AUG. 1900. 



PLANTVE UTOWAN^E MILLSPAUGH. 



127 



American seaboard forms of C. Americana, C. fusiformis, and C. 

 Cakile, to be C. maritima. 



Habitat : The northern shores of the Gulf of Mexico, especially 

 the Texas coast. 



Specimens examined: Enterprise, Florida, Canby; Galveston, 

 Texas, Lindheimer; Matamoras, Texas, Berlandier 3103 the type; and 

 Brazos de Santiago, Texas, Neally 149. 



Cakile geniculata x edentula hyb. nov. 



A form with greatly enlarged 2-seeded lower joints, as long or 

 longer than the upper, and strongly ribbed, was collected in 1893 on 

 Staten Island, New York, by Mr. T. H. Kearney. This strongly 

 suggests a ballast plant of C. geniculata tainted by crossing with 

 the native C. edentula. 



CAKILE FUSIFORMIS Greene, Pitton., 3:346. 



Silique slender, elongated fusiform, curved, 2.1 cm. long, the 

 articulation horizontal and un- 

 lipped. Upper joint pugiform, 

 1.3 cm. long, gradually tapering 

 from the swollen base; seed 

 light-amber, elongated and but 

 slightly flattened, 4.4x2 mm. 

 Lower joint cylindrical-fusiform, 

 .8 cm., often 2-seeded; seeds 

 when two 4. 7 x 1.8 and 3. 5 x 1.8 

 mm.; when single 4.6x1.9 mm. 

 These characters are drawn 

 from the type of which Prof. 

 Greene says: "lower joint ster- 

 ile." 



Leaves thin, 5-8.5 cm., tapering to a very slender petiolar base, 

 deeply and irregularly pinnatifid, the segments linear-oblong, obtuse. 



Habitat: From the Florida Keys to Cape Corientes, Cuba. 



Specimens examined: Salt Pond Key, off the coast of Florida, 

 Pollard 19, sheet 330019 Herb. U. S. Nat. Mus., marked "type" by 

 Prof. Greene; Marquesas Key, Florida, Curtiss 198 and 5; Key 

 West, Florida, Blodgett, Binney; Knight's Key, Florida, Curtiss 5645 ; 

 Coon Key, Florida, Simpson, 242; Sanibel Island, Florida, Webber 

 177 ; Indian river, east Florida, Palmer 12; Dog Key, Mississippi, 

 Phares; and Cape Corientes, Cuba, Millspaugh 1463 (see p. 43 under 

 C. maritima). 



CAKILE AMERICANA Nutt. Gen. Am., 2:62, first part of descr. 



C. maritima Americana T. & G. in part, referring to specimen 

 collected on Long Island, New York, by Dr. Torrey. 



Silique slender, 2 cm. long, with a horizontal articulation. Upper 

 joint ovoid, long and slender pointed, 8-angled, 1.2 cm. long, nearly 

 circular in section, walls thin; seed oblong, 4.6 x 2.2 mm., but slightly 

 compressed. Lower joint truncated-fusiform, .8 cm., quadrate in 

 section, very thin walled; seed 4. i x 1.6 mm. 



