6. 
FLORA 
Ihe following list includes all species of vascular plants known 
from Mho a. Island. Twenty species were collected during the Tanager 
Expedition of 1923-192*+—three species and three varieties being described 
as nex+ ( 2 ). C.R, Long collected Portulaca oleracea in 196*+; I collected 
genchrus echlnatus var. hlllebrandianus in 1968; D. Yen collected 
Setaria verticlllata and Ipomoea pes-caprae in 1969 , raising the 
total number of-species to 24. No bryophytes or ferns are known from 
bihoa. A list cbf the lichens has been published by Magnus son • 
Tsuda included two algae from Nihoa in his enumeration of the 
marine benthic algae from the Leeward Islands. The specimens cited 
are deposited in the B.P. Bishop Museum Herbarium (BISH) or in the 
herbarium of the University of Hawaii (HAW). Species reported for the 
first time are marked by an asterisk. 
Brown 
Gramineae 
* Cenchrus echinatus var. hlllebrandianus (Hitchc.) F.B.I 
C. hlllebrandianus Hitchcock 
. w Herbst 1206 (HAW), Yen 1010 (BISH). Kramer reported finding and 
burning ? in 1961 , six Cenchrus spikelets which were stuck to a towel 
of one of the HI RAN personnel. I found two plants growing in a rocket 
?£ S01 l on tne floor ox Miller Valley in i 960 . Both were removed and 
the area searched for seeds. Apparently the efforts were in vain 
tne plant is included in the 1969 collections of Douglas^ Yen. 
Eragrostls variabllis (Gaud.) Steud. 
Caur ‘ 61 (BISH), Long 2417 (HAW), Herbst 1208 (HAW), Yen 1009 (BISH). 
Panlcum torridum Gaud. 
CauirT 60 BISH), Christophers- 
Long 2408, 2432 (HAW), Herbst 1209 
p o 
^ uo 
5 (BISH), Kramer and Swedberg 7 (BISH), 
(HAW), Yen 1011 (BISH). 
* Setarla verticlllata (L.) Beauv. 
Yen 1012 (BISH). Near south coast, 
, 1969. 
Palmae 
Prltchardla renota Becc. 
^„ OT J ? r * Rooke in l8 ^ 8 (mentioned in Ilillebrand (7), not seen), Brown s.n. 
two sheets, one with Rocks no. 10347, Caum 72 (BISH), Cooke 299 
(BISH), Christophersen 9a (BISH), Long 2412, 2440, 2443 (HAW). 
