54 



AI.SINACEAE. 



Vol. 11. 



Arenaria Fendleri A. Gray. 



l''eiullcr"s Sandwort. I'ig. 1781. 



A. i-'ciuileri A. Gray, Mem, 

 1849. 



Am. Acad. (II.) 4: 13. 



Perennial by a woody root, pale green, glandu- 

 lar-pubescent above; stems tufted, erect, very 

 slender, usually several times forked, 4-15' tall, 

 the internodes I'-j' long. Lower leaves subulate 

 or setaceous, glabrous or minutely ciliate. I'-J,' 

 long, about i" wide, the upper gradually smaller 

 and somewhat connate at the base; cyme loose, 

 its forks fiHform. several-flowered; pedicels very 

 glandular, 3"-i2" long; flowers 4"-6" broad; 

 sepals linear-lanceolate. acuminate, scarious- 

 margined, nearly as long as the obovate petals; 

 capsule narrowly oblong, rather shorter than the 

 sepals, 3-valved, the valves 2-toothed. 



In dry, usually rocky soil Nebraska and Wyoming 

 to Utah, south to Xew Mexico and Arizona. June 

 Aug. 



6. Arenaria arctica Stcv. Arctic Sandwort. Fig. 1782. 



Arenaria arctica Stev. ; DC. Prodr. i : 404. 1824. 



Perennial, stem woody below, tufted, glandular-pubescent, 

 l'-2' high. Leaves linear or linear-lanceolate, sessile and sheath- 

 ing, densely imbricated, somewhat broadest at the base, 3"-4" 

 long, semiterete, obtuse, glabrous, ciliate or glandular-pubescent, 

 generally falcate, strongly keeled by the midvein ; peduncles 

 slender, terminal, 1-2-flowered ; flowers s"-S" broad ; sepals 

 linear-oblong, 3-nerved, obtusish ; petals obovate, twice as long 

 as the calyx; capsule slightly longer than the sepals; seeds smooth. 



Greenland and Labrador to Quebec, west through Arctic America 

 to Alaska, south in the Rocky Mountains to Arizona. Also in Asia. 

 Summer. Described in our first edition as Arenaria bifiora (L.) 

 S. Wats. 



Arenaria vema L. 



Vernal Sandwort. Fig. 1783. 



Arenaria vema L. Mant. 72. 1767. 



A. propinqua Richards. Frankl. Journ. 738. 1823. 



A. vema propinqua Fernald, Rhodora 8: 32. 1906. 



Perennial, densely tufted, flowering stems erect 

 or ascending, i'-5' high, branching, glabrous or 

 sparingly pubescent. Leaves subulate-linear, 

 rather rigid, imbricated below, more distant 

 above, 2"-4" long, the upper a little shorter and 

 broader than the lower; flowers 2"-^" broad, 

 numerous in loose cymes; pedicels 2"-4" long; 

 sepals lanceolate, acuminate, iJ"-2" long, 3-ribbed ; 

 petals slightly longer than the sepals; capsule 

 3-valved, exceeding the sepals ; seeds rugose. 



In rocky places. Smuggler's Notch, Vt. : Mt. Albert, 

 Gaspe, Quebec : Labrador and arctic America, south 

 in the Rocky Mountains to Arizona. Also in north- 

 ern and alpine Europe and Asia. Summer. 



