188 
WILLIS : PODOSTEMACBÆ 
second of these, as we shall see, is not essentially different 
from the first, but the third is a very distinct form. He 
erects the very remarkable species Podostemon selaginoides, 
Benth., into a new genus Willisia, re-instates Dicræa, and 
retains Hydrobryum. 
GoebeP' has described Lawia f oliosa from material collected 
at Khandala. 
Hooker,t in his Indian Flora, accepts the following 
Podostemaceæ : — 
Terniola zeylanica, TuL 
pulchella, Tul. 
Lawii, Wedd. 
longipes, Tul. 
pedunculosa, Wedd. 
f oliosa, Wedd. 
ramosissima, Wedd. 
Hydrobryum Griffithii, Tul. 
Podostemon dichotomus, Gare 
stylosus, Benth. 
elongatus, Gardn. 
algæformis, Benth. 
subulatus, Gardn. 
Hookerianus, Wedd. 
Johnsonii, Wedd. 
olivaceus, Gardn. 
acuminatus, Wedd. 
microcarpus, Wedd. 
Wallichii, E. Br. 
pterophyllus, Benth. 
minor, Benth. 
selaginoides, Benth. 
Ceylon 
Konkan 
Konkan 
Konkan 
Konkan, N. Kanara 
Konkan 
Malabar 
Khasias 
Mlgiris, &c. 
Malabar, Anamalais 
Ceylon 
Anamalais, Ceylon 
Ceylon 
Konkan, N. Kanara 
Malabar 
Ceylon, Mlgiris 
Khasias 
Tenasserim 
Khasias, Burma 
Khasias 
Khasias 
Anamalais 
and a doubtful species, Dicræa apicata, Tul., Nilgiris. 
TrimenJ accepts the following in Ceylon, the last-named 
being new to the Indian list : — 
Lawia zeylanica, Tul. 
Podostemon elongatus, Gardn. 
algæformis, Benth. (Trim.)§ 
Podostemon subulatus, Gardn. 
olivaceus, Gardn. 
metzgerioides. Trim. 
^ Pflanzenbiologische Schilderungen, I., 166., II., p. 331, 374. 
t Flora of British India, V., p. 61, 1886. 
j Trimen, Flora of Ceylon, III., p. 415, 1895. 
§ Trimen. Journal of Botany, XXIII., 1885, p. 173. 
