THE PHANEROGAMS OF THE JUAN FERNANDEZ ISLANDS 



189 



10 — 15 mm longus et 1,5 — 2,5 mm crassus, basi semper tenuis, leviter angulatus, 

 monocephalus. Capitulum circ. 3 mm diam. Involucrum 6 — 8-phyllum squamis 

 ovatis— latissime obovatis, obtusis, ± truncatis, viridibus apice ± roseo, margine 

 hyalinis, uninerviis, basi praesertim glandulis (supra depictis) munitis, 2 — 2,2 mm 

 longis. Flores obscure rubri, pauci — sat numerosi (ad 16 visi), circ. 3 mm longi: 

 ^ perpauci, $! magis numerosi, omnes fertiles, stylus floris g distincte bifido 

 fere ut in $. Calyx nullus. Achaenia ovoideo-fusiformia, obscure tetragona, 



Fig. 32. Abrotanella; a— h A. crassifies: a branch, nat. size, b leaves, X 5, c scales, X 17, 



d scape with head, X 2,5, e 9 and f ijj flower, X 10, g achenes, X 17, h gland, X 150. i-k A. 



linearifolia, i scale and k achene, X 17. 1— m A. Moseleyi, 1 scales, m achenes, X 17. 



apice leviter concava et margine humili circumvallata, glabra, 2—2,5 mm longa, 

 pappo plane destituta. 



Masafuera: Only found on the- top of Los Inocentes, 1325 — 1400 m, 

 abundant in places (past fl.-fr. 9 /a 17, no. 502). 



A. crassipes is nearly related to A. linearis Berggr. (New Zealand) and to 

 A. linearifolia A. Gray (West Patagonia, Fuegia). It differs from the former in 

 the shape of the flowers and achenes and especially in the leaves, which have 

 a long pilose sheath in A. linearis. I have not seen type material af A. lineari- 

 folia, but specimens from Pto Churucca in Herb. Kew are rightly named and 



