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SofcCATA. With ovate ventricofe apex, acuminated, 

 ventral furrow and on both fides hairy : as before. 

 *♦ mth Tad. 



Transfuga. Broadifh, before hairy, behind briftly, 

 finuated on one fide, mucronated on the other. Found in 

 fea-water for fome time kept. 



Delphinus. Oblong, before hairy, behind truncated 

 with a reflex tail. Found in hay-water. 



LuDio. Cirrated, above hairy, with an extended tail. 

 Found rarely in the grove-w.-iters of Denmark. 



MuscuLus. Oval, on the fore -part hairy, the hinder 

 part caudated. Found in hay-water. 



Piscis. Oblong, on the fore -part hairy, behind very 

 fmely extenuated into a tail : in duck-weed water. 



CuNicuLUS. Oblong, before hairy, behind fomewhat 

 fliarpened : in pure water. 



Clavus. Before rounded and hairy, behind with an 

 acuminated tail. Found in marlhes. 



Pupa. Aculeated, hairy in front, with a bent tail. 

 Found in duck-weed water. 



Clava. Clavated, hairy in front, with a reflexile tail. 

 Found rarely in the marfhy waters of Denmark. 



TRICHODERMA, in Botany, from Sp.|, Tf.>;o.-, a 

 hair, and oEffj.-x'^ a coat. — Perf. Syn. Fung. 230. (Fari- 

 naria; Sowerb. Fung. t. 360.) — Clafs and order, Crypto- 

 gamia Fungi. Nat. Ord. Fungi. 



Eff. Ch. Naked. Powder copious, mealy, encom- 

 paffed with a downy or fhaggy coat.' 



1. T.fuliginoides. Perf. n. i. — " Large, nearly globu- 

 lar, villous, whitifh. Powder bright red, intermixed with 

 clnftercd threads." — Found in autumn, on the rotten 

 trunks of Spruce Firs. An inch or two wide, foft, but 

 not melting. The threads to which the feeds are attached 

 fpread radiating through the powdery mafs, in little tufts, 

 from a fnbjacent membrane. Pcrfoon. 



2. T. rojeum. HofTm. Germ. v. 2. t. 10. f. I. Perf. 

 n. 2. (Farinaria rofea ; Sowerb. Fung. t. 360. f. 3.) — 

 Rofe-coloured, encompaifed with a fine, fpreading, de- 

 preffed, filamentous border. Frequent in fpring on rotten 

 branches, efpecially between the wood and bark of the Sal- 

 low and Afpen. Half an inch broad, roundifli or oblong, 

 with a cobweb-like circumference. 



3. T. aurantiatum. (Farinaria aurantiaca ; Sowerb. 

 ibid. f. 2.) — Tawnv, orbicular. Powdery particles fome- 

 what ovate, partly fcattercd, with a flight filamentous bor- 

 der. On leaves, often forming, as it were, a little neft, with 

 a few cottony filaments towards the edges. Soiverly. 



4. T. feminarium. ( Farinaria feminaria ; Sowerb. ibid. 

 f. I.) — Powder black, in httle compaft globules, on a white, 

 mealy, flightly fibrous, orbicular bafe. — Obferved by the 

 Rev. J. Holme, of Peter-houfe, Cambridge, on the leaves 

 of a Willow. This confifts of little white fcattered orbicu- 

 lar fpots of a white mealy fubilance, from a quarter to half 

 an inch broad, lodging feveral minute deciduous mafles of 

 black powder, or feeds. 



5. T.inride. Perf. n. 3. " Difp. Meth. Fung. 12." 

 (PjTenium lignorum c<, vulgare ; Tode Fung. Mecklenb. 

 V. I. 33. t. 3. f. 29.) — Roundifli or unequal, very foft, 

 ■with bright-green powder, and whitifh fugacious filaments. 

 —Found after autumnal rains, among fragments of fallen 

 branches of trees, or of u'e ftems of large herbaceous plants. 

 Its fub fiance is extremely foft, two or three lines in diame- 

 ter. The wliite cobweb coat opens at the top, and expofes 

 the minute condenfed grains, or powder, of a moil beauti- 

 ful verdig.-is-green. Perjoon, Tode. 



