Grevillea

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FUNGI.

Τype specimen eXam in ed.

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FUNGI.

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FUNGI.

Judging hom an examination os specimens in the exsiccati ofvarious authors, and from herbarium specimenS, there appears tobe a divorsity of opinion as to the species to Whicli the nam es

forming the heading of this note W0re respectively applied by the

originat authors. As in numerous similar instances, Where thomost constant and important characters depend on Datures revealed

by the microscope, thu brius descriptions furnished by early authors are not sufficient for certain identification, and modern descriptions of such supposed species do nos hel p in any Way to

elucidate matters, as in many instances the externat charactersgivon in tho original description apply to allied species havingvery different microscopic characters. As an illustration os this may be noted Cooho's conception os Peria a polytrichi, Sch. , as figurod in Mycographia,'' fg. 50, With Sm00th, globoSe Spores 11 - 13 μ diam0ter. This vies of the species is adopted by Philtips, Brit. Disc., p. 87, and by Saccardo, Syli., VIII., NO. 423.

On the other hand Roumeguere, Fung. Gall. , No. 4045, Raben- horSt, Herb. Myc., Ed. V., NO. 310, and others, accepi as Peatra polytrichi, Schum ., a species having the Spores elliptical, end sacute, I-guttulate, minutely Warted at maturi ty, 25 28 Y ll-12 μ. Finalty the species With elliptical sp0res last mentioned is accepted in Britain as Persea rutilans, Fries. Other SpecieS are involved, as Pea ira humo8a, Fries, Pezita leucoisma, HedK., etc. Thero is a specimen in the Κ0W Herbarium, sent by Fries to Berkeley, nam0d P0Ziza rutilans, Fries,' and it is someWhat curious that this specimen did not influence Coohe in preparingliis figure of this species for Mycographia.' This specimen Iliave accepted as the true P. rutilans, Fr. , and, as the exsiccati quoted sh0W, is also accepted by severat authors. B00k Synonymyis not attempted, as in lo0hing ovor various diagnoses the originaldescription os the externat aspect of the fungus is soland tachedon to such dissimilar Druis ot spore that it app0ars to bu fheerWaste os time attempting to correct tho mistahes of others, and in additi0n, probably adding one m0re misinterpretati0n to the list,

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margin entire, Somet imos

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FUNGI.

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FUNGI.

Syd., Myc. March. , NO. 277. On the ground among moss, especialty species os Polytrichum. The synonyms and quotations os exsiccati-so sar as the specimens present in the KeW Seis are concerned-are identical, and tomy mind represent Perita polytrichi, Schum. Peatra vivida, Nyl. , as represented in Syd., Myc. March, No. 277, and tho Britisti specimens Doni Rannoch only differ hom the typical P. polytrichi, as here interpreted, by the SomeWhat longer stem-like base ; thesporos and internat Structure are identicat. Tho laci that in P. polytrichi the spores remain sor a l0ng time smooth, and theoxternat doWn to a greater Or leSS eXtent disappears With ago, has probably caused confusi0n. I can sinit no specimens agreeing Withthe fungus figured as Periea polytrichi by C00ke in ' Myc0graphia, sig. 50, and described by Phillips in Brit. Disc., p. 87.

The 46th Repori New York Mus. Nat. Hist. , 1893. As usual Pros. Pech has described many neW species of sungi, and has, in addition, given a revised description of the NewYork species os Galera including tWelve species, fix of Whieli

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PUNGI.

sresti and young, bes ore the pores have formed, and caresullycooked, this langus malles a very palatablo disti.' This may boquite true, but I do not thinti it Will induco anyone in Britain totry the experiment on What We cali Polyporus 8ulphureus, Fries. The genus Idanenelia. P. Dietet, HedNigia, 1891.

South America, Severi SpecieS. Central America, One Species. North America, siX SpecieS.

the species.

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Tho fiftcontii part of this excellent Work concludes the descrip tions os ille species of Bryum, and contains the wholo of tho Bai tramiaceae. The genus Bryum is divideli into 38 species, assigainst 37 admitted in the last edition os Hobhirh's synopsis.

Sibthoi p tWenty-three years later, the name having been used by Linnaeus in 1753 in a varietat sense only as Minum serpylli- folium, Var. proliferum, L. Changes like these tend to confuserather than elucidate. Tho Bartramiaceae are divided into sive genera, ViZ., ConOStomum, Barti amia, Philonotis, Brentelia, and Catoscopium. Here it has 110t been Dund nece58ary to introduce much charage of u0men-

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olature, so that Bartramia pomiformis, HedW., and Philonotis sntana, Brid. , retain their familiar nameg. The descriptions aro lucidly draWn up, and the plates give justitie statures necessary for the determination os the species. Thesorthcoming pari Will conclude the Acrocarpi. New Maland Mosses. R. BroWn, Trans. N. Zeal. Inst., 1892. In tWo very interesting articles, illustraled by thirteen plates, Wo have sirgi an account of the NeW Zealand species of the genus

genUS, closely enclos es the capsule, and is confluent at the ba80. Muscologia Gallica.-This excellent Work is noW approachingcompletion ; the present part deals With the genera Plagiothecium, Amblystegium, and Hypnum in pari. A very pratSeWorthyseature is the frequent occurrenco of What may be termed crOSS- referetices ; in Other Woriis, in the casu os alliud species the politisos agreement and of differetice are clearly state d. Such note S areos great value to a beginner, and osten give a clue to the Species When the more technical diagnosis fulis to do so. The uight plates are excellent. The Work Wheu completud vili forvi auses ut companion volum o to BratthWaite's M088-ctora, givingBritisti students an idea of Southern formS.

LICHENES.

Lichens of the Iste of Man. W. H. Williinson. We Hadly Weleome any attempt to popularige the study os Cryptogamic Botany, and more especialty Lichen0l0gy, seralthough ihere are a feW studenis in Britain, yet it must boadmitted that tho numbor fatis stiori of What might be expected, taking into consideration the richness of our Lichenological Flora, the great beauty of the objecis them gelves, algo their important bearing on biological problems. The present descriptive und

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I have received somo boautilat specimens of this very rare Britisti species Doni Mr. David Roborison, the veteran naturalistos Cumbrae, Who has done so much sor the flora and fauna os the

Way resembled the sWarmspores of the other species of the genus ovora. There are Severat nuclei and pyrenolds in each celi,