MACLOSKIE: RUBIACEVG. 741 



d2. Leaves oblong-linear, mucronate, transparent, nerves setiferous. Peduncles axil- 

 lary, i -2 -flowered. Involucre 4-leaved. Fruit setulose. chcetopttonim. 

 </3. Leaves lanceolate, ciliate, reflexed. Peduncles axillary, i-flowered, 4-5-leavcd. 



Flowers purple-tipped, with setae. Fruit smooth. cilia (am. 



c2. Leaves becoming yellow, subulate, acute, reflexed, I cm. long. Flowers axillary, 



solitary, 4-bracted. Cocci rugulose, smooth. patagonicum. 



c^. Leaves oblong to lanceolate, obtuse. Flowers 3-merous, solitary in axils. Fruit 



smooth. antarcticum. 



C4. Leaves elliptic-oblong, acute, 3-nerved. Peduncles terminal, in 3*3. Fruit rough. 



fuegianum. 

 b2. Sparsely scabrous. Stems tetragonal. Peduncles opposite or whorled, 4-bracted. 



c. Leaves linear-oblong, acute, I -nerved, half as long as internodes. Peduncles 3-flowered. 

 Fruits tubercled. richardianum. 



c2. Leaves subelliptic, mucronate. Peduncles i -flowered. Fruit didymous. 



relbun. 

 A2. Leaves in 4*3, rarely in 6's, sparsely scabrid, spatulate-linear, 6 mm. long. Stem filiform. 



Peduncles I 3-flowered. Fruit large, smooth. forsteri. 



A$. Leaves in 5's, linear-lanceolate, glabrous, with rough margins. Peduncles solitary and 2- 

 flowered, or paired and i -flowered. Fruit glabrous. magellanicum. 



A^. Leaves in 5's or 6's, lance-oblong, awned, scabrid-nerved. Cymes i-5-flowered. Fruit 



rough. chilense. 



A$. Leaves in 6's or 8's, oblanceolate to linear, cuspidate. Cymes I 3-flowered. Fruit didy- 

 mous, with hooks. aparine. 

 A6. Leaves in 6's or 7's, oblong, obtuse, margin revolute. Flowers corymbose. Fruit smooth 

 small. Erect plant. nigricans 



i. GALIUM ANTARCTICUM Hook. f. 



Glabrescent, with slender, sparingly-branched, decumbent stems. Leaves 

 in 4's, spreading-recurved, oblong or oblong-lanceolate, or linear-lanceo- 

 late, obtuse, the margins subscaberulous and recurved. Flowers 3-mer- 

 ous, solitary in the axils. Fruit with thick, short peduncles, glabrous. 

 Plant 10 cm. high ; leaves 12 mm. long. 



Fuegia ; Staaten I.; Falklands (also Kerguelen I.). 



S. Patagon., by Hatcher at Rio Coy, flower-buds formed Dec. 17, 1896. 

 " A very distinct little species, somewhat resembling G. saxatile L., of 

 Europe. It abounds in the Falkland Islands, especially near fresh water 

 lagoons." (J. D. Hooker ; B. Brown, by Rio Gallegos.) 



2. G. APARINE Linn. (G. pseudo-aparine Griseb.) 

 Weak annual, scrambling over bushes ; angles of stems, the leaves and 

 fat fruit with stiff retrorse hairs and hooks. Leaves in 6's or 8's, oblan- 

 ceolate to linear, cuspidate ; about 5 cm. long (but in Patagon., usually 



