INDEX OF PLANTS. 
Mushroom, boot, 601. 
— cup, 387, 588. 
Mycena, 619—621, 
Mycenadewx, 617. 
Mycetoidew, 532. 
Myelomyci, 507, 
Mylius, 693, 694. 
Myriodactyle,4-301, 302 
Myriodactylon, +-301, - 
302, ia 
Myriophyllum, 331. 
Myrotheciadez, 569. 
Myrothecium, 569. 
N. 
Nardius, 694. 
Neckera,745,+-747,748, 
TAY, 758, 
Nemania, 516—519. 
Nemaspora, 527, 531, 
532, 
Nemasporidee, 531. 
Nematomycee, 547. 
Nephroma, 426, 427. 
Net, water, 300, 
Nidularia, 587. 
Nodularia, 288. 
Nostoc, 301, 349, +351, 
352. 
Nostoch, 351, 352. 
O. 
Oak, agaric of the, 638. 
— sea, 391. 
Octospora, 665, +666— 
670. 
Odonthalia, 364. 
Odontia, 649, +651. 
Oligotrichum, 719, 720. 
Olivia, 349, 350. . 
Olla, 587, 
Omphalia, 611—614. 
Onygena, 580. 
Onygenadee, 580. 
Opegrapha enea, 506. 
— astroidea, 479, 
— atra, 507. 
— betvlina, 503. 
— calcarea, 505. 
— cerasi, 502. 
— conglomerata, 503. 
— dendritica, 503. 
— denigrata, 507. 
— diaphora, 504, 
— dispersa, 506. 
— elegans, 503. 
— epipasta, 506, 507. 
Opegrapha epiphega, 
505. 
— faginea, 505. 
— fuliginosa, 506, 
— herpetica, 506. 
— lichenoides, 504. 
— Lyellii, 503. 
— macularis, 505, 
— microscopica, 507. 
— nimbosa, 504, 
— notha, 504, 505. 
— obscura, 479, 
— Persvonii, 505, 
— petrma, 505, 
— pulverulenta, 502. 
— quercina, 505. 
— radiata, 479, 
— reniformis, 479, 
— rimalis, 506. 
— rubella, 506. 
— rupestris, 505. 
— scripta, 502. 
— serpentina, 503, 
— siderella, 506. 
— varia, 504. 
— venosa, 507. 
— verrucaroides, 504. 
— viridis, 506. 
— vulgata, 506. 
Opegraphidee, 502. 
Opuntia, 347, 381. 
Orchal, 454. 
Orthotrichum, 717,+-745 
—TAT. 
Oscillatoria,-+280—283 
Oscillatoridew, 250, 
Osmunda, 378. 
Over, turn, 617. 
iP. 
Pallavicinius, 684, 685, 
115% 
Palmella,+348, 349,363 
Palmetta, 368, 369. 
Parmelia, caperata,437. 
— carneo lutea, 454, 
— cerina, 452, 456,475. 
— chrysophthalma, 435. 
— ciliaris, 434. 
— circinata, 448, 
—citrina, 445. 
— Clementiana, 439. 
— coarctata, 449. 
— conspersa, 442, 
— corrugata, 438, 
— craspedia, 452, 
— crassa, 444, 
— cretacea, 398, 
— crispa, 396. 
— cycloselis, 444, 
-— diatrypha, 436, 
— diffusa, 442, 
— dispersa, 448, 
— effusa, 451. 
— elacista, 449. 
— elzina, 439. 
— encausta, 441, 
— epigea, 446. 
— erythrella, 456, 
— exigua, 450, 
— Fahlunensis, 441, _ 
— farinacea, 407, 
— farrea, 443. 
— fascicularis, 398. 
— fastigiata, 406, 
— flaccida, 400, 
— fluviatilis, 397. 
— frustulosa, 451. 
— fuciformis, 426, 
— fulgens, 447, 
— furfuracea, 435, 
— furva, 400, 
— fuscata, 451. 
— fusco lutea, A473. 
— gelida, 448. 
— glaucoma, 453. 
— glomulifera, 437.. 
— herbacea, 431. 
— hypnorum, 446. 
— impolita, 480. 
Pandulphinius,688,689. — jubata, 408. 
Papa, 686. 
Parellus, 454. 
Parmelia, 436—444. 
— affinis, 440, 
— albella, 453. 
— aleurites, 442. 
— aquila, 441. 
— Atlantica, 435. 
— atra, 449, 
— Borreri, 437. 
— brunnea, 446. 
— Bargesii, 399. 
— cesia, 443. 
— candelaria, 445, 
— Jaciniata, 401. 
— levigata, 443. 
— lanuginosa, 439. 
— lentigera, 447, 
— lepidora, 445, 
— leucomala, 434, 
— lutescens, 453. 
— marginella, 40!. 
— marmorea, 473. 
— melzna, 397. 
— murorum, 447. 
— muscicola, 402. 
— nigrescens, 399, 
— olivacea, 438. 
362 
819 
