300 
cies for the island. In the present treatment, 
the writer has added 21 new records of vas- 
cular plants, several additional native names, 
and some nomenclatural changes. In addi- 
tion, one species of algae and two species 
of mosses are recorded. Native names were 
obtained from Soas, who served as a guide 
for both the writer and St. John. 
NONVASCULAR PLANTS 
Algae 
Cladophora membranacea (Ag. ) Harv. 
"Lim,” 2638. Along shore and in shallow 
water. 
Mosses 
Ectropothecium monumentorum (Duby) 
Jaeg. 
2639. On trunk of coconut tree, common. 
Leucophanes glauculum C, M. 
2643. On coconut tree, common. 
VASCULAR PLANTS 
Polypodiaceae 
1. Pteris tripartita Sw., Schrad. Jour. Bot., 
67. 1801. 
"Peypey-eni,” 2631. Coconut grove, ter- 
restrial, abundant. 
Lauraceae 
2. Cassytha filiformis L., Sp. PL, 35. 1753. 
"Cossagos,” 2644. Along strand, climb- 
ing parasite, common. 
Hernandiaceae 
3. Hernandia sonora L., ibid., 981. 
"Pingapin," 2634. Along strand, tree 15 
feet high by 2.5 feet in diameter, com- 
mon. Many seedlings were found be- 
neath the parent plants. The tree trunks 
are used for canoes by the natives. 
Rhizophoraceae 
4. Bruguiera conjugata (L.) Merr., Phil. 
Jour. Sci., Bot. 9: 118. 1914. 
PACIFIC SCIENCE, Vol. VII, July, 1953 
"Sol,” 2622. Back of mangrove swamp, 
tree 40 feet high by 1 foot in diameter. 
Only one tree was seen, but the writer was 
informed that this species is fairly com- 
mon on other parts of the island. The 
wood is used in construction of houses, 
and a dye from the fruits is utilized for 
blackboards. This is the third species of 
mangrove recorded for Pingelap, the 
others being Khtzophora mucronata Lam. 
and Sonneratia caseolaris (L.) Engl. (5. 
alba Sm.). (Fig. 9.) 
Malvaceae 
5. Hibiscus tiliaceus L., Sp. PL, 694. 1753. 
"Kalau,” 2633. Along strand, tree 50 feet 
high, common. Fibers from the bark are 
used in making rope, fish line, hats, and 
baskets, and the leaves are often utilized 
in washing clothes. 
Euphorbiaceae 
6. Codiaeum variegatum (L. ) Bl. var. pic- 
tum (Lodd.) MuelL-Arg., DC. Prodr. 
15: 1119. 1866. 
"Kurotong.” Observed as an ornamental 
plant; introduced from Kusaie. 
Leguminosae 
7. Canavalia microcarpa (DC.) Piper, 
Biol. Soc. Wash., Proc. 30: 177. 1917. 
"Nimelitop,” 2646. Along strand, trail- 
ing, flowers pink, common. Plant parts 
are used as medicine to aid in childbirth. 
8. Inocarpus fagiferus (Parkinson) Fosb., | 
Wash. Acad. Sci., Jour. 31: 95. 1941. | 
"Marrup,” 2637. Planted, tree 15 feet | 
high, introduced from Ponape. j 
9. Peltophorum sp. j 
"Seh-muatah,” 2638. Planted, tree 8 feet | 
high, flowers yellowish orange; intro- || 
duced from Kusaie. ) 
10. Vigna marina (Burm.) Merr., Inter- 
pret. Herb. Amb., 285. 1917. ! 
"Sau-tul.” St. John recorded the native i 
name of this species as "nimelitop,” 