6. T. aureum. Perf. n. 4. Obf. Mycol. fafc. 1. 99. — 

 " Widely expanded. Hairy coat whitifh, very thin. Pow- 



T R I 



der dull yellow." — This occurs rarely, in ftoves or hot- 

 houfes, on rotten wood, into which it is f\mk. Almoft 

 three inches broad, being one of the largeft of its genus, 

 but fcarcely two hues in thicknefs. The fhaggy covering 

 is thin and evanefcent. Perfoon. 



7. T. nigre/cens. Perf. n. 5. «' Difp. Meth. Fung. 12." 

 — " Rather fpreading, flattifh. Powder footy. Shaggy 

 coat grey, very thin." — Produced in the winter and early 

 fpring, on felled trunks of trees, efpecially of the maple 

 kind. Half an inch broad, and one line thick, flaining the 

 fingers, and foon becoming black. Perfoon. 



8. T. dubium. Perf. n. 6. (See Perf. Obf. Mycol. 

 fafc. I. 99.) — Linear, flightly downy; firft whitifh, then 

 yellowifh ; of an uniform friable fubllance. — Frequent on 

 decayed trees in autumn. About half an inch long, and 

 one hne broad. There is fcarcely any diftmft fibrous 

 margin, though the whole fungus appears flightly downy. 

 The iniide is denfe and cohering, not powdery, nor volatile ; 

 fo that Perfoon expreffes great doubts concerning the genus 

 of this little produftion. 



9. T. pyrenium. Perf. n. 7. ( Pyreni urn lignorum jr, au- 

 reum; Tode Fung. Mecklenb. v. i. 33.) — Oval.compreffed, 

 with a bright -yellow, downy, feparating coat. Nucleus 



whitifh, turning orange On the naked wood of decaying 



branches of beech, in May, but very rare. A line long, 

 fcattered. The internal fubftance rather foft and friable. 



10. T. lave. Perf. n. 8. Obf. Mycol. fafc. I. 12. — 

 Whitifh, fpreading, fmooth, turning buff-coloured. Pow- 

 der yeDow. This is found on the ground, as well as 

 fpreading over moffes, to the breadth of an inch and half 

 or two inches, but is not among the common fpecies. It 

 is more permanent than fome others. 



11. T. tuberculatum. Perf. n. 9. Obf. Mycol. fafc. i. 



12. t. 2. f. 8 Pure white, nearly orbicular; at firfl 



downy ; afterwards tubercular. Powder grey — Frequent 

 after great rains, on the ground in fhady woods. When 

 young it is very white, of a cobweb texture, but foon be- 

 comes greyifh. When full-grown the furface is befet with 

 oblong tubercles. In a few days the whole changes to a 

 grey powder. 



TRICHODESMA, from 9p.?, Tp.x<>-, a hair, and Jjo-fie, 

 a tie, alluding to the connexion of the anthers by their 



pubefcence Brown Prodr. Nov. Holl. v. i. 496. (Bor- 



raginoides ; Boerh. Lugd.-Bat. v. i. 188. fig. E — K. Bo- 

 rago ; Gaertn. t. 67. Cynogloffoides ; Ifnard in Mem. de 

 I'Acad des Sc. for 1718 ; Gennan edition 194. t. 9, 10. 

 " Pollichia; Medicus Phil. Bot. part 1. 32.") — Clafs and 

 order, Pentaiidria Monogynia. Nat. Ord. Afperifoliiz, Linn. 

 Borraginece, Juff. 



Gen. Ch. Cal. Perianth inferior, of one leaf, in five 

 deep, ereft, permanent fegments. Cor. of one petal, 

 wheel-fhaped ; the length of the calyx ; tube fhort, fome- 

 what funnel-fhaped ; limb fpreading, nearly flat, in five 

 deep, equal, keeled, taper-pointed fegments ; throat naked. 

 Stam. Filaments five, very fhort, inferted into the throat 

 of the corolla ; anthers oblong, prominent, converging, 

 fhortcr than the hmb, tipped with twilled briflly points, 

 and bound together by their two rows of dorfal hairs. 

 Pifl. Germens four, firperior ; ftyle central, thread-fhaped, 

 longer than the ftamens ; fligma fimple, bluntifh. Seeds. 

 Nuts four, ovale, gibbous, half funk in the cells of the 

 four-wintjed central column near its fummit. 



Eff. Ch. Corolla wheel-fliaped, with a naked throat. 

 Anthers conneAed by dorfal hairs. 



Mr. Brown has feparated this genus, confifting of three 



known fpecies, from the Linnaan Borago, for the very fuf- 



ficient reafon of the corolla having no v^ves or prominences 



p in 



