Flora of Eniwetok — S t. John 
323 
Engebi : 18 May 1946, F os berg 24,395; ob- 
served 1949, St. John. Aitsu: observed 1949, 
St. John. Rujoru: 13 August 1949, St. John 
23,800. Aomon: 16 May 1946, Fosherg 24,353; 
observed 1949, St. John. Biijiri: 14 August 
1949 , St. John 23,820. Runit: 15 August 1949, 
St. John 23,854. Japtan: 15 May 1946, F os- 
berg 24,325 ; observed 1949, St. John. Parry: 
observed 1944, Bryan; 15 May 1946, F os- 
berg 24,325. Parry: observed 1944, Bryan; 
1957, Lane 57-102. Jieroru: 21 May 1946, Tay- 
lor 46-1,241; Eniwetok: 13 May 1946, Fos- 
berg 24,298 ; observed 1949, St. John. Igurin: 
observed 1949, St. John; 6 September 1957, 
Lane 57-126. Mui: 9 August 1958, St. John 
26,317. Rigili: observed 1949 St. John; 1 Au- 
gust 1956, Rainey. 
20. Lepturus repens (Forst. f.) R. Br. var. 
occidental is Fosberg. Differing in having the 
spikes usually 1.7-2 mm. thick; glumes 10-15 
mm. long, acute-acuminate to subulate-acumi- 
nate. 
Bogon: 31 May 1946, Taylor 46-1,315; 11 
August 1949, St. John 23,766. 
21. Setaria verticillata (L.) Beauv. Short-lived 
grass, tufted, erect or decumbent at base, 30- 
75 cm. tall; leaf sheaths smooth; blades 15- 
25 cm. X 5-12 mm., flat, scabrous above; 
spikes 5-7.5 cm. long, erect; spikelet bristles 
numerous, downward barbed, remaining at- 
tached to the axis; spikelets in clusters, 1 -flow- 
ered, oval, 2 mm. long; outer glume less than 
half as long as spikelet. Introduced weed, abun- 
dant in disturbed soil near settlements. 
Engebi: 18 May 1946, Fosberg 24,392. Jap- 
tan: 27 May 1946, Taylor 46-1,288; 15 May 
1946, Fosberg 24,327 . Eniwetok: observed 1949, 
St. John. Eniwetok Atoll: observed August, 
1944, Bryan. 
22. Sorghum bicolor (L. ) Moench. var. tech- 
nicum (Koern.) Jav. Culm stout 2-4 m. tall; 
blades up to 1 m. X 8 cm.; panicle 30-80 cm. 
long, its branches simple for 15-50 cm. and 
smooth; sessile spikelets 4.5-6 mm. long, obo- 
vate-elliptic; upper lemma usually with an awn 
up to 10 mm. long; grains 3.5-4 mm. long, 
mahogany red. Cultivated crop grain. 
Engebi: May, 1944, observed, Fosberg. Runit: 
30 May 1946, Taylor 46-1,305. 
23. Thuarea involuta (Forst. f.) R. & S. "Ujos 
maroro.” Perennial, low trailing grass, with long 
runners; leaf sheaths glabrous or puberulent; 
blades 3-7 cm. X 4—7 mm., thick, puberulent to 
glabrate; flower spike, 1 -sided, 1-4 cm. long, 
enclosed in a folded spathe, the axis channeled, 
puberulent; spikelets 3-4 mm. long, 2 -flowered; 
outer glume 4 mm. long, 5 -veined, puberulent. 
Local, uncommon, found on or near the sea 
beaches. 
Aaraanbiru: 10 April 1954, Palumbo 1,127. 
Aomon: 16 May 1946, Fosberg 24,354; ob- 
served 1949, St. John. Runit: 24 May 1946, 
Taylor 46-1,262 ; 15 August 1949, St. John 
23,846. Japtan: 15 May 1946, Fosberg 24,341 ; 
12 September 1957, Lane 57-142; Eniwetok: 13 
May 1946, Fosberg 24,295. 
24. Tricachne insularis (L.) Nees. Clump- 
forming grass 1-1.5 m. tall; sheaths sparsely 
hirsute; blades 20-40 cm. long, 8-15 mm. wide; 
panicle terminal, of racemes 10-15 cm. long; 
spikelets 4 mm. long, densely silky white villous, 
in pairs; second glume and sterile lemma 3-5- 
nerved. Introduced weed. 
Japtan: 15 May 1946, Fosberg 24,328; ob- 
served 1949, St. John; 12 September 1957, Lane 
57-138. 
25. Tricholaena repens (Willd.) Hitchc. 
Rhynchelytrum repens (Nees) Stapf. & Hubb. 
ex Bews. Short-lived grass, tufted, 30-60 cm. 
tall; leaf sheaths sparsely pilose; blades 7-15 
cm. long, 3-5 mm. wide, linear, rough on both 
surfaces and on margins, sparsely pilose; panicle 
light purplish pink when young; spikelets vil- 
lous; grain 2 mm. long, elliptic, dark. An in- 
troduced weed. 
Japtan: 27 May 1946, Taylor 46-1,296. 
2 6 . Zea Mays L. Short-lived, coarse grass, 1-4 
m. tall, often with prop roots; leaf sheaths gla- 
brous or puberulent; blades 60-100 X 3-6 cm.; 
staminate flowers in a terminal tassel, the florets 
7-8 mm. long, 2 at each node, 1 of them pedi- 
celled, 2 -flowered; pistillate spikelets enwrapped 
in an ear, with the long styles protruding, the 
ovaries in 8-24 rows. 
Engebi: once cultivated, observed 1944, 
T oiunes. 
CYPERACEAE 
27. Cyperus javanicus Houtt. "Wujoet in ion 
buil.” C. pennatus Lam. Tufted perennial sedge, 
