FLORA NIGRITIANA. 547 
4. Aneilema simplex, Kunth, Enum. 4. D. 71,—Acera, Don.— 
The specimen is very imperfect, but appears to belong to the 
species described from Guinea by Vahl and Thonning. 
The A. Africanum, Beauv., and A. equinoctiale, Beauv., both 
from Benin, are not among our collections. 
CXV. RzsrIACEX. 
l. Eriocaulon rivulare, G. Don, in Herb. Soc. Hort. Lond., 
acaule, foliis lato-linearibus, vaginis glabris, pedunculis folia 
superantibus, capitulis depresso-globosis albo-hirtis, bracteis 
involuerantibus obovato-orbieulatis subhyalinis glabris sub- 
ciliatisque capitulo multo brevioribus flores stipantibus cu- 
neatis acutis floribusque apice ciliatis, floribus masculis hex- 
andris, sepalis alte connatis, petalis uniglandulosis, fomineis 
trigynis sepalis petalisque distinctis, seminibus leviter striatis 
glabris.—In a rivulet near Freetown, Sierra Leone, Don. 
Rhizoma simplex, crassum. Folia in aqua submersa, in altero 
specimine 3-4 poll. longa, 2-3 lin. lata, in altero 8-10 poll. 
longa, 3.4 lin, lata, subtiliter fenestrato-multinervia. Scapi 
in sicco compressi et tenuiter striati, folia paullo superantes. 
Capitulum circa 4 lin. diametro, primo intuitu ei E. de- 
Cangularis simile. Bractee involucrantes pauciseriate, pal- - 
lide, fere hyaline, $ lin. longe, multo tenuiores et minus 
Conspicuz quam in speciebus affinibus: Indicis; interiores 
hyaline, uti sepala petalaque apice pilis albis dense ciliate, 
flores equantes, lineam longs. Flores centrales masculi, in 
ambitu foeminei pluriseriati, omnes breviter pedicellati. | Se- 
Pala anguste cuneata, in medio stipite inserta, marium fere 
ad apicem in calycem breviter trilobum connata, foeminum 
distincta. Petala immediate sub genitalibus inserta, marium 
staminibus breviora, foeminum longiora latioraque eglandu- 
loa. Filamenta tria petalis opposita tribus alternis. sub- 
longiora; anthers globose, didym:e. - Ovarium sessile, stylo 
ad medium trifido, Semina } lin. longa. . 
2. Eriocaulon radicans, Benth. ; subacaule, foliis longe lineari- 
bus gramineis intimo pedunculum vaginante, capitulo hemi- 
NN2 
