FLORA OF THE GALAPAGOS ISLANDS. 163 
oblongis obtusiusculis pubescentibus. — A. parvula, var. procumbens, Rob. 
& Greenm. (1), 148, in part.— Caaruam Isi.: southwest end, middle 
region, June, 1891, Dr. George Baur, no. 282 (hb. Gr.). Dedicated to 
the late C. F. Adams of the University of Illinois, the companion and 
efficient assistant of Dr. Baur upon his voyage to the Galapagos Islands. 
Endemic. 
A. albemarlensis, nov. sp., gracilis sed basi ramoso lignescenti; 
ramis longis teretibus subsimplicibus purpurascentibus uno solo latere 
pubescentibus; indumento e pilis albidis brevissimis recurvatis et aliis 
longioribus rectis divergentibus composito; foliis parvis ovatis acutius- 
culis crenatis cordatis 7-10 mm. longis supra pilosis subtus pallidioribus 
creberrime punctatis et in nervis hirsutulis; petiolo filiforme flexuoso 
hirsutulo 9-17 mm. longo; spicis axillaribus parte mascula tenui gracili 
6 mm. longa in pedunculo filiforme flexuoso 10-14 mm. longo; involu- 
cris foemineis in basi pedunculi saepius solitariis sessilibus glanduloso- 
pubescentibus 2—3-floris fere ad mediam partem 7-partitis; segmentis 
ovatis obtusiusculis.— ALBEMARLE Ist.: Tagus Cove, alt. 1220m., 15 
June, 1899, Snodgrass & Heller, no. 885 (hb. Gr.). Endemic. 
A. Baurtt, Rob. & Greenm. (1), 144, 148. —CaaTuam Isx.: south- 
west end, middle region, Baur, no. 285 (hb. Gr.). Endemic. 
A. chathamensis, nov. sp., annua erecta in parte superiori ramosa ; 
caule tereti fuscescente dense glanduloso-tomentello ; foliis ovatis tenui- 
bus obtusiusculis basi rotundatis vel leviter angustatis grosse supra basi 
crenatis in pagina superiori sparse pubescentibus subtus pallidioribus sub 
lente squamosis in nervis pubescentibus 2.5—4 cm. longis 2—3 cm. latis ; 
petiolo 2.5-3.5 cm. longo sordide glanduloso-piloso ; spicis axillaribus ad 
4-5 cm. longis; parte mascula terminali 2 mm. crassa 10-15 mm. longa 
supra densa infra laxiori; rachide filiforme glanduloso-puberulo involu- 
cros foemineos 1-5 glanduloso-pubescentes 2-3-floros ad mediam partem 
in dentes 6-7 inaequales deltoideos acutiusculos glanduloso-ciliatos sectos 
plus minusve supra basi gerente. — CHATHAM IsL.: May, 1899, Snodgrass 
& Heller, no, 541 (hb. Gr.), and-(?) no. 540 (hb. Gr.). Endemic. 
A. corpiroxta, Hook. f. (3), 186; Anderss. (1), 238, & (2), 103. 
A. parvula, var. cordifolia, Muell. Arg. in DC, Prodr, xv. pt. 2, 877. 
(1862), but surely not Rob. & Greenm, (1), 148.— Cuartes Ist. : 
Darwin. Cuatuam Isu.; Andersson fide ipsi 1. ¢., but identity doubted. 
Endemic. 
A. prerusa, Anderss. (1), 240, & (2), 104, t. 14, f. 4; Rose (1), 
