Robinson and Greenman—Galapagos Flora. 139 
dried state; fascicled leaves numerous, 14 to 3 lines long, retuse.— 
Collected on Chatham Island, lower region, southwest end, by 
r. Baur, June, 1891. : 
Forma Carotensis. Internodes from 3 to 5 lines long: leaves 
of the stem and branches 5 to 103 lines long, narrowly linear, 
not at all dilated but merely rounded at the tip, more emer 
petioled than the preceding forms.—-Collected on Charles Island, 
by Andersson, 1852. ets re 
orma BarrineTonensis. Closely approximating forma Albe- 
marlensis but having leaves commonly longer, 6 to 12 inner 
length.—Collected on Barrington Island, by Dr. Baur, July, 18! i 
Essentially the same form, although much paler, in the drie 
state, was collected on Bindloe Island by Dr. Baur, September, 
1891. 
broad toward the rounded and indistinctly apiculate apex, - 
above, whitened beneath.——Collected on Abingdon Island, by . 
Baur, 1891. This form is so well-marked as to merit varieta 
rank, 
In specimens of Euphorbia articulata. Ands., collected on 
Charles, James, Albemarle and Bindloe Islands, no awed 
on, i ies, as distinguished b 
ps iv appears that none of these species, as elie sober 
+» A. diffusa Ands., and the vee A. parvula Hook. 
fil. are each confined to a single islan 
ee Amarantus sclerantoides Ands. a racial variation has 
n 
noted similar to that in Euphorbia viminea. The type 
oe former was collected on Charles Island by Andersson 
an : ; 
broad, somewhat dilated at the apex. Two forms ee hat 
rite Baur upon Chatham and Hood Islands differ perceptibly 
™ foliage as follows :— | | 
