382 CARYOPHYIiLACEAE (PlNK FAMILY) 



lance-oblong; seeds roughened. {Alsine Britton.) — Swamps and rills, Md. to 

 P. E. I. and Nfd. ; also Mich., infrequent. (Eu.) 



3. S. fontinalis (Short & Peter) Robinson. Stems flaccid^ regularly dichoto- 

 jYious, bearing flowers in the forks ; leaves Unear-spatnlate, obtusish ; petals 

 none. (^Sagina Short & Peter; Alsine Britton.) — Moist cliffs, etc., Ky. and 

 Tenn. 



4. S. crassifolia Ehrh. Stems diffuse or erect, flaccid ; leaves rather fleshy., 

 oblong -lanceolate., acutish ; petals longer than the sepals ; seeds rugose-roughened. 

 (Alsine Britton.) — Springy places, Lab. and Gulf of St. Lawrence to 111., and 

 northwestw. (Eu.) 



5. S. humifusa Rottb. Spreading or creeping ; stems and branches (5 cm. 

 high) 1-8-flowered ; Zeai'es fleshy, ovate or elliptical (-4-6 mm. long) ; petals a 

 little longer than the sepals; seeds smooth. ( Alsine Britton. ) — Salty or brackish 

 marshes, Little Cranberry L, Me. (Redfleld) to Lab., Greenl., and Hudson B.; 

 rarely on inland shores. Upper St. John R., Me. (Goodale) ; also on the Pacific 

 coast. June-Aug. (Eu.) 



6. S. GLAUCA With. Tall (3-5 dm. high) and very slender, pale green; 

 flowers large, on long pedicels (often 6 cm. in length); sepals lance-linear, acute, 

 considerably exceeded by the petals ; leaves (2-4 cm. long) narrow, not at all 

 ciliolate at the base. — Grassy places along the railway, near St. Anne de 

 Beaupre, Que. {Churchill., Murdoch). (Nat. from Eu.) 



7. S. 16ngipes Goldie. Erect or decumbent, 3 dm. high, essentially glabrous ; 

 leaves linear-lanceolate, gradually attenuate from near the base, shining or 

 glaucescent, spreading, 2-4.5 cm. long ; inflorescence terminal, dichotomous ; 

 pedicels 2-3.5 cm. long; pod narroicly ovoid., exserted., shining., nearly black. 

 {Alsine Coville. ) — Woods, etc., near L. Ontario ; and in varying forms from the 

 Sask. far northw. and westw. 



Var. laeta (Richards.) Wats. Usually very glaucous, 1-2 dm. high ; leaves 

 shorter and relatively broader, erect and somewhat rigid, 1-2 cm. long ; inflores- 

 cence often reduced to 1 or 2 flowers. — The commoner form northeast w.; on 

 sandy or gravelly beaches about the Gulf of St. Lawrence, Hudson B., north w. 

 and westw. June. 



8. S. longifblia Muhl. Stem erect, weak, often with rough angles (2-5 dm. 

 high) ; leaves linear., acutish at both ends, spreading ; cymes scaly-bracted, at 

 length lateral., peduncled., many-flowered ; the slender pedicels spreading or 

 defiexed ; fruit pale straw-colored; seeds smooth. {Alsine Britton.) — Grassy 

 places, Nfd. to Md., and westw. June, July. (Eu.) 



9. S. GRAMixEA L. Stems weak, ascending or reclining, 3-5 dm. high, 

 rhombic in section ; leaves narrovjly lanceolate, broadest a little above the cilio- 

 late base; inflorescence pedunculate, terminal, diffuse, many-flowered; seeds 

 strongly but minutely roughened. {Alsine Britton.) — Grassy places, frequent. 

 (Introd. from Eu.) Var. latif6lia Peterm. is a form with somewhat broader 

 ovate- or oblong-lanceolate leaves, the lowest subpetiolate. — In similar situations. 



10. S. HoLosTEA L. Hather iaW; leaves lo7ig{H-S cm.), sessUe, consjncuoiisly 

 attenuate, ciliolate on the margin and midnerve beneath ; petals large, obovate, 

 usually cleft only a fourth to half their length. {Alsine Britton.) — Often culti- 

 vated, and tending to become established. (Adv. from Eu.) 



11. S. pubera xMichx. (Great C.) Boot perennial ; leaves elliptic-oblojig, 

 ciliolate, 1.5-5 cm. long, sessile or tlie lowest somewhat petiolate ; petals longer 

 than the calyx; stamens 10. {Alsine Britton.) — Shaded rocks, N. J. and Pa. 

 to Ind. and SDuthw. May. — The petals are cleft sometimes half their length, 

 sometimes nearly to the base. Late shoots produce much larger leaves and 

 often reduced flowers. 



12. S. mIcdia (L.) Cyrill. (Common C.) Annual or nearly so; stem hairy 

 in lines ; leaves ovate to ovate-oblong, the lower on hairy petioles ; petals shorter 

 than the calyx, 2-parted ; stamens 3-7 ; seeds scarcely roughened. (Alsine L.) 

 — A common weed. (Nat. from Eu. ) Var. pkocera Klett & Richter (S. 

 neglecta Weihe) with 10 stamens and more or less crested seeds, has been 

 reported by Holm from Washington, D. C; Sable L, N. S.; Man.; and B. C. 

 (Adv. from Eu.) 



