348 Mr. J. Ball on the Botamj of Sicily. 



Dactylis glomerata, L. 



, /3. glaucescens, W. 



, y. hispanica, W. These supposed species are cer- 

 tainly mere forms of a common type ; they are all found in Sicily. 



• dlsticha, nobis*. Near Palermo, J. B. 



Utoralis, W. Marshes near Catania, Gussone. 



repens, Dsf. Salt marshes at Spaccaforno and Cape Passaro, 



Gussone. 



Dactyloctenium jEgyptiacum, W. Near Palermo, sp. in Herb. nost. 

 Cynosus cristatus, L. 



echinatus, L. Very common. 



elegans, Dsf. Madonie, Castrogiovanni, Gussone. 



Lamarckia aurea, Moench. This beautiful species is not uncommon. 

 Pennisetum distylum, Gussone. Lower part of the Monte Pellegrino, 



Palermo, Gussone. 

 Festuca expansa, Kunth (Poff divaricata, W., Bert.). Salt marshes 



of Trapani. 

 divaricata, Dsf. (Triticwn divaricatum, Bert. ^. Sea-coast in 



various places, J. B. sp. 



maritima, DeC. Gall. {Triticum maritimum, L., Bert.). St. 



Alessio, J. B. sp. ; coast at Capaci, Gussone. 



rigida, Kunth. Common, J. B. 



distans, Kunth {Poa distaiis, L., Bert.). Palagonia, Gussone. 



— , /3. {F. thulassica andi^. Hostii, Kunth, Poa ?naritima. 



Huds,). The above species form a very natural group which can 

 scarcely be well separated into different genera. 1 agree with Ber- 

 toloni in believing that there are intermediate forms connecting 

 Poa distans, L., and P. maritima, Huds., though the opposite opi- 

 nion is held by high authority. 



unioloides, Kunth (Triticum unioloides, Vahl, Bert.). Near 



Palermo and Termini, Gussone 



Poa, Kunth {Triticum tenellum, L., Bert.). Sicily, J. B. ? 



rottboellioides, Kunth {Triticum loliaceum, Sm., Bert.). Near 



Messina, J. B. sp. 



tenuicula. Link {Triticum festucoides, Bert. i. 808). On vol- 



canic sand in the lower region of Etna, J. B. sp. This is I sup- 

 pose the T. hispanicum of Mr. Hogg. The whole group still re- 

 quires some careful study and the examination of living specimens, 

 as both the natural limits of the species and the synonymy are in 

 great confusion. 



Sicula, Psl. Hills of Floresta and Val di Mazzara, Gussone. 



Michelii, Kunth {Kceleria macilenta, DeC, sec. Bertoloni). 



Sands of Vittoria, Gussone. 



Ugustica, Bert. Frequent, J. B. sp. 



geniculata, W. Sea-coast, Jan. 



uniglumis, Sol. Messina, &c., J. B. sp. 



myurus, L. 



1. {F. bromoides, L.). Both are common. 



ciliata, DeC. St. Alessio, J. B. sp. 



* It may turn out that this is the Wangenheimia disticha of Moench {Cy- 

 nosurus Lima, L.). I have not seen specimens of a good description. 



