MACLOSKIE: REVISION OF FLORA PATAGONICA. 211 



P. 669 : 



COLLOMIA PATAGONICA Speg. 



Is to be deleted, as the species represents plants belonging to Nicotiana 

 alpina Poepp. (Spegazzini in litteris ex Brand, p. 54.) 



P. 672 : 



POLEMONIUM Linn. 



P. MICRANTHUM Benth. and P. ANTARCTICUM Griseb. 



Are made by Brand not synonyms, but independent species, differ- 

 ing thus. 



Stamens basally dilated ; leaflets rounded ; seeds brown, oblong. P. micranthum Benth. 



Stamens not dilated at base ; leaflets ovate ; seeds black, angled. P. antarcticnm Griseb. 



S. Patagonia; Fuegia. 

 P- 673 : 



P. ANTARCTICUM Griseb. 



Annual, only 2-8 cm. high, diffusely branching, glandular hairy. 

 Cotyledons oblong, persisting. Petioles long, leaflets ovate, 9-11. 

 Flowers solitary, axillary and terminal, short-pediceled. Calyx campan- 

 ulate, glandular, teeth lanceolate, as long as the tube; corolla white, 

 campanulate as long as the calyx, lobes oval acute, shorter than the tube. 

 Stamens inserted midway, not dilated basally, shorter than corolla. Style 

 shorter. Ovary subglobose, cells 2-3-ovulate ; seeds black, mucilaginous 

 in water. 



Antarctic S. Amer., at Rio Sta. Cruz, Coy Inlet, Magellan; Fuegia. 



P. GAYANUM (Wedd.) Brand. (Gilia gayana Wedd. Gilia diffusa Phil.) 



Annular, diffusely branching, glandulose, 10-15 cm. Radical leaves 

 long-stalked, cauline short-stalked, leaflets 7-9, linear-lanceolate, acute. 

 Flowers 2-3 together, pedicellate; calyx-lobes linear-lanceolate, longer 

 than the tube. Corolla white, campanulate-rotate, shorter than calyx. 

 Stamens inserted low, base not dilated; shorter than corolla. Style 

 shorter. Capsule globose, 3~5-seeded. Seeds brown, spirilliferous under 

 water. 



Andes ; Argentina ; Mid-Patagon., by Rio Carren-leofu. 



