ix, c, 2 Merrill: The Plants of Guam 101 
CODIAEUM A. Jussieu 
CODIAEUM VARIEGATUM (Linn.) Blume Bijdr. (1825) 606. 
Croton variegatum Linn. Sp. Pi. (1758) 1199. 
Phyllaurea variegata W. F. Wight ex Safford in Contr. U. S. Nat. Herb. 
9 (1905) 352. 
G. E. S. 105, from cultivated specimens. 
Widely distributed in cultivation, where native uncertain, but probably 
Malaya or Polynesia. 
EUPHORBIA Linnaeus 
EUPHORBIA ATOTO Forst. f. Prodr. (1786) 36; Safford 270. 
G. E. S. 131. 
Along the seashore, tropical Asia to Australia and Polynesia. 
EUPHORBIA GAUDICHAUDII Boiss. Cent. Euph. (1860) 7; Safford 270. 
McGregor H3, G. E. S. 378, similar to E. serrulata Reinw., but more 
robust. 
A species known only from Guam. 
EUPHORBIA HETEROPHYLLA Linn. Sp. PI. (1753) 453. 
G. E. S. 97, McGregor A71, the former from gardens, the latter from 
roadsides. 
A native of North America, now widely distributed in cultivation and 
as a naturalized plant. 
EUPHORBIA HIRTA Linn. Sp. PI. (1753) 454; Safford 271. 
Euphorbia pilulifera Linn. 1. c. 
G. E. S. 189, Thompson 9, McGregor U09, locally known as golondrina. 
EUPHORBIA PROSTRATA Ait. Hort. Kew. 2 (1789) 139. 
G. E. S. U. 
Tropics of both hemispheres. 
EUPHORBIA THYMI FOLIA Linn. Sp. PI. (1753) 454. 
G. E. S. 255. 
Tropics of both hemispheres. 
( Euphorbia ramosissima Hook. & Arn. is credited to Guam by Boissier, 27 
but Index Kewensis is authority for the statement that the species as there 
interpreted by Boissier is Euphorbia sparrmannii Boiss.) 
EXCOECARIA Linnaeus 
EXCOECARIA AGALLOCHA Linn. Amoen. Acad. 4 (1759) 122; Syst. ed. 
10 (1759) 1288; Safford 271. 
Var. ORTHOSTICH ALIS Muell.-Arg. in DC. Prodr. 15 2 (1866) 1221. 
McGregor 561, 567, G. E. S. 392, along the seashore. 
India to Malaya and Polynesia (the species), the variety in Guam, New 
Caledonia, and Tonga. 
The combination Excoecaria agallocha is not made in the original edition 
of Stickman’s Herbarium Amboinense (1754) as claimed by Mr. Wight 
27 DC. Prodr. 15 2 (1862) 14. 
