MACLOSKIE I UMBELLIFER^. 



631 



Fu} 



Azorella selago. Leafy shoot (in centre), 

 and magnified leaf, and fruit. (From Flora 



1 6. AZORELLA SELAGO Hook. f. 



Densely cespitose. Stems fastigiate, often elongate, branching, often com- 

 pact. Leaves closely imbricating, appressed, with cymbiform 3-nerved 

 amplexicaul petiole ; the limb broad- 

 coriaceous, concave, 3-7-cleft, long se- 

 tose-ciliate on the inside ; its segments 

 oblong, i -nerved, subacute, entire. Um- 

 bel short-peduncled, 3-flowered, flow- 

 ers pink ; involucral leaves linear, sub- 

 acute. Calyx-teeth acute. Fruit ovate, 

 with long styles ; mericarps compressed 

 on the slightly convex back, with 5 

 ridges; contracted at the commissure. 

 (Fig. 79.) 



(The lamina of the leaves are gener- 

 ally broader than long, concave, with sparse, long hairs internally. 

 Habit of A. glebaria.] 



(The most abundant plant in Kerguelen I.) W. Magellan at Puerto An- 

 gosto reaching 400 m. altitude above the sea-level. Not rare in the mid 

 and moist forest mountain regions of western Magellan. (Dusen.) 

 Fuegia; Staaten I. 



A. SELAGO COMPACTA Alboff. 



More compact, with narrower columns. Leaf-segments triangular to 

 lanceolate, acute, mucronulate. 

 S. Fuegia, alpine above Ushuaia. 



A. SELAGO PULVINARIS Alboff. 



Densely cespitose, pulvinar, dwarf, scarcely 20-25 mm. high. Leaves 

 minute to 3 mm. long. Otherwise as A. s. compacta. 

 S. Fuegia, at Rio Grande on Beagle Channel. 



17. A. TRIFURCATA (Gaertn.) Hook. 



Densely cespitose. Leaves closely imbricated, spreading, recurved, 

 rigid, oblong, broad above, cleft into 3 subdivaricate, cuspidate lobes ; the 

 base sheathing; the margins obscurely ciliate, with deciduous hairs. 

 Umbel subsessile. Involucral leaves small, subulate, subciliate. Fruit 

 broad-ovate, subterete ; mericarps 5-costate, convex dorsal ly. Calyx ob- 

 scurely toothed. 



