AUG. igoo. 



PLANTS 



MILLSPAUGH. 



FlMBRISTYLIS FERRUGINEA (L.) Vahl. Enum. 2:2gi. 



Scirpus ferrugineus Linn. 



Fimbristylis stans Spr. 



Fimbristylis spadicea in part, Britton, on page 29. 



Bracts about 3, leaf-like, 1-3 qm. long. Inflorescence umbellate 

 several rayed with one spike 

 sessile; rays 2-3 cm. long; spikes 

 ferrugineous, ovoid, obtuse, 8-10 

 x 4-5 mm., sometimes continu- 

 ing to grow and fruit at the apex 

 after the lower scales and ach- 

 enes have fallen, making entire 

 length of rachis nearly 2 cm. ; 

 bractlets short, setaceous, scales 

 ferrugineous with green midrib, 

 ovate, subacute, apiculate, upper 

 part minutely pilose, 3-timesthe 

 length of the achene. Style twice the length of the achene, broadly 

 flattened and villous below the forking. Achene pale-brown, obovoid r 

 i.i x 1.4 mm., in section irregularly lenticular, the dorsum gibbousj 

 surfaces faintly marked by longitudinal rows of laterally elongated 

 hexagonal reticulations. 



Moist meadow at Catano, Porto Rico (193); ditches in the environs 

 of Charlotte Amalia, St. Thomas (429); on the borders of a brackish, 

 lagoon near the north shore of Cozumel Island (1594). 



FIMBRISTYLIS SPADICEA (L.) Vahl. Enum. 2:294. 

 Scirpus spadicens Linn. 



Bracts 3-4, l,eaf-like, scabrous on the margin, 13-25 cm. long-. 



Inflorescence a compound um- 

 bel, rays 1-6 cm. long; second- 

 ^- ary umbels of 3-9 spikes; spikes 

 chestnut, ellipsoidal, subacute, 

 4x10 mm., continuous at the 

 apex as in F. ferruginea; bract- 

 lets short, setaceous; scales 

 chestnut with green midvein, 

 chitinous, broadly ovate, obtuse, 

 subapiculate, 3-times the length 

 of the achene. Style twice the 

 length of the achene, villous 

 throughout. Achene dark-fuscous, truncate-obovoid, .95x1.1 mm., 

 in section lenticular, the dorsum strongly gibbous; surfaces promi- 

 nently marked by longitudinal lines composed of rows of broad reticu- 

 lations enclosing deep oblong pits. 



Moist meadow at the Port of Ponce", Porto Rico (664). 



HELEOCHARIS R. Br. 



Fertile flowers bi-sexual. Scales many, spirally imbricated, 

 lower empty and bracteate. Bristles 7, subequal to the achene, 



