104 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



870. D. setigera, Kunth. 



11. Juiie-Oct. Aiitliers aud stigmas purple. Along roads, commoii. — 

 All islands. 



871. Eriochloa punctata, Hamilt. 



Fl. Marcli-Sei)t. Anthers brownish; stigmas black. In moist locali- 

 ties, here and there. — St. Croix (Crequis, La Grange); St. Thomas 

 (SchL). 



872. Stenotaphium americanum, Schrauk (v. Horse Grass). 



Fl. May-Ang. Anthers orange-coloured ; stigmas purple. Along tlie 

 coast and in moist localities, gregarious, common. — All islands. 



873. Orthopogon setarius, Spreng. 



Fl. March-Dec. Anthers light purj)le ; stigmas purple. In forests, 

 common. — All islands. 



874. Pauicum paspaloides, Pers. 



Fl. March-Sept. Anthers reddish; stigmas straw-coloured. The 

 hermaphrodite flower in this and all other si)ecies of Panicum is proter- 

 androus, the stamens dropping off before the stigmas appear. These 

 latter are then fertilized by the agency of the wind from other individ- 

 uals before the stamens of the male flower make their appearance, self- 

 fertilization being thus evidently impossible. Along rivulets and in 

 moist localities, not uncommon. — St. Croix ; St. Thomas. 



875. P. brizoides, L. 



St. Thomas (Schlechtendal). 



876. P. colonum, L. 



Fl. March-Sept. Anthers purple; stigmas black. Along roads and 



ditches, common. — All islands. 

 « 



877. P. prostratiim, Lam. a) and 0) pilosa, Egg. 



Fl. June-July. Anthers orange-coloured; stigmas black. /3) Ehacliis 

 of spikelets pilose. — a) All islands (common); (3) St. Croix (La Grange). 



878. p. fuscum, Sav. (v. Sour Grass), a) aud /?) fasciculatum, Sw. 



Fl. Feb.-Sept. Anthers orange-coloured ; stigmas purple. Abhorred 

 by the cattle.— «) All islands. ,« ) St. Croix ; St. Thomas (Schlechten- 

 dal). Not uncommon. 



879. p. molle, Sw. (v. Yerba de Parii, Spanish Grass). 



Fl. May-Oct. Anthers yellow; stigmas purple. Naturalized here 

 and there in i^astures. — St. Croix (Cotton Grove). 



