384 PATAGONIAN EXPEDITIONS : BOTANY. 



2. SlLENE ANTIRRHINA PTERONEMA J. Ball. 



Calyx-veins as prominent ridges. Calyx-teeth longer. Capsule ovoid, 

 not globose. 



Valleys near Bahia Blanca, to N. Patagon., Rio Negro. 



3. S. BEHEN L. 



Glabrous, branching, with lower leaves petiolate, obovate-lanceolate, 

 mucronulate, upper leaves sessile, ovate-lanceolate. Calyx ovate-inflated, 

 striate-veiny. Petals pale pink, 2 lobed, the lobes short, obtuse, with 2 

 bicuspid appendages. Crete, etc. 



S. BEHEN CUCUBALUS (W.) O. Ktze. (Silem cucubalus Wibel.) 



Leaves ovate. Capsule berry-like. A diffuse climber. 

 (Eur. ; N. Afr. ; Himalaya) ; Patagon. 



2. LYCHNIS Linn. 



Calyx synsepalous, 5-toothed, not bracted at base. Petals 5, clawed, 

 generally crowned. Stamens 10. Ovary 5- (rarely 3-4-) valved ; styles 

 of the same number. 



Species 35, Eurasian ; abounding in Central and N. E. Asia, whence it 

 came to N. W. Amer., thence to mountains -of S. Amer. and Patagon. 



L. ANTARCTICA O. Kuntz. (L. chilensis Speg. non Gay.) 



Scapes often with 2-3 pairs of leaves. Calyx minutely glandular- 

 puberulous (not crispidulous as in L. chilensis Gay). 



S. Patagon., rocks near Lago Argentina. ("Probably a depauperate 

 form of Melandryiim patagoniciim Speg.") 



3. MELANDRYUM Roehl. 



Calyx ventricose to campanulate, io-2O-ribbed. Petals bifid, crowned. 

 Capsule 3-5-merous, its teeth twice as many. 

 Species 60, Eurasia, Nearctic; Andes. 



^ * 



i. M. CHUBUTENSE (Speg. sub Lychnis]. 



Perennial, densely cespitose, with fasciculate branchlets. Leaves very 

 narrowly linear, acute, glabrous, entire, marginally ciliolate. Scapes 

 elongate, pubescent, 2-3-nodose, apically i-3-flowered. Calyx ovate, 



