y88 



PATAGONIAN EXPEDITIONS I BOTANY. 



13. LAGENOPHORA Cass. 



Cespitose herbs, with basal, crowded leaves and i -headed, leafless scapes. 

 Head heterogamous, radiate or subdisciform, the ligules white, the disk 

 yellow. Receptacle naked. Involucral scales 2-seriate. Anther basiob- 

 tuse. Style-branches flattened, with acute appendages. Ac items com- 

 pressed, narrowed to a rostrum. Papptts none. 



Species 12, Australia and New Zeal., with stragglers in Asia, Antarctic 

 Amer. and Hawaiia. 



FIG. 98. 



i. L. COMMERSONII Cass. (L. nudicaulis Comm.) 

 Plant 25-75 mm. high. Leaves glabrous or hairy, obovate, obtuse, en- 

 tire or toothed towards the apex, attenuate to 

 a short petiole. (Fig. 98.) 



Falklands ; Fuegia to Cape Horn ; Magellan, 

 to W. Magellan at Puerto Angusto (Dusen); 

 (S. Chili.) " Tiny" (R. O. Cunningham). 



i 



2. L. HARIOTI Franchet. 



Leaves hairy, obovate, basicuneate, long-peti- 

 oled, coarsely 5~9-toothed. Involucral scales 

 narrow, acute or acuminate. 



Magellan, Clarence I. 



3. L. HIRSUTA Poepp. & Endl. (L. commer- 

 sonii hirsuta Lessing.) 



Slender rooting perennial, with leaves hirsute 

 on both surfaces, membranaceous, petiolate, obo- 

 vate, coarsely toothed, teeth mucronulate. Scape 

 scarcely twice as long as the leaves. Involucral scales erect, acuminate, 

 just longer than the disk. Achenes with glandular-viscous rostrum. 



N. Patagon., by L. Nahuel-huapi ; S. Patagon., at Cerro Toro. (O. Nor- 

 denskjold.) 



L. HIRSUTA GRACILIS Alboff. 



Rhizome creeping, branching, many-stemmed. Petioles pilose, as long 

 as the broad-ovate to orbiculate lamina, which is basicuneate, appressed, 

 pilose, ciliate-margined, with 5-6 crenate teeth. Scape leafless or with a 



Lagenophora commersonii. The 

 plant, slightly reduced , also the re- 

 ceptacle with involucral scales, and 

 a disk- and a ray-flower magnified. 

 (From Flora antarctica.) 



