Vor. II.] PINK FAMILY. 27 
Cerastium brachypodum compactum Robinson, Proc. Am. Acad. 29: 278. 1894. 
Cyme capitate; capsules very slender. Nebraska to Texas. 
6. Cerastium arvénse lL. Field Chickweed. (Fig. 1489.) 
Vv (>. 
Cerastium arvense I,. Sp. Pl. 438. 1753. 
Perennial, densely tufted, erect or ascend- 
ing, pubescent or nearly glabrous, flowering 
stems simple or sparingly branched, 4/-10’ 
high. Basal leaves and those of the sterile 
shoots linear-oblong, close, slightly narrowed 
at the base; stem-leaves distant, linear or nar- 
rowly lanceolate, 5’’-15’’ long, 1//-2’’ wide, 
acute; flowers several, cymose, 6’/-8’’ broad; 
pedicels slender, erect; petals obcordate, 
much exceeding the lanceolate acute sepals 
which equal or are a little shorter than the 
slightly oblique pod. 
In dry, rocky places, Labrador to Alaska, south 
to Georgia, Missouri, Nevada and California. 
Also in Europe and Asia. April-July. 
Cerastium arvénse oblongifdlium (Torr.) Holl. & Britt. Bull. Torr. Club, 14: 47. 1887. 
Cerastium oblongifolium Torr. Fl. U.S. 460. 1824. 
Larger, pubescent, leaves oblong or lanceolate, broader, mainly obtuse; capsules about twice 
the length of the calyx. Mainly on magnesian rocks, southern New York to Virginia, west to 
southern Ontario, Minnesota and in the Rocky Mountains and Sierra Nevada. 
Cerastium arvénse velutinum (Raf.) Britton, Mem. Torr. Club, 5: 150. 1894. 
Cerastium velutinum Raf. Med. Rep. (II.) 5: 359. 1808. 
Cerastium arvense var. villosum Holl. & Britt. Bull. Torr. Club, 14: 49. 1887. 
Depressed, villous-pubescent, stem-leaves lanceolate or ovate-lanceolate; capsule 2 or 274 times 
the length of the calyx. On serpentine rocks, Lancaster and Chester counties, Pa. 
7. Cerastium alpinum I. Alpine Chickweed. 
(Fig. 1490.) 
Cerastium alpinum I,. Sp. Pl. 438. 1753. 
Perennial, generally silky-hairy, sterile stems prostrate, 
flowering stems erect, 2’-6’ high. Lower leaves somewhat 
oblanceolate or spatulate, dense, 2/’-4’’ long, obtuse; upper 
leaves distant, ovate-oblong, obtusish, 4’/-8’’ long; flowers 
solitary or 2~3, 6’’-9’’ broad; pedicels slender; petals 2-lobed, 
twice the length of the lanceolate acute scarious-tipped sepals; 
pod longer than the calyx, nearly straight. 
In moist, rocky places, Gaspé, Quebec; Labrador and in arctic 
America. Also in arctic and alpine Europe and Asia. Summer. 
Cerastium alpinum Fischerianum (Ser.) T. & G. Fl, N. A. 1: 188. 
1838. 
Cerastium Fischerianum Ser. in DC. Prodr. 1: 419. 1824. 
Taller; pubescence more rigid. Labrador and through arctic 
America to Siberia. 
