POPULAR FLORA. 



129 



B. CoRTMBED S. Herb 1° to 2° high, with a terete stem, little branched ; leaves oblong, clotted with 

 black as well as with transparent dots, and so generally are the pale yellow petals ; sepals oblong. 

 Low grounds. H. corijinhbsum. 



* * * Stamens few, 5 to 15. Styles 3, short. Pod one-celled. Slender annuals, growing in wet 

 or sandy places, 4' to 15' high : flowers very small. 



6. Small S. Stem weak, with spreading branches, leafy to the top; leaves ovate or oblong, partly 



clasping, 5-ribbed. H. muiilum. 



7. Canada S. Branches erect, leaves lance-shaped or linear; cymes leafless. 77. Canadenst, 



8. Pine-weed S. Bushy-branched, the branches wiry and very slender; the leaves very minute, 



awl-shaped, close-pressed to the branches; flowers minute, sessile along the branches. B. Sarolhra. 



15. PITfK FAMILY. Order CARTOPHYLLACEJi;. 

 Herbs with opposite and entire leaves, which are not dotted, the stems swollen at the 

 joints. Flowers regular, their parts in fives, sometimes in fours. Stamens never more 

 than twice as many as the petals or sepals, and often fewer, on the receptacle or the calyx. 

 Styles or stigmas generally separate, 2 to 5. Fruit a pod, which is generally one-celled, 

 with the seeds from the bottom or on a central column. These are kidney-shaped, and 

 have the embryo on the outside of the albumen, generally coiled around it — Bland 



308. Piece of Side-flowering Santlwort. 303. Flower mngnified. 304. A peed divided, shuwing the emhrvo coiled around llie outside o/ 

 the nlbnmeii. 305. Pistil of Sand-Spurrey cm thron^h lengtliwise nnd magnified. i03. Lower part of the OTury of the same, cut acrosi. 

 8(17. Flower of a Catclifly cut tlirougltleogthwiee. 3uS. A separate i)etal. 



