POA PRATENSIS. SMOOTH StALK'D MeADOW GrASS. 



POA Linnal Gen. Ph Triandria Digynia; 



Cal. 2-valvis, multiflorus. Spicule ovatae ; valvulis margine fcarioiis, acutiufculis. 



Rai Syn. Gen. 27. Herb^e GRAMiNiFOLiiE flore imperfecto culmifer;e. 

 POA pratenfis panicula difFufa, fpiculis fubquinquefloris, cnlmo eredlo lasvi, membrana foliorum obtufo. 

 POA pratcnfis panicula difFufa, fpiculis quinquefloris glabris, culmo eredlo tereti, hinncei Syji. Vegeiab.p. yy* 



Fl. Suede. 82. 

 POA pratenfis, Scopoli Fl. Carniol. p. 70. n. 100. Diagn* Panicula difFufa fpicuke 2-3 florae. Glumis 



inaequalibus, lanugine nulla. 

 POA panicula difFufa locuflis trifloris glabris. Haller hijl. n. 1465. fecundum Scopoli. 

 GRAMEN pratenfe paniculatum medium. Rail Syn. 409, The greater or middle fort of Meadow Grafs. 

 Bauhin Pin. 2. pratenfe minus. Gerard 2. Parkin/on 11 56, 



RADIX perennis, repens, intra terram finurafque mu- | ROOT perennial and creeping, eafily penetrating into 

 rorum facile penetrans. | the earth and crevices of walls. 



CULMI plerumque pedales, erecli, laves, vix mani- | STALKS generally about a foot high, upright, fimooth, 



fefte ftriati. % fcarce perceptibly ftriated. 



t 



FOLIA laevia, faturate viridia, fubinde glauca, mem- | LEAVES fmooth, of a deep green colour, fometimes 



brana brevi obtufa inftrudla, fig. 11. % blueifh, furnifhed with a JJjort blunt mem-> 



I brane, /g. 11. 



PANICULA ereda, difFufa. | PANICLE upright and fpreading. 



% 



SPICULE ovato-acutae, plerumque quinqueflorse, etiam % SPICULE oval-pointed, generally with five flowers, 

 biflorae, utrinque compreflae, fig. 1, 2. | fometimes only two, flattened on each fide, 



% fig- 2 - 



% 



CALYX : Glum a bivaMs, valvulis inaequalibus, acu- | Cx^LYX a Glume of two valves, unequal, acumi- 



minatis, concave, fig. 3. % nated and hollow, fig. 3. 



"I 



COROLLA : Gluma bivalvis, valvube fubaequales, al- $ COROLLA a Glume of two valves, the valves near- 



tera concava, carina ad lentem vifa fcabriuf- | ly equal; the one concave, with the keel ap- 



cula, altera planiufcula, fig. 4 ; in fundo ca- | pearing fomewhat rough if magnified ; the 



lycis lanugo obfervanda, evulfis fioficulis., fig. 3, 5. % other flattifh, fig. 4 : in the bottom of the 



t calyx a filamentofe or wooly fubftance is ap- 



| parent when the flowers are drawn out of 



STAMINA: Filamenta tria, capillaria, glumis Ion- 2 STAMINA: three Filaments, thread-like, longer 

 giora : Antherje utrinque bifurcae-, fig. 6. | than the glumes : Anthers forked at each 



J end, fig. 6. 



PISTILLUM : Germen ovatum : Styli duo, ad bafin | PISTILLUM : Germen oval : Styles two, branched 

 ufque ramofi, fig. 7. % down to the bottom, fig. 7. 



NECTARIUM: Glumulje duae ad bafin germinis, | NECTARY : two little Glumes at the bafe of the 

 fig. 8, audi. f germen, fig. 8, mgnified. 



r * 



SEMEN angulofum, acuminatum, bafi lanugine inftruc- $ SEED angular and pointed, at bottom wooly, of its 

 to, fig. 9. nat. mag. fig. 10, audi. 3r natural fize, fig. 9; magnified, 7^ 10. 



THE Poa pratenfis and Poa trivialis approach very near each other in their general appearance, fo much fo, 

 indeed, that the botanift who is intimately acquainted with them, cannot, if he fees them grow together, 

 difcriminate them at a little diftance ; and the charadlers from which modern botanifts have drawn their fpe- 

 cific differences, have been fo vague and indeterminate, that the ffudent is never able to fatisfy himfelf whether 

 he has found the one or the other; yet there are not two grafles which afford more obvious or fatisfadlory 

 marks of diftindlion. The difficulty which I have experienced myfelf in the inveftigation of thefe two plants, 

 has made me exceedingly attentive to them; and what I relate is the refult of repeated obfervations, joined 

 to a careful culture of them, 



Thefe 



