Vor. I] STEWART—BOTANY OF THE GALAPAGOS ISLANDS 51 
Parietaria L. 
P. debilis G. Forst. Fl. Ins. Aust. Prodr. 73 (1786) ; Rob. 
(1), 132.—ALBemar_eE Ist.: Iguana Cove, in protected places 
on the sides of the cliffs above the cove (no. 1334); Tagus 
Cove, occasional at 1000 ft., common in lava crevices at 2850 
ft., (no. 1333) ; Villamil, common among rocks at 550 ft. (no. 
1332). CHARLES IsL.: in shady places among rocks at 1550 
ft. (no. 1335). James Ist.: Darwin. Widely distributed in 
tropical regions. 
Pilea Lindl. 
P. Baurii Rob. (1), 133.—Asrtncpon Ist.: common in 
moist shady places around 1650 ft. (no. 1336). CHARLES 
Ist.: Baur. CuatHam Ist.: Wreck Bay, common in open 
country around 1000 ft. (no. 1338). JAmes IsL.: James Bay, 
occasional around 2000 ft. (no. 1339). There is much varia- 
tion in the specimens found growing in sun and in shade, those 
growing in the shade having a green stem, thinner leaves, and 
a much less branched inflorescence. ° Endemic. 
P. microphylla (L.) Liebm. in Vidensk. Selk. Skr. ser. 5, IT. 
296 (1851). Parietaria microphylla L. Sp. Pl. ed. 2, 1492 
(1763). Pilea muscosa Lindl. Coll. Bot. t. 4 (1821); Rob. 
(1), 133.—James Ist.: Darwin. Further distr. Mex., W. 
Ind., S. Am. 
P. peploides (Gaud.) Hook & Arn. Bot. Beech. 96 (1832). 
Dubreulia peploides Gaud. in Freyc. Voy. Bot. 495 (1826). 
P. peploides Hook & Arn. 1. c.; Rob. (1), 133.—ALBEMARLE 
Ist.: Tagus Cove, in lava crevices at 2850 ft. (no. 1340). 
CHARLES IsL.: common on moist rocks at 1000 ft., occasional 
at 1550 ft., (nos. 1339, 1341). CHatHam Ist.: Wreck Bay, 
rare in shady places at 700 ft. (no. 1342). James Ist.: Dar- 
win. Further distr. Pacific Ids., Asia. 
Urera Gaud. 
U. alceaefolia (Poir.) Gaud. in Freye. Voy. Bot. 497 
(1826). Urtica alceaefolia Poir. Suppl. 227 (1816).—ALBE- 
MARLE Ist.: Villamil, common bushes, 650-1500 ft. The 
leaves of many of the specimens are variegated, (no. 1343). 
INDEFATIGABLE IsL.: Academy Bay, common bushes above 
