MOSSES OF RAJASTHAN II. DICRANALES AND POTTIALES K.R. BAPNA AND B. L. CHOUDHARY Otparimenl cf Botany, StMtadia Vnirtrtay. Udaipur ■ 31300!. Ra^astkm (Acccpted Scpeniber 1988) The uxonomic detchption of 16 fpccicf o f m o tiet betongtng to 13 gtncr* of onten L icnnalei and PoUJ«lei ii gi»OB IIicm Iu»» been reconkd «i«j described for ihe firti lime from Rtjaiihui Key wordi: M osiu, Dicnnalct, PoOialei, Rajiilhan The members of Dicranalcs and poiuales arc sheathing base or lingulaie. margin more or les widely disiribuicd in tropical and subuopical regions rccurvod. dcniiculate at apex; costa ending below; of the world. However, there are no rccords of these ccllsat the apex 4 to6sidcdorsubquadratc upio 13 mosses from Rajasthan (Montagne, 1842; Miticn, liwide. smooth, the middle and basal cells rccungulir. 1859;Grifnth. 1849a, 1849b, Brothcrus, 1898; Dixon. much elongated. 11-14 pi broad and up to S-6 times 1929,1930; Poiierdc la Varde. 1828). We collected 16 as long as broad; seta 1.3 cm long, yellowish, erect, spccies of the orders Dicranalcs and Pottiales from capsule cylindrical, tmi 1.2 mm long or more, with various parts of Rajasthan, The specimens have been long, elevate neck; 2.2 mm long, curved, gradually deposited m the British Museum (Natual History). narrows into the seta but at the base gives ihe London and the Dcpanmtni of Botany, Sukhadia appearance of siruma; pcnsome with 16 tccih,entire, University. Udaipur. EarliCT Bapna (1975.1980) reported vertically striate on outer surface; operculum with a f unaria nuians (Mill.) and four spccies of Fissidens long oblique beak; calyptra ciKullate or inflated: from Rajasthan. spores brown, rough, 22-28 n in diameter. SiudySite - Rajasthan with an area of 3.43,274 sq.km. On moisi soils or on rocks where soil and humtu lies between lautudes 23‘’’N and 3()"12'N and longitudes have accumubtcd, sometimes associated with Weissia 69*31 E and 78”17’E. the state is dominated by controversa. Aravalli ranges in the south-west (Gujarat) to the Locality Mount Abu ■ Nakki lake, sunset point; north-east (Delhi). The climate of Rajasihan is one Kumbhalgarh - in a valley. of grcai exircmcs with sudtlent changes in tempeiTUure. precipitation and wind. The extremes of climate lend POTTIAUES ; POTTIACEAE Anoectanguim Schwaegr, to restrict ihe bryophyiic flora. As such, only a limited Spec. Muse. Suppl. 1:13, 1811. number of spccies which have a wide range of tolerance Anoeciangium stracheyanum MiU., J. Linn. Soc. Bot. occur in Rajasthan. Mt. Abu. a highest spot (alt. 1,067 Suppl. 1:31. laeium Ren. & Card.. Bull. Soc. R.Boi. m.) in Rajasthan is florisiically ihe nchcst spot; due to Belg. 38; 7. 1899. Plants in dense sods, slender, pale heavy rains and higher allitudc, many humid types green or bnght green, reddish below; stem up to l.S occur which are not fcHind in the plains. cm long, erect, sometimes branched, densely foliite; observation leaves (dry) cn^ted and appressed, (motsi) creci spreading. 