THELIA HIRTELLA (Hedw.), Sulliv.
Tab. 80.
Plantæ demisso-cæspitantes; cæspitibus densissimis cxtensis fiavesccnti-viridibus.
Caulis 3–10-uncialis, radiculari-tomento obrutus, arcte reptans'sæpeque ultra casspitis circuituni longissime porrectus; ramulis erectis confertissimis brevibus 3–5-linearibus tereti-foliosis obtusis.
Folia dense imbricata, concava, orbiculari-ovata, snbito tenui-acurainata, basi decurrentia, dorso scaberrima, superne margine spinnloso-dentata, inferne lobato-ciliata, ciliis longis sursum curvatis plus minus dentatis; reti e cellnlis ellipticis dorso papilla unica simplici curvula instructis composito; costa debili ad medium evanescente: perichaetialia numerosa laxa, superiora oblongo-lanceolata, tenuiter acuminata, superne ciliis elongatis dentatis fimbriata.
Flores masculi adhuc ignoti: feminei copiosissimi, cauligeni.
Capsula ovato-cylindracea, erecta, symmetrica, leptoderma, microstoma, exannulata; pedicello 3–4 lineas alto; peristomio duplici, exteriore e dentibus sedecem linearibus albescentibus granulatis remotius prominule articulatis, interiore e membrana angusta truncata; operculo conico-rostrato, capsula triplo breviore; calyptra cucullifonni ad capsula; medium descendente; spores pallide luteolis diametro 12500 unc. metientibus.
Thelia hirtella (Hedw.), Sulliv. Mosses U. States, p. 60; Sulliv. & Lesqx. Musc. Bor.-Amer. Exsicc. (ed. 1), No. 247.
Pterigynandrum Hirtellum, Hedw. Sp. Musc. p. 89, t. 18, f. 2–6; Brid. Bryol. Univ. 2, p. 188.
Hypnum hirtellum, C. Müll. Synop. Musc. 2, p. 468.
Hypnum julaceum, etc., Dill. Hist. Musc. p. 322, t. 41, f. 58, pro parte?
