FEB. 1907. FLORA SAND KEYS OF FLORIDA MILLSPAUGH. 229 



GARDEN KEY 

 MARCH 22, 1904 



b 



I 



Arharanthus viridis (2521) 4^ 



Argemone leiocarpa (2531) $ 



Atriplex cristata (2522) s 



Bidens leucantha (2506) 



Boerhaavia viscosa (2530) # 



Cakile fusiformis (2517, 2526) ~D 



Canavalia obtusifolia (2516) P 



Capraria saxifragaefolia (2501) T 

 Cenchrus echinatus (2512) 



Cenchrus tribuloides (2511) A 



Cyperus brunneus (2529) B 



Euphorbia adenoptera (2502) U 



Euphorbia buxifolia (2523) G 



Euphorbia havanensis (2536) f 



Eustachys petraea (2504) K 

 Heliotropium curassavicum (2509) >|c 



Hymenocallis caribaea (2514) I 



Ipomoea pes-caprae (2518) 

 Iva imbricata (2520) 

 Lithophila vermicularis (2527) 

 Melanthera nivea (2505) 

 Opuntia Dillenii (2537) 

 Paspalum distichum (2528) 

 Portulaca oleracea (2503) 

 Sesbania sericea (2519) 

 Sesuvium portulacastrum (2524) 

 Sida carpinifolia (2515, 2535) 

 Sida diffusa (2534) 

 Sonchus oleraceus (2499, 2533) 

 Sporobolus purpurascens (2507-8) 

 Suriana maritima (2532) 

 Syntherisma fimbriatum (2510) 

 Tournefortia gnaphalodes (2513) 

 Uniola paniculata (2525) 

 Valerianodes jamaicensis (2500) 



Garden Key, the central islet of the group, is almost wholly 

 occupied by the structure and outbuildings of Fort Jefferson, leaving 

 to natural vegetation only a small sandy point to the northeast and a 

 somewhat larger one to the south of the walls of the fortress. Within 

 the bastion walls, near the officers' quarters, have been planted about 

 thirty trees of Avicennia nitida, one Tamarindus indica, and a number 

 of individuals of Catappa catappa, the balance of the enclosed area 

 being devoted to a parade ground. On the western edge of this parade 

 are a few clumps of Hymenocallis caribaea; on the parade itself a few 

 plants of Sida carpinifolia; in the waste space back of the officers' 

 quarters several clumps of Sida diffusa; and within the walls of a ruined 

 powder magazine a few plants of Sonchus oleraceus. 



The small area of natural islet northeast of the base of the fortress 

 walls supports an intermingling of the following species: Paspalum 

 distichum, Cakile fusiformis, Sesuvium portulacastrum, Sporobolus pur- 

 purascens, Uniola paniculata, Tournefortia gnaphalodes, Suriana marilima, 

 Euphorbia buxifolia, Cenchrus echinatus, Syntherisma fimbriatum, and Iva 

 imbricata. This vegetated area is bordered on the east by a complete 

 line of Cenchrus tribuloides and Cyperus brunneus. 



The southern projection of the key presents the most interesting 



