COLONEL MUNRO'S MONOGRAPH OF THE BAMBUSACEiE. 13 



Sectio I. TriglosS/E. Confr. Supra, p. 11. 



Conspectus Gene rum, 



Subsectio I. Arundinarije. Spiculse siirsum impcrfectae. Stylus 2-3-fidus. 



Culmi teretes. Glumse fere semper pauciiuTviae. Stylus cito supra basin 



2-3-fidus. 

 Folia venulis tranversis nullis vel conspicuis. Inflorcscentia s;epc sini])lex 



vel raro composita, ramis ultimis nuuquam basi bractcis longifl vclatis 1. Arunduuiria. 



venul 



Intiorescentia panicula ramosissima 



ultim 



2. Tliamnocalamus. 



Culmi semiterctes. Glumse multinerviae. Stylus longe supra basin 3-fidus. 

 Folia venulis transversis conspicuis. Paniculse ramis altcrnis basi brae- 



teatis, fflumis apice foliaceis imbricatis . . 



3. Phyliostachys. 



Merostachijs would be placed in this subsection by such authors as consider the twe 

 lower barren flowers to be glumes. 



Subsectio II. ArthrostylidijE. Spiculae sursum deorsumque imperfectpe. Stylus fere ad basin bifidus 



Venulis transversis nullis. Spiculae multiflorae. 



Spicule fere cylindrical, pedicellatae vel sessiles, in racemo simplici vel pa- 



niculato dispositaj 4. Arthrostylidium. 



Spiculee compressse, in panicula ramosissima laxe divaricata ... 5. Aulonemia. 



Venulis transversis subtus prominulis. Panicula subspicata. 

 Spiculse 2-3-flora3 glumis obsoletis 



6. Merostachys. 



Subsectio III. Chusquea:. Spiculse dcorsum imperfecta?, 3-florae. Stylus cito bifidus. 



Culmus nodosus, foliis angustis basi articulatis 



7. Chusquea. 



Culmus herbaceus enodosus, foliis latis basi inarticulatis .... 8. Platonia. 



The structure of the spiculse in these two genera approaches very closely to that 

 of Paniceous grasses ; and, what is still more remarkable, the inflorescence of several 

 species both of Chusquea and Platonia bears such a great resemblance to certain species 

 of Panicum that they might very readily be mistaken for them by casual observers. 



1. AltUNDINARIA. 



Michaux, Fl. Bor.-Amer. i. 74 (1803). Miegia, Pers. Syn. PI. i. 101 (1805). Ludolfia, Willd. in 



Bcrl. Verh. (1808), 320. Triglossum, Fisch. in Catal. Hort. Gorenk. (1812). Macronax, Bafin. in 



N. Y. Med. Rep. v. 350. 



ula sursum imperfecta, intra glumas breve pedicellata, 3-5-12-flora, rhachiUa articulata, flosculis 

 imbricatis distichis distantibus (nisi 1-2 terminalibus) tabescentibus, omnibus bipaleaceis hernia- 

 phroditis vel rarissime infimo masculo. Glumce valde variabiles, acutae vel 



obtusse, interdura 



mum 



Pa lea 



inferior acuminata vel acuto-mucronata, concava, multinervia, glabra vel hirsuta, membranacea, supe- 



\ vel superans. Stamina 3, brevia. Squa- 

 v, ciliatre, acutae vel obtusie. Stylus basi 

 divisus. Caryopsis ovalis vel oblonga vel 



guste 



membr 



integer cito in stigmata 



osa 



etiuscula, postice sulco 

 , culmo tereti, suflrutico 



