FLORA OP THE GALAPAGOS ISLANDS. 163 



oblongis obtusiusculis pubescentibus. — A. parvula, var. procumbens, Rob. 

 & Green m. (1), 148, in part. — Chatham Isl.: southwest end, middle 

 region, June, 1891, Dr. George Baur, no. 282 (lib. 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 uuo 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. lougis supra pilosis subtus pallidioribus 

 creberrime puuctatis et in nervis hirsutulis ; petiolo filiforme flexuoso 

 hirsutulo 9-17 mm. lougo ; 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; segmeutis 

 ovatis obtusiusculis. — Albemarle Isl.: Tagus Cove, alt. 1220 m., 15 

 June, 1899, Snodgrass & Heller, no. 885 (hb. Gr.). Endemic. 



A. Bauiui, Rob. & Greeum. (1), 144, 148. — Chatham Isl. : 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 Ieviter 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 X?) no. 540 (hb. Gr.). Endemic. 



A. cordifolia, 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. — Charles Isl.: 

 Darwin. Chatham Isl. : Andersson fide ipsi 1. c, but identity doubted. 

 Endemic. 



A. diffusa, Anderss. (1), 240, & (2), 104, t. 14, f. 4; Rose (1), 



