Mr LOWE, ON MADERAN BOTANY. 531 



Ciilmi pedales, tenues, teretes, erecti, glabri, paullo infra paniculam 

 c-ontractam puberuli, foliis breviores, baud geniculati, nodis demum fuscis. 

 Folia nuinerosa, conferta, elongata, omnia subsetacea, tenuia, gracilia, 

 rigidiuscula, glabra, striata; superiora sursum subplanata, subcanallculata! 

 Glum« inaquales, Ijeves; altera spicule subfequans, altera brevior. Flores 

 glabri; basi tantum laves, sursum aristisque scabri ; arista flore longior. 

 Pedicelli simpliciusculi, sc. sursum vix subdilatati, euneati, ancipites; 

 baud vero magis quam in multis aliis, 



13. Festuca Donax, nob. Prim, in Trans. Cam. Phil Soc. iv. I. p. 9. No. 9. 

 (Character auctus, emendatus). 



F. paniculfe glabrse, largie, laxa?, diffiisa?, subsecundae, nutantis ra- 

 mis elongatis, flexuosis : spiculis trifloris, lineari-lanceolatis, compressis, 

 glomeratis; flosculis muticis linearibus, angulatis, scabris ; glumis subte- 

 qualibus, spiculam aquantibus: paleis apice membranaceis, obtusis, ab- 

 ruptis, subbifidis, nervis prominentibus ; exteriore quinquenervia, nervis 

 aiquidistantibus ; interiore binervia, dorso canalieulata : foliis omnibus 

 planis, elongatis, acuminatis, striatis, marginibus serrulato-scabris ; culmis 

 vaginisque Ijevibus, glabris ; ligula exserta, ovata : radice fibrosa, perenni. 



The nearest ally of the species is F. sylvatica Vill. {F calamarm 

 Sm.) 



14. Festuca albida, nob. Prim, in Cam. Trans, iv. I. p. 10. No. 10. 

 «. longifolia; foliis culmum sequantibus. 



/3. hrevifolia ; foliis culmo multum brevioribus. In rupibus nuper invenit 

 C. Lemann, M. D. 



CyPERACEjE. 



15. Carex sagittifera, nob. 



C. spica solitaria, androgyna, ( ? , superne i ), subpauciflora : stig- 

 inatibus duobus : fructibus oblongis, utrin(iue attenuatis s. fusiformibus, 

 planatis, glabris, nitidis, reflexis, squama acuta, oblonga, persistent^ 

 longioribus: culmo subtereti, superne subcompresso, hinc subcanaliculato : 

 folus angustissimis, elongatis, superne canaliculatis, inferne carinatis; 

 carina marginibusque serrulato-scabris. 

 Vol. VI. Part III. .j \ 



