74O PATAGONIAN EXPEDITIONS: BOTANY. 



2. CRUCKSHANKSIA PATAGONICA (Speg. sub Oreopolus}. 



Pulverulent cespitose, 5-10 cm. high (green when dry), with apically 

 rosulate branches. Leaves opposite, fleshy, subcoriaceous, elliptical, ovate, 

 entire, glabrous, attenuate-petiolate. Stipules connate. Flowers sessile 

 in the leafy rosules, mostly solitary. Sepals small, dentiform. Corolla 

 long, salver-shaped ; its lobes lanceolate, spreading, villous inside. 



Patagon., by Golfo de San Jorge ; by Rio Chico, and in Central Chubut. 



2. NERTERA Banks & Sol. 



Small, slender, creeping herbs, glabrous or sparingly pilose ; with small, 

 broad, opposite leaves, and connate stipules; and inconspicuous sessile, 

 axillary, 4-merous flowers, which are sometimes abortively unisexual. 

 Stamens exserted. Style-branches 2, long, hirsute. Fruit a reddish yel- 

 low drupe with 2 pyrenes and 2 seeds. (Fig. of flower in Eng. & Prantl, 

 iv, 4, p. 131, A, B.) 



Species 6, 4 in New Zeal., i in Australia and the following : 



N. DEPRESSA Banks & Sol. 



Leaves petiolate, cordate-ovate, lobed, 8 mm. long and broad. Drupes 

 bright yellow, globular, attractive. 



(Creeping among moss, of the habit of Mitchella repens. Often culti- 

 vated for its beauty. Very widely dispersed in southern lands, from 

 New Zealand to the Chilian Mts., including Australia, Tristan, Hawaia.) 

 Magellan; Fuegia; Falklands. N. Patagon., by Lago Nahuel-huapi, on 

 dripping rocks. 



3. GALIUM Linn. Bedstraw, Cleavers. 



Herbs, with 4-angled stems and branches and whorled leaves. Flowers 

 (rarely dioecious), small, 4-merous, rarely 3-merous. Ovary 2-celled, 

 cells i -seeded. Styles 2. Fruit and foliage often with hooked bristles. 



Species 225, widely distributed. 



KEY TO THE SPECIES. 

 A. Leaves in 4*3. 

 b. Glabrous. 



c. Stem tetragonal. 



d. Leaves linear, mucronate. Peduncle solitary, axillary, i-flowered, short. Fruit 

 cream-colored, smooth. leucocarpum. 



