674 



LOUDON'S HORTUS BRITANNIC US. 



35552 - - platystdma Ehr. broad-mouthed bogs Hass. alg. 102. 6 



35553 - - nodbsa Ehr. knotted ... bogs Hass. alg. 102. 7 



?Frust&lia nodbsa Jenn. Fl. Tunb. p. 204. 



35554 - - insequalis Ehr. unequal ... bogs Hass. alg. 102. 13 



35555 - - gibba Ehr. gibbous bogs Hass. alg. 102. 4 



35556 - - lanceolata Ehr. spear-shaped bogs Hass. alg. 102. 14 



4189. 3069a. NITOPHY'LLUM Grev. Nitophyllum. (Niteo, to shine, phyllon, leaf ; glossy surface.) Crypt. A'lgce. 



35557 26451a wlvo'Ideum Hook. Ulva-like very tender 3-6 o Bt.Pk ocean Eng. bot. 2134 



35558 264516 Gmelinz Grev. Gmelin's slightly bran. 1-4 su Psh.Ro.R ocean Eng. bot. 2779 



Nos. 2G448, 26449, 26450, and 26451. of Hart. Brit., p. 438., are transferred to this genus by Dr. Greville. 



4190. - - NI'TZSCH/^ Hass. Nitzschia. (In honour of M. Nitxsch.) 



35559 - - elongata Hass. elongated 



3018. NO'STOC. 



35560 - - vesicarium Dec. vesicated cartilagin. 



35561 - - microscopicum Carm. minute gregarious 



35562 - - humifusum Carm. spreading densely aggr..., 



35563 - - variegatum Moore variegated gelatin, mas. .., 



35564 - - foliaceum Ag. leafy circular tufts 1 



35565 - - ?wuscbrum Ag. moss gregarious 1 



35566 - - macrospermum ?Menegh. lg-seeded spheric. .., 



4191. - - OCTAVIA y NA Vitt. Octaviana. 



35567 - - asterosperma Vitt. star- seed 



4192. - - ODONTE'LLA Ehr. Odontella. 



35568 - - aurita auricled scattered 



Crypt. A'lecc. 



Hass. alg. 102. 12 



Ol.G road side 



Ol calcareous rocks among moss 



D.G ro. exposed to sea spray 



moist banks, Ireland Hass. alg. 74. 3 



Dir.Um damp clayey ground Hass. alg. 76. 2 



Ol.G calcar. rocks, & moss Hass. alg. 74. 4 



iErug.G Ireland Hass. alg. 73. 1, 2 



(Not explained.) 

 Y in woods 



Crypt. Fungi. 



4193. 2963a. CEDIPO^DIUM Schw. Club stalked Moss. 

 f25739 Gtiffithsianum Hook. Griffiths's little spots § su 

 Gymnoslomum Griffithsianum, No. 25739. in p. 425. 



OlDIUM. 



(Not explained.) Crypt. A'lgce. 



Y paras, on mar. ^'lgse Eng. bot. 2842. 2 



(Oidos, a swelling, pous, a foot.) Crypt. Musci. 

 Pa.G mountains Muse. brit. 7 



4194.3250a. OI'DIUM Lk. Oidium. (Oon, an egg, eidos, resemblance.) 



35569 27817a fulvum Lk. tawny dense tufts 0 aut Taw 



35570 278176 fructfgenum Schm. fruit-sprung tufts 0 aut W 



35571 27817c iJrysiph bides Fr. Erysip.-lk little heaps 0 aut W 



35572 27817a" leucoc6nium Desm. white dust effused spts. 0 aut W 



35573 - - chartarura Lk. paper tufts 0 year Ol.Bk 



Nos. 27805. and 27806. also are referrible to this genus. 



3215. ONY'GENA. 



35574 - - piligena Fr. 



3113. OPE'GRAPHA. 



35575 26835a cerebrina D. C. 



35576 268356 tesserata D. C. 



35577 - - saxigena Tayl. 



