ILjpnum. MUSCL , , , 



411 



proce^sses^ nearly equalling the teeth; ciliola. very short, solitary. - Pacif. I{. iJep. 

 On the ground, near Los Angeles, Bigeloio. 



4. H leuconeurum, 8ulliv. & Lesq. Low, rather densely cespitose, irre-ularlv 

 branched or the . u.rt brancldets subpinnately arranged, yello^4h green an/lS.^ 

 nir'^;?1i'^'''^'''7 ovate-lanceolate, narrowly acuminate, serrulate, costate to the 

 apex, papillose areolation minute, ovate-rhombic above, shorter and equilat.ril 

 below; pencha^tial leaves nerveless Math a long subflexuous dentate acuiJinatio /• 

 flowers dioecious : capsule horizontal on a curved reddish pedicel, ovate-oblon^r with 

 thick abrupt colliim; operculum acute; annulus simple: processes e.-uallimr the 

 teeth; ciliola3Tnuch shorter, in threes. - Muse. Am.-Bor. Exsicc. 2 ed n lo?' 



M2-.Suppl!^4?f80^"'- ' ''' "'''"■""'"^ ^^"^•^'^^"""-' ^-'^^ "^"^^-- I^-' 



the section Thuichumigeuns Thuidinm of Schi„,per), from which they all sLSEhLeve 

 l^Z^T r'-^'^ "^^'^ '^^^ ^^'''^ paraphyll'ia, the leaves homomo .'hous a i S^^^^^^^ 

 decurrent, the dissimilar areolation, and the fewer and mostly shorter ciliola?. The oX west.^n 

 species nearly conforming to 7y««V/mm in most of these respects is H. B aIdowi S & MdV 

 {T Blandow^^, Bruch & Schinip. Bryol. Eur. t. 486), collected hj Lyall at Fort Col ville This 

 has a simply pinnate densely villous erect stem, the stem-leaves broadly ovate or subco^ at; Ion 

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



itlfolrdumtur"""^*^^ '''''-'' °'^'^"^^' ''-''''' ^"'-^'^'^ - ^ --^^ pedrcdTSch';: 



§ 2. Stems mostly prostrate : leaves smooth and shininr,, smrlous, erect or spread- 

 ing every way (or complanate in Thamnium), costate to the middle orrareh, 

 nearly to the apex. -^ 



* Operctilum short-conic, often aplcxdate. 

 ^ Branching pinnate or sometimes irregular: leaves plicate ; areolation narroivh, 

 Linear : flowers dimcious {male plants often parasitic on the female). — Campto- 

 THEciUM. {Caniptothecium, Schimp.) '' ^ 



++ Pedicels rough. 



5. H. lutescens, Huds. Stem suberect, irregularly branched or snbpinnate, 

 ^ inches high or more: leaves long-lanceolate, acuminate, strict and rather ri-id 

 phcate-striate, costa ceasing below the minutely serrate apex : capsule oblong-cvbn- 

 dric, slightly cernuous, subarcuate, brownish ; operculum acute-conic. — Hedw^Iusc 

 Frond IV, t. 16; Engl. Bot. t. 1301 ; Wilson, Bryol. Brit. t. 25; Berkeley, Brit! 

 Moss. t. 5, f]g. 2. Camptothecmm lutescens, Bruch & Schimp. 1. c, t. 558 

 by^ilit^i' ^S-opea.'/''''"'' ^'-egon (^./ancZcr) ; Vancouver Island {Lyall); alio collected 



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 mar<dn re- 

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

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

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

 equalling the teeth ; ciliolse very short. — Brvol. Brit. 334, 339, in note • Sulliv & 

 Lesq. l.c n. 338" (2 ed. n. 514); Sulliv. Icon. Muse. 211, t. 128. Leshea Californica, 

 Hampe, Lmnrea, xxx. 460. Camptothecium Nuttallii, Bruch & Schimp 1 c vi 6 



Var. Stoloniferum, Lesq. Branches elongated, filiform, crowded: capsule 

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



Common on trees {Bigeloir, Bauer, Bolandcr) ; Vancouver Island, Doiu/hfs, L>/aN. 