1-1.3 mm long, linear-lanceolate, keeled, DlOiANALES - DICRANACEAE: Trematodon acute, margin enure, but slightly crenulate due to Michx. n . Bor. Amer. 2: 289, 1803. emerging papillae; costa iioui, yellowiih brown, Trematodon sabulosus Griff., in Cal. J. Nat. Hist. 2: subpercurrent or percurrcnt; upper cells routtded - 493. 1842. corrected Griff.. Natul. PI. As.. 2: 413. quadrate. 6-8 ^ wide, incrauaie. with dense papilbe 1849. Plants gregarious, pale green, small, I.Sio 2 on both stdet; basal cells rectangular near cosa. 7-8 ji mm long, ixofusely innovaung at base, radiculose wide and 18-20 |x long, quadrate towards margin. 7­ below; leaves (dry) curled, (moist) spreading, 1.5 10 u wide, (hick walled, without chloraplasu and mm long, lanceolaie from a broad ovaieoblong walls yellowish; plants withoM capiulei. Bapna A Choudhar) . 1 c m b,c > _ ^ m m ^ . 7 m m F i g • i Hf. I. 7>*iM<adiMj*M«m. a.pUni;l>,c. Icivu; d tofapa; «. cclli mmiddboriatfiloni ihc nurjn; f. oelb ■ Imm of la^ (. k. puifUWivil i. (pore B f. 2. Aitotcunfiwn suacluyaitmm.». pUnl; b kuvu;c. lufapcx; d. oclli in i^spcf pan of leaf: c. tpiol inanw of 1 (.calUatbu«oricaf .|.maiiinilcelUaithebascoftcar.Fi|. 3. Sa/!>W«caiu(ricla.a.ptaflt:b^lc>ira;d. cdli in upper pafloflail^t.c hi ^Ncal m aifin of tu t: f. cells at bate of leaf; |. capuilu: K penuonie; i. floret. Fig. 4. B twuJu a phnu b;c. tcava; d. leaf t. < from appei part o( kal; f. cclli fiwn mNUle of leaf; oelli from b a u of leaf. h. oqmilc*: i. penoome: J. tpoict. On moisi soil or calcareous nocks or on old waJIs, conic foarate; spores rounded 13 to 16 u with few 11) shaded places fonning cicnsc mats, motsuic modcraic. papillae. LocaJity: Banswara - Kagdirall.Goduun Ghai - near On moist rtxrks or old walls. railway bridge, Kumbhalgarh. Mount Abu - Bhaniipur Souse, near Hanuman lemplc on way to Gaumulch. LocaJjiy: Mount Abu - Sunset [>otni. Nakki Lake. Bryoeryihrophyllum Chen. Hedwigu 80:4. 250. Barbula Hedw., Spcc Muse, 115. 1801. 1941. Key to the species B recurvirostrum (Hedw.) Chen. Hcdwigij 80.255. 104 1. Weissia recurvirosirts Hed w., S pcc. M use.. 71. Leaves compact, cells smooth B consincia 1801. Plants yellowish green or bright green, reddish Leaves lax, cells papillose B vmeahs below, cacspiio.sc; stem 12 cm high, crcct, simple or Barbula consirtr.ia Mitt,, J. Linn. Soc Bot. SuppI branched, lomcniosc below; leaves (dry) twisted, ! 33, 1859. Plants green, with a dull brown unge, (moist) spreading widely from appresff-d base. I mm forming dense cushions, brarichcd 1.8 cm high, with long, linear lancct)latc, acuic or mucronatc, smooth rcddi.sh tomenium below, leaves (dry) conioncd. entire, faintly dcnticuIatc at apex, margin revolute (moist) erect spreading. 2.5 mm long, crowded at apex, nearly to apex; costa strong, ending rwar ipcx tu short claspmg the stem, longly lanccolaie from a broad excurrcnt. upper cells small 7-10 p wide quadratr- ovate base, tapering to a long acumen, margm entire, hexagonai. densely papillose, bxsal cclls large, 10 M rccurvcd: cosu subpercurrcnt, brownish, upper cells ' 14 p bruad and twice as long a.s broad, rectangular quadrate, smooth, turbid. 6-8 p wide. ba.sal cells more smooth, hyaline, oor pale brown; no fruiting stage orlcssrcctangular.9-10^l wide and 12-16 )j long; seta observed. 