Page:Books from the Biodiversity Heritage Library (IA synopsisofbritis00hobk).pdf/179



''Sect. II.'' St. pinnately branched; l. falcato-secund, nerve single, areolæ linear.

a. Dioicous.

[dagger] Stems and branches strongly hooked at apex.

498. Dill. L. (H. exannulatum, Gümb.) St. 2-4in. erect, sub-pinnate; br. short, simple, few; l. crowded, narrow, falcato-secund, lanceolate-acuminate, striate, faintly sub-serrulate near the base; nerved nearly to apex; basal cells larger and inflated, gradually passing into the long narrower ones above; capsule sub-cylindrical, curved, cernuous, on a seta 1in. long or more.

Marshes and marshy heaths.

499. B. & S. (H. aduncum, Hedw. Stirpes, IV., t. 24, and Schp.) St. 2-6in. long, erect, sub-*pinnate; l. falcato-secund, somewhat distant, lanceolate-acuminate, occasionally faintly sub-serrulate near the base, thinly nerved two-thirds the length, not striate, basal angles decurrent excavate, of lax sub-quadrate cells, those above elongate rectangular; caps. cylindrical oblong arcuate, broadly annulate.

Swamps and marshes.