmanna, 166, 167, 173, 195, 198, 
199, 201, 203, 204, 207, 211, 215, 217, 
222, 223, 226, 228, 238, 239, 245, 328. 
Lumbriculus, 318. 
Lycopus europams, 175. 
Lynceus affinis, 292, 317. 
guttatus, 317. 
intermedius, 317. 
rusticus, 317. 
Lyngbya, 389. 
Lysimachia neraorum, 175, 205. 
nummularia, 175, 259. 
vulgaris, 175, 205. 
Lythrum salicaria, 171, 215, 242, 243, 
327. 
Macrobiotus ambiguus, 296, 305, 314. 
annulatus, 314. 
dispar, 314. 
echinogcnitus, 314. 
hastatus^ 314. 
liufelandii, 314. 