35578 - - sulcata Pers. 



hair-offspring gregarious £ au W 



Crypt. FUngi. 

 rotten wood Corda 37 



decaying pears, apples, &c. 

 leaves of various pis. Corda 53 

 lvs. of rose and other pis. 

 on damp paper 



on old flannel on the ground 



tumid-crtd.thin crust 

 tessellated thin crust 

 rock thin crust 



furrowed wrinkled cr. 



year 

 year 

 year 

 year 



W 



Br.Gy 



Brsh 



Brsh.Gy 



calc. stone 

 rocks 



mural rocks 

 holly 



Eng. bot. 2632. 1 

 Eng. bot. 2632. 2 



2984. ORTHO'TRICHUM. 



35579 - - stramlneum Horns, straw-like tufts 



35580 - - coarctatum Pal. crowded tufts 



35581 - - fastigiatum Bruch. fastigiate tufts 



35582 - - pallens Bruch. pale sm. tufts 



35583 « - pumilum Schw. dwarf tufts 



aff'/ne 3 pumilum, No. 25883 var. 3. in p. 429-T 



35584 - - SprucjY Mont. Spruce's tufts 



35585 - - tenellum Bruch. delicate tufts § 



sp 



1 

 1 



1 sp 



\ su 



Dp.G 

 Br.G 

 Pa.G 

 Pa.G 

 Dl.G 



on an ash tree near the Lune 

 on trees in woods 

 on trees 



on basaltic rocks 



trunks of trees Eng. bot. 2168 



iffine /3 pumilum Muse. Brit. p. 74. 

 sp D.G on trees, rocks, &c, near rivers 

 sp Pa.G on trees near water 



3037. OSCILLATO'RIA. 



35586 ■ 



35587 • 

 35588 

 35589 

 35590 



35591 . 



35592 • 



35593 • 



35594 • 



35595 ■ 



35596 • 



- mucbsa Hass. 



- cinerea Hass. 



- aarugescens Drum. 

 ' pulchella Hass. 



- virescens Hass. 



- thermalis Hass. 



- »2uscdrum Ag. 



- turfosa Carm. 



- z/iolacea Johnston 



- rupestris Ag. 



- spadicea Carm. 



§ i. Filaments Brittle. 



slimy floating 

 ash-coloured 



rustyish 



pretty 



greenish 



hot-bath 



moss 



gelatinous 



terrest. strata 



sm. filaments 



creeping l/ 6 ... 



D.iErug.G ponds Hass. 

 Dl.^Erug.G ponds Hass. 



Dp.G bot. of pools & lakes Hass. 



Vivid G bottom of ponds Hass. 

 L.iErug.G banksides Hass. 



str.of hot w., Steventon Hass. 



Pa.B.G Hypnum ?*uscifdlium Hass. 



alg. 71. 1 

 alg. 70. 4 

 alg. 72. 2 

 alg. 70. 5 

 alg. 71. 2 

 alg. 72. 3 

 alg. 72. 12 



ii. Filaments flexuous, coriaceous. 

 thick layer Viv.G sods in old turf pits 



turf 



violaceous gelat. mass D.P 



rock thick stratum Pa.G 



chestn. col thin stratum D.G 



Hass. alg. 72. 6 

 rapid streams Hass. alg. 72. 10 



prec. face of cascades Hass. alg. 72. 11 

 damp mossy earth Hass. 71. 5. & 72. 5 



35597 - 



35598 - 



35599 - 



iii. Stratum blackish; filaments brittle, not coriaceous. 

 interwoven thin stratum Shin.Bk on moist ground 



- contexta Car, 



- Carmichaehi Hass. Carmich. thin stratum ... 



- terebriformis Ag. auger-like spreading 



Bk 



on moist ground 

 marshy places 



Hass. alg. 71.4.6. 7 

 Hass. alg. 71. 8 

 Hass. alg. 72. 4 



fresh water Hass. alg. 72. 13 



§§§§ iv. Filaments brown, brittle, not coriaceous. 



35600 - - Dlckiez Hass. Dickie's spreading L.Ch pools i 



§§§§§ v. Filaments collected into close erect tufts. 



t- -FrieszYAg. Fries's tufts 1 ... Bt.G on mosses in shad. pl.Fl. Dan. 1602. 1 



Scytonema Bdngu, No. 26180. in p. 434. 



35601 - - lucifuga Harv. sm. spiny tufts Bksh.G decayed tr. of alder Hass. alg. 05. 5, 6 



26212 alata Grev. ; syn. Petalonema alatum Hass. br. fr. alg. 68. 6. 



