Flora of Eniwetok — -ST. JOHN 
321 
Runit: 15 August 1949, St. John 23,841 . The 
vernacular name "bop” applies to all Pandanus . 
The holotype was from Palau, Korror, July, 
1933, Nisida 3,348. 
5. Pandanus odoratissimus L, f, vat, novo- 
caiedonicus (Martelii) St, John. "Bop.” Tree 
8 m. X 30 cm.; leaves 130-140 X 9 cm., the 
midrib below denticulate, the margins dcnticu • 
late, the teeth towards the tip 1 mm. long, close 
and fine, towards the base the teeth larger and 
more remote; phalanges 5. 2-5. 5 X 3.8 cm., ob- 
pyriform, the apex truncate; carpels 3-10, sub- 
equal, the apices low convex, the inner sinuses 
4- 5 mm. deep. 
Runit: 15 August 1949, St. John 23,840. 
6. Pandanus odoratissimus L. f. var. novo- 
guineensis (Martelii) St. John. "Bop.” Tree 7-8 
m. X 20 cm.; leaves 115-150 X 5-8 cm., the 
midrib denticulate below, the margins denticu- 
late, the teeth 1 mm. long and 3-4 per cm. to- 
wards the tip, 2 mm. long and more remote 
towards the base; phalanges 5.2-6 X 3. 4-3 .6 
cm., broad cuneate, the apex low convex; carpels 
3-12, usually 7-8, the central ones a little 
smaller, the apices low convex, the central si- 
nuses 3-4 mm. deep. 
Rujoru: 13 August 1949, St. John 23,811 . 
Runit: 15 August 1949, St. John 23,842 . Jap- 
tan: 12 September 1957, Lane 37-136. 
7. Pandanus pulp osus ( Warb.) Martelii. "Jil- 
ebar.” Tree; leaves 230 X 8 cm., the margins 
and midrib below armed; fruiting head 33 X 22 
cm., ellipsoid, of more than 60 phalanges, these 
5- 8 X 5-6 cm., broad obpyriform, the apex low 
dome-shaped; carpels 7-12, the central ones a 
little smaller, the apices low convex, the central 
sinuses 3-4 mm. deep. 
Aniyaanii: 7 August 1949, St. John 23,713 . 
Japtan: 5 February 1955, Doty 12,779. Rigili: 
11 September 1957, Lane 37-133; 10 August 
1949, St. John 23,733 . 
8. Pandanus rectangulatus Kanehira. "Patchap- 
lip”; "Olivo”; "Desmesyo”; "Anilip”; "Parkup.” 
Tree; leaves 170 X 7 cm., the midrib remotely 
denticulate below, the margins denticulate, near 
the tip the teeth 1 mm. long, the teeth about 1 
per cm.; fruiting heads 20.5 X 10-15 cm., soli- 
tary, pendulous, broad ellipsoid, of 40-45 phal- 
anges, these 6.5 X 5 cm., broad obpyriform, 
truncate; carpels 5-8, subequal, the apices 
slightly convex and with a central hollow 0.5-1 
mm. deep, the central sinuses 2-3 mm. deep. 
Engebi: (as Enchabi L), the lectotype is Sep- 
tember, 1934, Ohha (Kanehira) 3,469 (Hb. 
Fukuoka); also nos. 3,473; 3,477; and 3,479. 
Japtan: 6 August 1958, St. John 26,302. 
9. Pandanus rhombocarpus Kanehira. "Pappa- 
rawa.” Tree; fruiting heads 22 X 17 cm., soli- 
tary, pendulous, ellipsoid-globose, of more than 
77 phalanges, these 7-7.9 X 3. 5-4.2 cm., nar- 
row pyriform, the apex subtruncate, with strong 
lateral sutures running halfway down; carpels 
6-8, the central ones much the smaller, the 
apices subpyramidal, the outer ones distinctly 
curving salient, the central sinuses 3-6 mm. 
deep. 
Engebi: (as Enchabi L), holotype, August, 
1934, Ohha (Hosino A.3), ( Kanehira 3,467). 
10. Pandanus Utiyamai Kanehira. "Bop.” Tree 
7 m. X 20 cm.; leaves 160-180 X 6-9.5 cm., 
swordlike, tapering, the margins closely spine- 
toothed, near the middle being 1 mm. long and 
3 per cm., teeth near the base 2 mm. long and 
2 per cm.; fruiting heads 25-26 X 20 cm., 
ellipsoid-subglobose, solitary, of about 80 pha- 
langes, these 9 X 4.5 cm., obpyriform, with 
lateral angles, the apex low convex; carpels 8-12, 
subequal, the apices rounded-subpyramidal, the 
central sinuses 3-4 mm. deep. 
Rujoru: 13 August 1949, St. John 23,810. 
The holotype is from Ponape, August 1933, 
Hosino & Utiyama 24 ( Kanehira 2,809). 
GRAMINEAE 
11. Cenchrus Brownii R. & S. Short-lived 
plant 30-100 cm. tall, sheaths glabrous; blades 
10-30 cm. long, 6-15 mm. wide; racemes 5-12 
cm. long, dense; burs depressed globose, the 
outer bristles numerous, basal, slender; spikelets 
4-5 mm. long lanceolate. Introduced weed. 
Runit: 24 May 1946, Taylor 46-1,239 ; 15 
August 1949, St. John 23,843. Eniwetok: 6 
August 1949, St. John 23,711. 
12. Cenchrus echinatus L. "Legalek.” Plant, 
15-75 cm. tall, single or in small tufts; leaf 
sheaths smooth; blades 7-13 cm. X 3-8 mm., 
slightly hairy at base; fruiting raceme 3-10 cm. 
long; spikelets forming burs covered with ret- 
rorsely barbed bristles. Introduced weed, abun- 
dant and troublesome in disturbed soils. 
