Some new species of Lichens from the Western Ghats ...

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late, semi-ernergentia, solitaria aut aggregata, albopruinosa; hypothecium brunneum; hymcnium plllide brunneum, 80-110 .um al turn; epithecium brunneum ...
B!OVIOYAN AM

7 : tn-129, 1981.

Some new species of Lichens from the Western Ghats, Southwestern India P . G . PATWARDHAN & URMILA MAKHIJA Department of Mycology and Pla11t Pathology, 1\/alwrashtra Associatiu11 for the Cuflfration

cudothccia minuta, nigricantia, usque O· 2 rnrn late, semi-ernergentia, solitaria aut aggregata, al bopruinosa; hypothecium brunneum; hymcni um plllide brunneum, 80- 110 .um al turn; epithecium brunneum ; paraphyses ramosae, anastomosantes, cohaerentes; asci subglobosi, bitunicati, crassitunicati, pedicellati, 25-50 x 70-80 µm; ascosporae 8 : nae, muriformes, incoloratae, ovoideae vel oblongae, 15-1 8 x 30-50 µm. Figs.

7-1 6

7-8 9-10 11-12

: Arthotlie/i111n albesce11s Palwardhan & Makhija Arth othe/ium awasthii Patwardhan & Makhija

: Arthothe/ium ni/{rodiscum Patward han & Makhija

13-14

: Arthoth e/ium 1•erruculosum Patwardhan & Makhija

IS-16

: Helmi11thocarpon subalbatum Patwardhao & Makhija

Figures 7, 9, 11, 13, 15 : V: s .. of ascocarp

1, 9, 11, 13, 15

.___, 100 µm

8, 10, 12. 14 L---J10µm

Fiaures 8, 10, 12, 14, 15 : Asco•porc

125

P. G. PA".\\'ARriHAN &.

till.MliA MAirnti.i. NEW SPECIES OF LICHENS fRO M SOUTHWESTERS 1:-.;"DIA

Thallu s co rticolo us. crustose, ashy white to white, meally, thin , smooth, cracked with age, epiphl oeodal, ecort icat e, determinated by thick. black distinct hypothalloidal region at the periphery: ascoca rps (pseudothecia) minute , a t the m ost O· 2 mm across, punctate, black, white pruin ose. semi -emergent . surrounded by thallus, solita ry.or coalescing, hypothecium d a rk brow n ; hymeniu m pa le brown, 80-1 10 um high, covered by da rk brown epithecium ; paraphyses bra nched a nd anJstom os in g. coherent at least in some parts; asci subglobo~e , bitunicate, thi ck wa ll ed, ped ice ll atc. 25-50 x 70-80 um in size ; ascospo res 8/ ascus, hyaline, ova te to obl ong, 111uriform, tra nsve rse ly ma ny septate. vertica lly few septate , 15- 18 x 30-50 µ min size. C he mi stry : Tha llu s K + orange. C-, KC a rc [>rese nt. (det. C. F. C ulbe rson).

, P-

; two unidenti fied lichen substances

Holotypc : Ind ia - Karnatak a. South Ca nara. Ch1 r mudi ghat , elev. appro x. leg. C. R. Kul karni-76· 1111 (A ~1 H l.

1300 m,

This new species of the genus Anlrotlre/ium is di sti nguished from other species wi th a.scospores 30- 50 µ m long. bl ack pruinose disc, p1 le brown hymenium , ascos pores, without a larger termin al cell a nd K + th all us con ta ining two unidenti fied lichen substances.

Artlrothelium bessale (N) I. } Z 1hlbr., A. nemorale (Stirt.) Zahlbr., A . clriodectoides ( Ny!.) Za hlbr. and A. aplranocarp11111 ('.'lyl.I Za hl br. a re simil a r species with ascospo res 30-50 u m long but with ascospo res hav ing a n uprer ce ll larger th a n the others. 5.

Artlrotlrelium mrn >1lrii Patwa rdha n et Makhij a sp . nov. (figs . 9, 10, 21).

Tha llu s cru staceus. pa ll ido- br un neus vet a lbidu s, tenui ssimu s, cont inuu s, granulosu s, limitatu:; sed hypotha ll o in distin cto: pse ud othecia arthoni odea . nigrica ntia , puncta ta, solitaria vet con fluenti a. minuta. usq ue 0 · 4 mm la ta . d isco a lbid o-pruin oso ; hypothecium brunneum, X 0- 1~0 µ m altum ; hym eniu m plllide brunn eum vet hyalinum, 80-1 60 µm altu m ; para physes ra m osae. a nasto mosJn te cohaerentes : asci subglobosi , ped icell a ti , bitunica ti , 35-60 x 100- 140 µ m ; ascosporac 8 : nae, incolo rat ae. ovoi deae, mur iformes, 18-20 x 32-44 µm . Tha llu s co rticolo us, crustose. pa le brown to white. thin , continuous, gra nu! ose, determi nated but wi th no di st inct hypotha llu s ; a~coca rp s (pseud othec ia ) a rtho nioid. bl ack, punctil'or m, so lita ry to cl osely agg regated. mi nute, less tha n 0· 4 mm; d isc pruin ose; hypothecium brown, 80-140 µ m hi gh; hymenium pale brown to hya lin e, 80-1 60 µm high ; paraphyses bra nched ol'ten at api c:il pl rt on ly; asci p)riform, pedicellate, bitunicate, 35-60 x 100- 140 u m in size ; ascospo res 8/ ascus. hya li ne, ovate. mur iform, 18-20 x 32-44 µIll in size. PLATE IV Figs.

t 7-24

( Rule = t mm).

17.

Cr.1·pratlu.'ci,1 a11am~laier1sis Pdtw. & ~11.kh ija

IS.

Cryp101heria 11ilghirie11sis Patw. & Makhija Cryp1oth