18 LESQUEREUX — CATALOGUE 



Hab. on trees, Oakland, common, Bol. 

 This diagnosis completes the short comparative description given of this species 

 in the Trans. Amer. Phil. Soc, vol. 13, p. 6. It is very small, not larger than the 

 small forms of 0. straiiyu/alam, Beanv., with which it has some affinity by the peris- 

 tome and form of the leaves. 



110. O. Kingianum, Spec. nov. Monoicnm, crespitoso pulvinatnm. Caulis 



erectus, pollicaris parce dichotome ramosus, inferne brunneus, superne 

 obscure viridis. Folia humida erecto-patentia, breviora, ovato-lanceolata 

 acutiuscula nervo carinata, e basi usque sub apice revoluta, reticnlatione 

 inferiori quadrato-elongata vel rectangnlari, superiore quadrata, obscure 

 granulosa et minute papillosa. Folia perichastialia conformia vix longiora. 

 Capsula in pedicello 2-3 lineas longa, exserta, ovalis, brunnea ki?vis, collo 

 brevi in pedicello attenuata, ore constricta, peristomii 1 6 dentes pallidi, 

 breves, obtusi vel erosi germinati ciliis 8 interpositis e duplo serie cellularum 

 compositis brevioribus. Calyptra elongata capsulam ad Ijasim usque inte- 

 gens, sublsevis. 



Hab. rocks near the falls of the Yosemite Valley, Bol. 

 Distinguishable from 0. anomalum, Hedw., which this species most resembles, 

 by its peristome, and from 0. Hutchinsice, Hook, and Tayl., by the areolation of its 

 leaves and other indicated characters. Appears also nearly related to 0. consimile, 

 Mitt. But the author says of his species: theca siccitate piicata,ciliis simplicibus aquilon- 

 gis, calyptra ramenlosa, characters at variance with those of our species. 



111. O. consiniile, Mitt. 



Hab. Vancouver Island, on trees, Lyall. 



112. O. Columbicuin, Mitt. 



Hab. same as the former, Lyall. 



113. O. Coulteri, Mitt. 



Hab. California, Coulter. 



114. O. pulchellum, Smith. 



Hab. Clear Lake, Bol. Also communicated from Eureka and Vancouver 

 Island by the same. 



115. O. LyeUii, Hook. 



Hal), on trees, very common in California, Menzies, Bol., Big., Bauer, Lyall, 

 Wilkes' U. 8. Exp., etc. 

 Var. foliis eorumque papillis longioribus, Sulliv. & Lesqx. 



Muse. Exsicc. Amer., Ed. 2d, No. 185. 

 0. Menzicsii, W. Hooker, Ms. 

 0. papillosum, Hampe. 



Hab. same as the former. 



All the authors who have examined this moss remark, that by its general ap- 

 pearance, it is indeed far different from the European species ; but the analysis fails to 

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