NO. 4 



MEXICAN MOSSES THERIOT 



erectus, 8-10 mm. longus ; capsula oblonga, erecta, basi attenuata; 

 operculum conico-rostratum ; annulus latus, peristomium sub orificio 

 insertum, dentes papillosi. 



Fig. 4. — Gyrozvcisia papulosa Ther. i, 2, leaves; 3, cells in upper part at a; 

 4, middle cells near /' ; 5, basal cells; h, cross-section of a leaf; 7, 8, perichaetial 

 leaves; 9, capsule; 10, fragment of peristome; 11, annulus. 



Differs from G. obfiisifolia by the very unequal, narrower leaves, 

 whose cells are more chlorophyllose and papillose, also by the capsule 

 with a broader annulus. 



HUSNOTIELLA REVOLUTA Card. Rev. Biyol. 36: 71. 1909 



Puebla : Guadalupe (662, 671, 800); Hacienda Santa Barbara 

 (4519. 4520, 4595 p. P-)- Morelia: (4922, 7653) ; Andameo (4829, 

 4841, 4842, 4845). Distr. Federal: Mixcoac (9441, 9447, 9475 P- P-, 

 9483). A^alle de Mexico (Bro. Aniablc): Desierto (1249); San 

 Juanico (1227) : Penon ( 1255) ; San Borja (1259). 



Forma ELATA Ther., form. nov. — Stems longer, up to 10 to 15 

 mm., green above, discolored below. Leaves dimorphous, the lower 

 short, oval as in the type, those of the young shoots elongated, almost 

 twice as long as the lower stem leaves. \'alle de Mexico: Contreras 

 {Bro. Aniahlc 1333). 



HUSNOTIELLA REVOLUTA Card. var. PALMERI (Card.) Ther., comb. nov. 



Husnoticlla Palii'tcri Card. Rev. Bryol. 37: 121. 1910. 



Puebla: (698) ; Rancho Santa Barbara {4594b). ]Morelia: Loma 

 Santa Maria (7880, 4902). Distr. Federal: Mixcoac (9471, 9475 

 p. p., 9490). 



