552 FLORA NIGRITIANA. 
1. Mariscus umbellatus, Vahl.—Kunth, Enum. 2. p. 118.— 
Cape Coast, Don ; Sierra Leone and on the Quorra, Vogel ; 
Senegal to Benin, South Africa, and Asia. 
Another species, M. alternifolius, Vahl, has been described 
from Guinea. 
l. Kyllingia aphylla, Kunth, Enum. 2. p. 127.—Sierra Leone, 
Vogel, Don; Grand Bassa, Vogel, Ansell; on the Nun, 
Vogel.—Senegal to Benin and Tropical America. 
2. Kyllingia monocephala, Linn.—Kunth, Enum. 2. p. 129.— 
Sierra Leone to Fernando Po, Vogel, Don, and others. A 
common Tropical species. : 
3. Kyllingia polyphylla, Willd.— Kunth, Enum. 9. p. 185.— 
Bassa Cove, Ansell, Vogel ; Cape Coast, Don. Very closely 
allied to the Hast Indian K. gracilis, and K. cylindrica, as 
well as to some of the Brazilian species, and possibly a mere 
variety of K. monocephala, with elongated heads, and more 
unequal inner squam:e. 
In both the above species, two lateral heads are very fre- 
quently developed among the more vigorous of the African spe- 
cimens, or on the luxuriant stems of tufts, where they are 
generally monocephalous. The form of the seeds as well as 
their number, the relative proportion of the two inner squame 
of the spikelets, the cilie on the dorsal rib of these squam®, 
and the number of stamens, from one to three, are exceedingly 
variable in different spikes of the same plants; and it appears to 
me, that many of the species established on similar characters, 
are but mere varieties of K. monocephala. 
I have seen no West African specimens answering the cha- 
rater of K. triceps, common in other Tropical regions. The 
K. bulbosa, Beauv., from Benin, is probably a mere variety of 
K. monocephala, which has often a tendency to thicken the 
base of the stem. The K. squamulosa, Vahl, K. dipsacoides, 
Schum. et Thonn., and K. erecta, Schum. et Thonn., all three 
from Guinea, are unknown to me, and may be distinct. 
l. Remirea maritima, Aubl.— Kunth, Enum. 2. p. 139.—Sierra 
Leone, Don; sea-coast of West Tropical Africa and East 
Tropical America. 
