These Palms are- Sylvester Date Palm Tree Profile
Scientific name:Phoenix sylvestris
Common names: The Sylvester Date Palm is also known as Sugar Date Palm, India Date Palm, Silver Date Palm, and Wild Date Palm.
Family: Arecaceae
Origin: It is native to India.
Appearance: It has a lot of similar characteristics with True Date Palm (Phoenix dactylifera). It has a solitary robust trunk, with interesting diamond pattern created by leaf scars. The Sylvester Date Palm requires some maintenance trimming old dead leaves that tend to make “skirt”. Trunk is swollen at the base, about 13-18 inches in diameter.
Without crownshaft 90-100 large pinnate, feather-shaped, leaves emerge at the top of the trunk. Leaves are about 10-15ft long, silver or blue-green color, slightly curved, with 100-120 sharply pointed at the end leaflets. Leaflets are 1-1.5ft long by 1-2 inches wide and arranged in groups of 2 or 3, often cross-crossing. Petioles have are about 3ft long, armed with long spines.

The one on the far right is a queen palm.

Sorry this is a Royal Palm Tree

Scientific name:Roystonea oleracea

Common names: Royal Palm Tree is also known as Royal Palm, Cuban Royal Palm, Florida Royal Palm.

Family: Arecaceae

Origin: Roystonea oleracea is native to Cuba and North America.

Appearance: It has a single smooth gray trunk that is covered with scars from old leaves. Dark green arching fronds emerge from a bright green crownshaft. Pinnate, or feather-like, fronds grow up to 6-10ft long.

Flowers/Fruits: Fragrant, yellow flowers bloom in the summer. Evergreen leaf-blades reaching 18 to 36 inches top a crown shaft that is long and green. Purple to black half-inch fruits are showy but not edible.

Growth Rate: Moderate. The Royal Palm can get up to 60 – 70ft tall and 5 -10 ft wide with a growth rate of around a foot each year.

The 3 in the center are Sylvester Date Palm. http://aqualityplant.blogspot.com/2010/10/phoenix-sylvestris-sylvester-palm.html

Royal Palm Trees are tall and straight http://www.palmtreepassion.com/royal-palm-tree.html#.WP3sdo61sUE