CAEYOPHYLLACE^. 35 



3. S. lon'gipes, Goldie. (Long - STALKED Stitchwobt.) 

 Leaves somewhat rigid, ascending, lanceolate, acute, 

 broadest at the base. Cyme terminal, few-flowered, the 

 long pedicels erect, soaly-braoted. Petals longer than the 

 sepals. Seeds smooth. 



4. S. gramin'ea, L. Like the last, but the leaves broadest 

 above the base, the pedicels widely spreading, and the seeds 

 strongly but finely rugose. (Int. from Eu.) 



5. S. Uligino'sa, Murr. (Swamp S.) Stems weak, de- 

 cumbent or diffuse. Leaves lanceolate or oblong, veiny. 

 Petals and ripe pods as long as the sepals. Seeds roughened. 

 Cymes naked, becoming lateral. — Swamps and rills, eastward. 



6. S. craSSifo'lia, Ehrh. Stems diffuse or erect, weak. 

 Leaves rather fleshy, lanceolate to oblong, those of flowering- 

 branches smaller and thinner. Petals longer than sepals or 

 wanting. Seeds rugose-roughened. Flowers terminal or in 

 the forks of stem or branches. — "Wet places. 



7. S. borea'lis, Bigelow. (Northern S.) Stem erect or 

 spreading, weak, forking. Leaves broadly-lanceolate to 

 ovate-oblong. Petals 2-5, shorter than the sepals or want- 

 ing. Cyme leafy. Seeds smooth. — Wet places. 



8. S. humifu'sa, Eottb. Low, spreading or creeping. 

 liCHYes fies7iy, ovate or oblong. Pedicels axillary or terminal, 

 on leafy stems or branches. Petals a little longer than the 

 sepals. Seeds smooth. — Atl. Prov. 



S. CEKAS'TIIIM, L. MOUSE-EAU CmCKWEED. 



1. C. viseo'sum, L. (Larger M.) Stem ascending, hairy 

 and somewhat clammy. Leaves ovate or obovate, obtuse. 

 Flowers in close clusters. Pedicels not longer than the 

 sepals. Petals shorter than the calyx. — Not common, some- 

 times confounded with No. 2. 



2. C.' VUlga'tum, L. (Common M.) Stems hairy, viscid, 

 spreading. Leaves lanceolate-oblong , rather acute. Flowers 

 in loose cymes. Pedicels longer than the sepals. Petals 

 equalling the calyx. — Fields and copses ; common. 



