88 Lloyd and Tracy: The insular Flora 



paspaL 



One locality on Ship Island. 



plicatnlnm Michx. Abundant on rich, damp soil, Ship, Cat 



and Breton Islands. 



P. setaceum Michx. Common on the larger islands. 



P. Vaseyanum Scribn. Port Eads. Has been found by one 

 of the writers (S. M. T.) at New Orleans and Mobile, but not else- 

 where along the coast. 



Phragmitcs Phragmites (L.) Karst. Occasional on wet soil on 

 nearly all of the islands, and the most common species on the low 

 mud flats, from Cubit's Gap to the mouth of the river, often grow- 

 ing in the edge of the water and producing floating, proliferous 

 canes from five to eight metres in length. The predominant species 

 on the low, newly-formed land near the jetties. 



Spartina junciformis Engelm. & Gray. Entirely confined to 



the Gulf coast. 



t-S. patens (Ait.) MuhL, \ S. poly stocky a (Michx.) E1L, 



* 



t?& striata (Ait) Roth. All of these species were 



found 



very abundantly on nearly or quite every island and locality 

 visited, S. patens and strict a being the more common species in 

 the interior of the islands, while the others are confined principally 

 to within a few meters of the beach. 



* Sporobolus Indicus (L.) R. Br. Rare on the larger islands; 

 abundant on made ground, from South Pass to Port Eads. 



S.junceus (Michx.) Kunth. Not rare on dry knolls, Cat and 

 Breton Islands. 



5. Virginicus (L.) Kunth. On sandy beaches just above tide, 

 often forming a dense sod-like growth. 



Stcnotaphrum sccundatum (Walt.) Kuntze. Occasional on 

 Breton Island and at South Pass. 



5. filiforme (L.) Nash. Abundant on Cat Island, spikes often 

 3 dm. in length. 



Syntherisma fimbriatum (Link) Nash. On dry beaches, Cat 



Island. 



ifl 



common 



Cat and Breton Islands. 



5. sanguiuale (L.) Nash. Common everywhere except on 



muck marshes. 



Triplasis Americana 

 pine woods, Cat Island. 



Occasional on dry, sandy soil in 



