158 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
They are much less abundant on the southwest side and do not 
extend below 500 ft. Specimens from near the shore have 
smaller and more closely arranged leaves than do the speci- 
mens from above 1000 ft., (nos. 676-677). Endemic. 
S.incisa Hook. f. (3), 210; Rob. (1), 217—CuatHam 
Ist.: Darwin. Endemic. 
S. microcephala Rob. (1), 218.—ALBEMARLE IsL.: Cowley 
Bay, bushes and low trees, 1200-1650 ft., (no. 679); Tagus 
Cove, common bushes above 1200 ft. (no. 678). NARBor- 
ouGH Is.: south side, Snodgrass and Heller. Endemic. 
S.narbonensis Rob. (1), 218, Pl. 3, figs. 4-7,—Narpor- 
ouGH IsxL.: north side, bushes 2-3 ft. high, abundant on lava 
beds near the coast, (no. 680); south side, Snodgrass and 
Heller. Endemic. 
S. ovata Anderss. (1), 181,)(2), 70; Rob, (1), 219.— 
Cuartes Isu.: Andersson; Lee. Endemic. 
S. pedunculata Hook. f. (3), 211; Rob. (1), 219.—CHaARLEs 
Is_.: trees with umbrella-shaped crowns, on exposures of 
basaltic lava, 1000-1200 ft. The most common forest tree in 
the upper regions; (no. 681). CHATHAM IsL.: Wreck Bay, 
low spreading trees, abundant above 600 ft., (no. 684). In- 
DEFATIGABLE IsL.: Academy Bay, forms dense forests of trees 
40-60 ft. high, 400 to probably 1500 ft. This species attains 
its largest size at this place, (nos. 685-686) ; northwest side, 
trees 20-30 ft. high above 700 ft. (no. 678); southeast side, 
trees 15-20 ft. high above 450 ft. It apparently extends up 
higher at this place than at Academy Bay, (nos. 689-690). 
James IsL.: James Bay, trees 25-40 ft. high above 950 ft. (no. 
688). This species forms the Scalesia forests, on all the islands 
where such forests occur, except on Albemarle. Endemic. 
S.iretrofleza Hems!.-in Hook. £ Ic: Pl. XXVIII t. 2715 
(1901); Rob. (1), 219.—INDEFATIGABLE Ist.: Habel. En- 
demic. 
S. Snodgrassii Rob. (1), 219, Pl. 3, fig. 8—WeEnmawn Is..: 
bushes 2-3 ft. high on sides of-cliffs (no. 691). Endemic. 
S. villosa nov. sp. 
Fruticosa circa 2 m. alta; ramulis teretibus bruneis griseo-punctatis 
ad apices sericeo-villosis; foliis ad apices ramulorum confertis lanceo- 
latis integerrimis longe attenuatis basi cuneatis utrinque sericeo-villosis 
