Page:Books from the Biodiversity Heritage Library (IA synopsisofbritis00hobk).pdf/164



Sub-genus VI. More or less pinnately branched; areolæ narrowly rhomboid or sub-vermicular, dilated at the angles; caps. cernuous and horizontal, on a smooth or rough seta; lid with a long beak.

a. Striatæ. l. sub-scariose, shining, more or less distinctly sulcate; areolæ long and narrow.

1. Seta smooth.

449. H.. L. (Isothecium myosuroides. Bry. Brit. 323.) St. slender; branches fasciculate incurved; l. somewhat spreading, from an ovate base lanceolate acuminate, serrulate, nerved more than half way; caps. elliptic-oblong, more or less inclined, on a twisted or curved seta; lid conical, with a short beak: dioicous.

Trunks of trees and rocks.

450. H.. Hoffm. St. 1in. sub-erect or creeping, scarcely pinnate; l. roundish-ovate or cordate, concave, rather obtuse, serrate, nerved above half way, margin recurved below; caps. sub-cylindrical, curved, small; lid conical, with a longish curved beak: parasitico-monoicous.

Roots of trees, rocks, &c.

Cornwall (Tozer in Herb. Hook.)     Spring.

451. H.. Brid. St. 1-2in. procumbent, branches very slender, more or less pinnate; st. l. ovate-acuminate, spreading recurved; br. l. ovate, concave obtuse, sub-erect, all serrulate and shortly two-nerved; areolæ quadrate on margin, the rest larger, longer