Flora of Eniwetok — St. John 
335 
0-10 mm. long; blades 2. 5-3.2 cm. long, the 
lower ones lanceolate to obovate; the upper 
smaller and linear; panicle terminal; involucre 
2.5 mm. long, the bracts unequal, in several 
series; corollas as long as the involucre, bluish; 
achenes 1 mm. long, the pappus white, stiff. 
Introduced weed. 
Engebi: 4 April 1954, Palumbo 1,123 . Eni- 
wetok: 6 August 1949, St. John 23,710. 
95. W edelia biflora (L.) DC. "Marguegue.” 
Arching and half -sprawling shrub; stems 2-10 
m. long; leaves opposite; petioles 1-3 cm. long; 
blades 5-10 cm. long, lance-ovate, distantly 
serrate, sparsely appressed hirsutulous; pedun- 
cles terminal, mostly in 3’s with 1-2 heads; 
involucre 4 mm. long, the bracts unequal, in 
several series; ray florets bright yellow, about 
8, the rays 5 mm. long; disk florets numerous, 
each wrapped in a palea; their achenes 3 mm. 
long, commonly without pappus. 
Engebi: observed as "yellow composite vine," 
1944, Bryan ; 18 May 1946, Fosberg 24,391. 
96. Zinnia elegans Jacq. (?) Short-lived 
herb, 1.5—1 m. tall; leaves opposite, 2.5-5 cm. 
long, ovate to elliptic, hispidulous; heads sol- 
itary, 5-13 cm. across; involucral bracts round 
or elliptic, dark-tipped; ray flowers elliptic, of 
numerous rich colors; disk orange; achenes 5-6 
mm. long, flattened, obovate, winged. 
Eniwetok: in American gardens, observed 
as "Zinnia,” 1944, Bryan. 
REFERENCES 
Fosberg, F. Raymond. 1955. Northern Mar- 
shall Islands Expedition, 1951-1952. Land 
biota: vascular plants. Atoll Res. Bull. 39: 
1 - 22 . 
Kanehira, RyoZo. 1935. An enumeration of 
Micronesian plants. Kyushu Univ. Dep. Agric. 
J. 4(6): 237-464. 
St. John, Harold. 1950. Flora of Engebi, 
Aomon-Biijiri, and Runit Islands, in Radio- 
biological Survey of Bikini, Eniwetok, and 
Likiep Atolls, July-August 1949. Appl. Fish. 
Lab. Univ. Wash. Rep. UWFL-23: 37-54, 
figs. 1-8. 
Taylor, William Randolph. 1950. Plants of 
Bikini and Other Northern Marshall Islands. 
University of Michigan Press, Ann Arbor, 
xv 4- 227 pp., illustr. 
INDEX TO GENERA 
This index leads to the serial number of each 
genus in the descriptive flora. 
Achyranthes, 37 
Aleurites, 60a 
Allium, 31 
Amaranthus, 39 
Arto carpus, 34 
Boerhavia, 41 
Brassica, 49 
Caesalpinia, 52a 
Canavalia, 53 
Carica, 69 
Cassytha, 48 
Cenchrus, 11 
Chloris, 13 
Citrullus, 84 
Cocos, 30 
Cordia, 77 
Crinum, 32 
Cucumis, 85 
Cucurbita, 8 6 
Cynodon, 14 
Cyperus, 27 
Dactyloctenium, 15 
Digitaria, 16 
Dioclea, 53a 
Eleusine, 17 
Entada, 54 
Eragrostis, 18 
Erigeron, 90 
Euphorbia, 61 
Eimbristylis, 29 
Eleurya, 35 
Guettarda, 82 
Hernandia, 48a 
Ipomoea, 74 
Lactuca, 91 
Lagenaria, 87 
Lepturus, 19 
Malvastrum, 67 
Messerschmidia, 78 
Mirabilis, 43 
Morinda, 83 
Mucuna, 55 
