14 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 85 



HYOPHILA SUBANGUSTIFOLIA Ther., sp. nov. 



Valle de Mexico: Tizapan, on earth, associated with the preceding 

 species and other mosses (Bro. Amahlc 1613 p. p.). 



Dioica. Caespites incohaerentes laxiuscuH, virides. CauHs perbrevis, 

 2-2) mm. altus. Folia sicca crispula, humida erecto-patentia, 1.3- 1.6 

 mm. longa, 0.40 — 0.45 mm. lata, oblongo-lanceolata, obtusa, breviter 

 mucronata, marginibus planis, integris, superne parum involutis ; costa 

 60 fx. lata, breviter excedente, dorso laevi ; cellulis basilaribus hyalinis, 

 ad costam elongate rectangulis, ad marginem brevioribus, superiori- 

 bus minutis, quadratis vel hexagonis, papillosis, obscuris, diam. 7-8 /a. 

 Pedicellus erectus, 4 mm. longus ; capsula oblonga, gymnostoma, annu- 

 lata; operculum oblique et longe rostratum, capsulam subaequans ; 

 sporae papillosae, diam. 18 fi. Flos masculus ignotus. 



I can find no better comparison for this than H. angustifolia Par. & 

 Ren., from Madagascar. It differs from the latter in its shorter stems, 

 oblong-lanceolate leaves (wider, scarcely involute above, and not 

 cucullate at the apex), more compact areolation, and longer opercu- 

 lum. 



WEISIOPSIS STENOCARPA Ther., sp. nov. 



Valle de Mexico: Desierto (Bro. Ainable 1205 p. p.). Growing 

 as isolated stems among other mosses, such as Didyinodoii oeiicits and 

 Cauipylium hispiduhiin var. Sommcrfcltii. 



Fir,. 8. — IVcisiopsis stcnocarpa Ther. i, 2, cauline leaves; 3, acumen; 4, me- 

 dian cells ; 5, basal cells ; 6, antheridial bud ; 7, perichaetial leaf ; 8, capsule ; 

 9, annulus ; 10. fragment of peristome. 



Autoica. ])usilla. Caulis ascendens, 2-5 mm. altus. Folia sicca cri- 

 spula, humore patula, lanceolato-acuminata. acuta, basi plicatula. 

 marginibus ])lanis, integris, 2-2.2 mm. longa, 0.3-0.4 mm. lata, costa 