1.2 cm long, flexuous; capsule erect or slightly On moist soil over rocks inclined, um 2.3 mm long; operculum conic-rosiratc; peristome of long 32 filiform crura, ansing from a Locality; Mount Abu - Anadra point basal membrane, brownish, papillose; spores brown, llydrogonium (C. Muell.) Jac<{) circular, 10-15 p in diameter. Ber. S. Gall. Naturw. Ges. 1877-78. 405. 1880. On moist rocks with liitJc mineral soil under Key to tfxctes moderate light, often mixed with llyophila involuia. rarely with Funaria hygromeinca. Leaf apex slighiJy rounded or widely acute; cosia ending below apex II arcuaium Locality: Mount Abu-Sunsct point. Kumbhalgarh. Leaf apex acute; cosu cxcurrent. mucroruike poinl B. vineatis Bnd.,Bryol Univ. 1. 830, 1827. Dioicous, II. consangmneum plants slender, densely tufied, green above brownish below, erect. 2 cm high, branched, brar>chcs equally H arcuaium (Gnff.) Wijk. it Marg., Taxon 7: 289. high, lower pan felted with rhizoids; stem flexuose. 1958. slender; lower leaves shoner and lax, upper crowded Barbuia wcuaia Gnff. in Cal. J. Nat. Hist. 2:491.1842 to form a comal tuft; leaves (dry) cnspcd or twisted. < moist) spreading, 2.5-3 mm long, longly linear II comnswn (Dcu. Sl Milk) Milp , in Bcih. Boc Centrabi. lanceolatc from an ovate erect base, obtuse aprx. 50; 622, 1933. margin rccurvcd above the middle; costa strong, B comosa Do7 & Molk., Ann Sc Nat Bot Scr. 3: reddish, ceasing below apex; upper cells small. 6-10 299. 1844. Monoicous; plants in dente cushions, p wide, hexagonal rounded, merassaie, papillose but green above and brownish below. 7 mm to 12 mm ^icttnrf w. i/j ,i ■»!»«-* j -m long as broad, rectangular, hyaline or ye!lowi\h. innovations near apex, densely felted by rtii/.oid( unooih; penchaetial bracts usually shcaihmg; seu below, leaves (dry) patent or wi(/i iheir upt curved flexucse. I.6cm long; capsule erect.oblong-cylindric. hack, (moist) crcctx>-patcni. 2.2 mm long, lanccolaie am 2.8 mm long; chesuiut brown, pensiome deeply from brood base, margin entire, slightly toothed above kibod with seveni twisu lo the tcA, papillose; operculum ditc to emerging ends of the celli. apex, slightly b I m m c - e. 0 5 m m 1 cm b --------- ' 5 m m c-e,h.i -------------' ' 05mm 1 q -------------' ) m m 05 mm Fif. 5. BrytMrythrophylliun rtcum rostri i pUm; b. Icivti; c. k j / »pe»; d oelli from <ippa pan of leJ. c. celli from hue of Itif fi*. 6 H ydrofomiuman italmm ■ p<uti. b. lu /; c. k if. ^ leid .celli from v^ipctpuioflcaf.e. e d it from base of leaf, f c*ptul«;h.perin<ime.i. «(*>«« F i| 7 H C(MM<i{uuwian • p im , b. c leave*: d. l u f ip u . e. «IU fram uppci p*i1 of leaf; f oelli fiom bate of leaf. roundwl (Widely acute); nen/c strong, ending below On moisl walls of old houses or on moisl soil apex, prominent at the back, yellov^sh; cells in upper rich in chalk or on moist rocks covcrcd with mirtmJ region quadrate to rcciangular, thin walled, smooth, 6­ soil, in shady places. Usually a.ssix;iaiC(} with 7 wide; basal cells rectangular. 10-14 ji wide and 2­ AriorciangMm sirachryanum.