742 PATAGONIAN EXPEDITIONS : BOTANY. 



about i cm.., and the whole plant 25 cm.). Cymes i-3-flowered in upper 

 axils. Fruit didymous, hispid, with hooks. 



(Europe and N. Amer.) ; S. Patagon., by mouth of Rio Sta. Cruz ; by 

 Hatcher at Cabo Negro, flowering Jan. 13; W. Patagon., in valley of 

 Rio Aysen (Dusen) ; Magellan, Fuegia, Ushuaia ; Cape Horn. 



Spegazzini gives two forms of the G. aparine L. var. pseudo-aparine 

 Gr. viz.: (i) Tall, diffuse, lax, stems retrorsely subspinulose ; leaves 

 rather large. (2) Small and contracted. Stems smooth ; leaves rather 

 small, somewhat approaching G. chonoense Clos. 



3. GALIUM CH^ETOPHORUM Griseb. 



Low, diffuse, with smooth, tetragonal stems. Leaves in 4's, oblong- 

 linear, mucronate-acute, transparent, venous, with long setae on the nerves. 

 Peduncles axillary, opposite, shorter than the leaf, i-2-flowered ; one 

 shorter than the other, with minute, 4-leaved involucre. Fruit sessile, 

 fleshy, with minute setules. 



(Argentina) ; N. Patagon., near Rio Negro. 



4. G. CHILENSE Hook. f. (including G. chonoense Hook. f). 



Stem retrorsely scabrid at the angles. Leaves in 5's or 6's, oblong- 

 lanceolate, acuminate-awned, scabrid on the nerves, and recurved on the 

 margins. Pedtmcles 15 -flowered, shorter than the leaf. Flowers minute. 

 Ovaries glabrous. Fruit hispid-pilose. 



Chonos Archip.; Patagon. (Speg.) ; Fuegia. 



5. G. CILIATUM Ruiz & Pav. 



Glabrous herb, with branching, procumbent, tetragonal stems, and leaves 

 in fours, lanceolate, ciliate, equal, reflexed. Peduncles 4-leaved, i- 

 flowered ; corolla white, rotate, with acute segments, apically purple and 

 ending in 1-2 setae. Fruit glabrous. 



G. CILIATUM PUSILLUM (Gill) O. Ktze. (G. pusilhim Endl.) 



Glabrous, small, rather creeping. Stem smooth, terete, sulcate. Leaves 

 in 4's, oblong-linear, mucronate. Peduncles equalling the leaves, at their 

 apex 4-bracted and 3-flowered. Immature />mfc minutely tubercled. 



(Chili ; Argentina) ; Patagon., Rio Sehnen ; Lago Argentine ; "Relfen." 

 The roots yield a dye for wool. 



