102 FLORA OF ST. CEOIX AND THE VIRGIN ISLANDS. 



847. Pappophoium alopccuroides, Vahl. 



Fl. Feb.-March. l'-3' high. Among rocks near the coast, rare. 

 Buck Island, near St. Thomas $ Virgin Gorda (Vahl in Syrnb. Bot. iii, 10). 



848. Bouteloua litigiosa, Lag. 



Fl. Oct.-Jan. Anthers red ; stigmas white. In thickets and waste 

 places, not uncommon. St. Thomas (CowelFs Hill Town). 



849. Leptochloa mucronata, Kth. 



Fl. May-Oct. Spikelets often 1-flowered. Along ditches, not un- 

 common. St. Croix. 



850. L. virgata, P. Br. a), 0) gracilis, Ns., and 7) luultiflora, Egg. 



Fl. May-Dec. Anthers white ; stigmas purple. Y) spikelets 9-flow- 

 ered. Awns very short ; fertile glumes not ciliate. Along roads, com- 

 mon. a) and /?) all islands $ Y) St. Croix (Work and Best). 



851. Chloris eleusinoides, Gris. 



Fl. May-ETov. Along ditches, here and there. St. Croix (Beeston 

 Hill, Mount Welcome). 



852. Ch. radiata, Svr. 



Fl. May-Oct. Stigmas brown. Gregarious along roads, common. 

 All islands. 



853. Ch. ciliata, Sw. 



Fl. Feb.-Sept. Anthers rosy. My specimens show only one sterile 

 flower in each spikelet besides the fertile one (see Swartz's Flora Ind. 

 Occ. p. 189). Along roads, not uncommon. All islands. 



854. Dactyloctenium segyptiacum, \V. (v. Ten-per-cent Grass). 



Fl. March-No v. Anthers straw-coloured 5 stigmas white. A good 

 pasture-grass. Along roads and in fields, common. All islands. 



855. Eleusine indica, L. 



Fl. March-Dec. Anthers greyish ; stigmas purple. Common every- 

 where. All islands. 



/ 



856. Cynodon Dactylon, Pers. (v. Bay Grass, Billy Grass). 



Fl. May-Oct. Anthers straw-coloured, with purple spots; stigmas 

 purple. A good pasture*- grass, and fit for making good hay, but at the 

 same time a most troublesome weed in cane-fields on account of its long 

 and creeping rhizome. Said to have been introduced. Along the coast 

 and in fields, gregarious. St. Croix and St. Thomas (very common) 5 St. 

 Jan (uncommon, Little Plantation). 



