MACLOSKIE : CARYOPHYLLACEyE. 385 



glandular, pubescent, lonerved, with broad teeth. Capsule scarcely 

 exserted. 



Patagon., Chubut, by Rio Carren-leofu. "Distinguishable from M. 

 magellanicum by its leaves being mostly broader, rigid, acute or sub- 

 pungent, strongly carinate, margin often pectinate-ciliolate." (Speg.) 



2. MELANDRYUM MAGELLANICUM (Desr. sub Lychnis] Fenzl. 



Subvillous. Roots suffrutescent, bearing several rosettes of linear, 

 grass-like leaves, and 3 pairs of rather broader, cauline leaves on the scape, 

 12 cm. high; mostly i -flowered. Petals bifid, exceeding the campanulate 

 calyx. 



Allied to M. apetalum (L.) of the Arctic regions. 



Patagon. Magellan (Hatcher); N. and E. Fuegia. (Dusen, "of the 

 steppe-flora.") 



3. M. PATAGONICUM Speg. 



Perennial, laxly cespitose. Branches crowded, decumbent, densely 

 leafy upwards. Leaves elliptic-lanceolate, acute, base very attenuate, 

 densely glandular on both surfaces, hispid-velvety. Scapes axillary, long, 

 naked, pubescent, i -flowered. Calyx green, glandular-pubescent, ob- 

 tusely 5-toothed. 



Patagon., Chubut, by Lago Fontana. 



4. ALSINE Linn. 1737. (Stellaria L. 1753.) 



Tufted annuals, generally diffuse, with cymose, white flowers. Petals 

 2-partite, rarely none. Styles usually 3, rarely 4-5, oppositisepalous. 



Capsule ovoid, opening by twice as many valves as the styles. 



Species 75 ; in temperate and cold climates. None in Brazil ; a few in 

 Chili. 



KEY TO THE SPECIES. 

 A, Flowers axillary only. Leaves narrow. 



b. Leaves narrow-linear. axillaris. 



b2. Leaves linear-lanceolate. debilis. 



A2. Leaves linear. Flowers lateral or terminal, long-pediceled. chubutensis. 

 A$. Flowers axillary and in terminal cymes. Leaves broader. 



b. Leaves lanceolate-oblong. Sepals exceeding the bifid petals. lanceolata. 



b2. Leaves lanceolate. Petals short or none. Seeds smooth. borealis. 



b$. Leaves rounded, 3-nerved. rotundifolia. 



64. Leaves ovate to cordate. Ciliary line along the stem. media. 



b$. Lower leaves petiolate-cordate, upper leaves sessile, lanceolate. tumorum. 



