872 



C. SKOTTSBERG 



Centella triflora (Ruiz and Pav.) Nannf. Umbelliferae. A small rosulate herb; 

 see p. 782. 



Dichondra repens Forst. Convolvulaceae. In both islands along streams not 

 far from the sea, rare. See p. 162. A small, stoloniferous, matted herb. 



Olden/andia iliesiifolia K. Schum. Rubiaceae. Undoubtedly of recent intro- 

 duction and only seen once on a stream-bank in the settlement on Masatierra. 

 A tiny cespitose herb with stems rooting from the lower nodes. 



Lobelia alata Labill. var. rupincola (Bert.) Wimmer. (L. anceps Thunb. p. p., 

 listed under this name by Hemsley, Johow and myself; L. rupincola Bert. MS., 

 Colla.) Also in Chile. On both islands, on moist rocks near the sea, on the can- 

 yon walls where water trickles down and at the cascades. The flowering shoot 

 dies after fruiting, but propagates with stolons from the basal rosette, so that 

 the species cannot, as has been done, pass as an annual. With flowers Aug. — ^Jan. 



Wahlenbergia Bcrteroi Hook, et Arn. Endemic on Masatierra and Santa 

 Clara; dry, rocky or sandy places near the sea, rare. V^egetative-floral shoots 

 of one year's duration from a large lactiferous subterranean bulb. Flowers Dec. — 

 Jan., ripe capsules end of January; innovations well developed in February. 

 Flowers a beautiful pink (PI. 20: 8 in this vol. no. 7). 



Wahlenbergia Masafuerae (Phil.) Skottsb. Endemic on Masafuera and not 

 uncommon on the steep coast rocks and canyon walls. Morphology as in the 

 former. Flowers Dec. -Feb. 



Erigeron Ingac Skottsb. Endemic in the highland of Masafuera, 1350 — 1400 m. 

 Rhizome long, woody, with subterranean stolons ending in a rosette; flowering 

 shoots 30 — 40 cm long, erect (PI. 16: i, this vol. no. 7). Fig. 28 a shows an inno- 

 vation in March. With flowers and fruit Feb.— March. 



Erigeron iiirricola Skottsb. With the former, rare. A cespitose, rosulate herb 

 with monocephalous scapes. Otherwise as the former. 



Gnaphalinm spiciforme Schulz Bip. In the Alpine region of Masafuera, 1300 — 

 1350 m, rare. With achenes in Feb. — March. 



Lagenophora HariotiYx2iWc\\. Compositae. In the Alpine region of Masafuera, 

 830—1350 m, in company with Acaena niasafuerana, mosses etc. A minute ro- 

 sulate, laxly cespitose herb with short runners ending in a rosette. Scape about 

 5 cm long, monocephalous. With flowers and fruit Feb. — March. 



Abrotanella crassipes Skottsb. Compositae. Endemic on the summit of Masa- 

 fuera, 1300 — 1500 m. Forming round, flattened, compact cushions. With fruit in 

 March. 



Oreobolus obtusangulus Gaud. Cyperaceae. With the former, and of the same 

 habit. With fruits in March. 



Dysopsis liirsiita (Muell. Arg.) Skottsb. Euphorbiaceae. P'ndemic on Masa- 

 tierra, common in wet, shady woods between 350 and 600 m. PI. 78: i. A frag- 

 ile, matted, hirsute perennial, irregularly branched from the rhizome; gemmae 

 in the soil surface, with growing apices in April (Fig. 28 b). With flowers and 

 fruit Dec. — Feb. 



Mimulus glabratus H. B. K. var. externus Skottsb. The variety endemic on 

 Masafuera. In wet places under overhanging rocks and along the stream in some 



