notanique. S T l P t. 35 



vlorcs, nunc longiorcs. Spiculae sub triliiieales. (iluiuue palulac, 3 ner 

 ves, fere aequales, infcrlor tamen noiiniliil brcvior, aut (rarius) iitraque 

 acutissima, aut altera I. iitraque brevicaudulata, caiidula scnillineali: ca- 

 rina nunc glahra, nunc scabra. Idlvulae deciduae, inferior callo insidcns 

 circumcirca piloso (jwlis valviiia qiiinqiiics brcviorlbus) ct ipsa nunc 

 dissitc, nunc dcnsius pilosa, apicc obtuso pilos eniittens ercctos valvula 

 circltcr quadruplo I. quintuplo brcviorcs : valvula snperior inferictre 

 quarta quiiitavc partc brcvior, apice obtusiusculo brevissime pllosa^ dis- 

 site binervis. Lodiculae sqq. 3, una latlori et ovarium pauUo superante. 

 Slani. 21, anllieris lincaribus. 



A. Stipa miicronala Tlb. saltem Willd. ut vldctiir slmllliina differt : 

 arlsla mulla tcnulorl^ qiildpiam lont^Iorl, gliimls sctlgcrls (non breve 

 mucronatls), angustiorlbus, ncc margine lato hyalino superne cinctis. 

 t 11. SUpa coerulea Presl Ilel. Hank. 1. (1830) p. 227. Paniculae simpli- 

 cis radiis binis ternisve, patulis, fasciculatls, uno longiori multlfloro, 

 rcliquls brevibus unifloris: glumls acqualibus, ovatis, acuminatis 

 1. mucronatis, cocruleis, 3 Ilneallbus : flosculo glumis acqullongo 

 vel paullo breviore, fusco, pills rufis obsito, coronato; arista tor- 

 tili, fusca, scabriuscula, 7 hnvali. 

 Mexico. (Hiinke) 



"Affinls Stlpae fimbriatae, scd oninino dlversa. Radix caespitosa, 

 fibrosa. Culmus erectus, strictus, nodo infimo subgeniculatus, teres, ses- 

 quipedalls, crassitie pcnnae columbinae; nodis riifo-fuscls, pllosis. Fa- 

 ginae striatae, Internodlls paullo breviores, inferiores glabriusculae, su- 

 periores scabrae. Li^ula cxscrta, triincata, integerrlma. Folia convoluta, 

 setacea, inferne scabra, superne glabriusciila, flacclda, arcuata, culmuin 

 supcrantia. Panicnlae rachis et rami obluse angulati, scabri. Glumai'. 

 margine nicmbranaceae, dorso rotundatae, nec carinatae, glabcrrimac, 

 inferior 5 nervis, superior 3 nervis. Stipes JloscuU dcnsQ riifo-pilosus; 



5 



