Jhjpnum. MUSCI. 411 



jirocGsses nearly equalling the tcoth ; ciliohc very short, solitary. — Pacif. 1{. I\ep. 

 iv. 190, t. 10. 



On the ground, iipitr Los Angoli's, Bigrloir. 



4. H. leuconeurum, Sulliv. & Lesq. Low, nithor densely respitose, iiTegularly 

 Lrancliei.l or the short branchlcts subpinnately arranged, yellowish green and shining: 

 leaves erect-spreading, ovate-lanceolate, narrowly acuminate, serrulate, costate to the 

 apex, papillose, areolation minute, ovate-rhombic above, shorter and equilateral 

 Ijelow ; perichietial leaves nerveless, with a long subllexuous dentate acumination : 

 llowers dioecious : capsule horizontal on a curvetl reddish pedicel, ovate-ohlong with 

 thick abrupt collum ; operculum acute; annulus sinqile : processes equalling the 

 teeth; ciliol.Tc much shorter, in threes. — Muse. Am.-Bor. Exsicc. 2 ed. n. 407'' ; 

 Lcsq. in Mem. Calif. Acad. i. 31. Tlii(idiuiii leuconeurum, Lescp ; Sulliv. Icon. 

 Muse. Suppl. 104, t. 80. 



On trunks of Qiinrns arjri/o/ia nnd on moist sli.ided hillsidus, Oaklinid, Bolandcr. This species, 

 togetlier witli tlic rest of tlie gioup and some other s|)ecies, arc referred by Lestiuereux, 1. c, to 

 tlie section Tkuidium (genus ThnkUum of .Scliiniiicr), from whicli tliey all seem to differ, however, 

 in their stems not villous and without parajihyllia, the leaves homomorphous and rarely at all 

 deeurrent, the dissimilar areolation, and the fewer and mostly shorter ciliola?. The only western 

 species nearly conforming to Tkuidium in most of these respects is H. P)i,AN-nowii, Web. & Mohr 

 (r. BInndowii, Hruch & Schimp. Hryol. Eur. t. 48G), collected by L'jall at Fort Colville. This 

 has a sinqdy jiinnate densely villous erect stem, the stem-leaves broa<lly ovate or suhcordate, long- 

 papillose on the back and villous at base, plicate, with rather loose elongated areolation, the 

 branch-leaves ovate-acuminate : capsule oblong, strongly curved on a smooth pedicel 2 inches 

 long ; operculum acute. 



§ 2. Stems mosthj prostrate: leaves smooth and s/iiniiif/, srarious, erect or sj^read- 

 in(j everij way (or complanate in Tiiamnium), costate to the middle or rareli/ 

 nearly to the apex. 



* Operculum short-conic, often ajnculate. 

 •h- Brandling pinnate or sometimes irreyular: leaves plicate ; areolation narrotvly 

 linear : Jlou^ers dirrrious {male plants often parasitic on the female). — Campto- 

 TiiEC'iUM. (Camptolhecium, Schimp.) 



++ Pedicels rough. 



T). H. lutescens, Hu<ls. Stem suhercct, irregularly branched or suhpinnate, 

 3 inches higli or more : leaves long-lanceolate, acuminate, strict and rather rigid, 

 plicate-striate, costa ceasing below the minutely serrate apex : capsule oblong-nylin- 

 (Iric, slightly cernuous, subarcuate, brownish ; operculum a('ute-conic. — Hedw. Muse. 

 Frond, "^iv, t. 16; Engl. Bot. t. 1301 ; Wilson, Bryol. 15rit. t. 25; Berkeley, Brit. 

 Moss. t. 5, fig. 2. Camptofhecium lutes^cens, Bruch & Schimp. 1. c, t. 558. 



California {Cmillcr) \ Victoria, OxQgow {Bolandcr) ; Vancouver Island (LyoU); also collected 

 ty Douglas. European. 



6. H. Nuttallii, Wils. Prostrate, broadly cespitose, bright yellow ; stems 3 to 

 5 inches long, rather sparingly divided, pinnately branched, the numerous crowded 

 branchlets 3 to 5 lines long, spreading or secund : leaves erect-spreading, strict, nar- 

 rowly oblong-lanceolate, acuminate, more or less sulcate-striate, serrate, margin re- 

 curved, costa nearly reaching the apex, areolation very long and narrow : jierichfetial 

 leaves filiform-attenuate, obsoletely costate : capsule long-cylindric, erectish, curved, 

 on a very short rough pedicel ; operculum short-beaked ; annidus narrow : processes 

 equalling the teeth ; ciliolrc very short. — Bryol. Brit. 334, 331), in note ; Sulliv. & 

 Lescp I.e., n. 338'' (2 ed. n. 514); Sulliv. Icon. Muse. 2 1 1 , t. 1 28. Les^kea Californica, 

 Hampe, Linujta, xxx. 400. Gamptothecinm Xuttallii, Bruch & Schimp. 1. c. vi. 6. 



Var. ' fitoloniferum, Les(i. Branches elongated, filiform, crowded: capsule 

 shorter and more slender. — Mem. Calif. Acad. i. 32. 



Common on trees {Bi<jrhur, Buun; BoI,nidn) ; Vancouver Island, J)mi<,l«!^, l.ynV. 



