24 FIELD COLUMBIAN MUSEUM BOTANY, VOL. 2. 



(306). Leaves 35 x 11.5 cm., flowering scapes i meter, fruit heads 

 flattened globose, 1.5 cm. diam. 



ECHINODORUS CORDIFOLIUS (Linn.) Griseb. Goett. Abh. 7: 257. 



Alisma cordifolia Linn. E. rostratus Engelm. In drying mud, 

 margin of the lagoon south of Progreso, Yucatan (1692). A special 

 growth of the unusual rainy season. 



GRAMINACE^:.* 



Coix LACHRYMA-JoBi Linn. Sp. PI. 972. 



Roadside ditch near Caguas, Porto Rico (233), and in same situa- 

 tion near Port Antonio, Jamaica (976). 



SORGHUM VULGARE Pers. Syn. PI. i: 101. 



A variety of the species, but with insufficient material to charac- 

 terize, gathered in open plateau near the sea on the south shore of 

 Cayman Brae (1224). 



ANTHEPHORA ELEGANS Schreb. Gras. 2: 105, t. 44. 



Sandy field near Spot Bay, Grand Cayman (1269). 



PASPALUM CILIATIFOLIUM MX. Fl. Bor. Am. i: 44. 



On a dry hummock in a bog near Paget's, Bermuda (65). Spike- 

 lets 2 mm. long, ovate-elliptical obtuse, with 3-nerved outer glumes. 



PASPALUM FIMBRIATUM H. B. K. Nov. Gen. et Sp. i: 93. 

 Roadside near Port Antonio, Jamaica (944). 



Paspalum paniculatum minor Scribn. var. nov. 



Culms slender, about 4 dm. high; spikes 3-20, 1-2 cm. long; 

 leaves about 6-10 cm. long, 5-10 mm. wide. 



Dry field near Port Antonio, Jamaica (983), and roadside in 

 Georgetown, Grand Cayman (1406). 



Paspalum Schaffneri (Fourn.) Scribn. comb. nov. Plate Ivi. 



Dimorphostachys Fourn. Mex. PI. 2: 15. Sandy pathway in open 

 woods, northwest shore, island of Cozumel (1480). Ex. char, agrees 

 with no. 803 coll. by E. Hall in eastern Texas, 1872. 



PANICUM BARBINODE Trin. Mem. Acad. Pet. 1835: 256. 



Slopes of dry hills near Bayamon (324), and along road through 

 Guanica (727), Porto Rico. 



PANICUM COLONUM Linn. Sp. PI. 84. 



Fields and pastures near La Mueda (214), railroad embankment 

 near Bayamon (335), and ditches along the Guanica highway (732), 

 Porto Rico. Fields along the south shore of Culebras Island (569). 



PANICUM COMPACTUM Sw. Griseb. Fl. Br. W. I. 552. 



Margin of a well at Chan Tzonot, Yucatan (1639). 



No. 984 from ditches near Port Antonio, Jamaica, is apparently 

 this species but is possibly referable to P. lanatum Sw. 



*By Prof. F. Lamson-Scribner. 



