114 PATAGONIAN EXPEDITIONS: BOTANY. 



drooping. Plant glaucous, differing from the common Silenece in the 

 fruit like a blackberry. 



Var. PATAGONICA Speg. Speg. Nov. Add., IV, p. 239. 



N. Patagonia, common between Carmen de Patagones and the mouth 

 of Rio Negro. Spegazzini supposes it to be identical with Silene behen 

 L. var. c^lcubalus (With.) Ok. Macl., p. 384. 



LYCHNIS L. 

 Add Macl., p. 384: 



L. MAGELLANICA Desv. Hook. f. (Fl. Ant. 246). 

 (Described p. 385, as Melandrymn magellanicum (Desv. non Desr.).) 



L. ANTARCTICA Ok. Macl., p. 384. 



Should be deleted ; identical with Melandrymn patagonicum Speg. The 

 specimen determined by Macloskie as L. antarctica actually belongs to 

 M. filifolium Dus. See below. 



Lychnis has calyx lo-nerved, 5-toothed; styles 5-4; capsule shortly 

 10-5 or 8-4-valved. Stamens 10. 



Subg. Agrostemma L. has i species, calyx teeth linear, at length twisted. 



Githago has long leafy calyx-segments, alternating with the styles, 

 instead of being oppositistylous. 



Melandrymn, Roehl & Endl. is subgenus of Lychnis with calyx in- 

 flated, ovary i-celled from base; capsule valves more or less cleft. 



Mountains and arctic regions. 



MELANDRYUM CHILENSE Gay. Rohrbach. 

 Syn. Lychnis. 



Erect, simple, from a thick root, slightly hirsute ; leaves linear-lanceo- 

 late, basi-attenuate, densely ciliate; cauline, few, broad membranaceous 

 and connate at base ; above acuminate, with ovate base. Flowers ter- 

 minal, mostly solitary. Calyx ovate, hairy, violet; striae meet at top. 

 Teeth about half as long as the tube. Petals white to violaceous, apically 

 bifid, with 2 obtuse appendages. Capsules ovate-oblong. 



N. W. Patagonia, Rio Puelo ; Chili. 



