364 
filamenta valde 4-lobus, 0°75 mm. diametro. Filamenta 0°3-0°4 mm. 
longa ; antherae vix 0°2 mm. diametro. Gynaecium in toto circiter 
0°4 mm. longiim, ovario stylum aequante a disco occluso. Fructus 
rugosulus, 1 em. longus (an immaturus 
abasco, in inundated meadows by the river San 
Sebastian, Rovirosa, 264. 
3. M. Ses agg gem Loes. in Engl. Jahrb. vol. xxix. p. 98. 
Mex Vera Cruz: Chiconquiaco, between Misantla and 
J sais 'Sehiede. 
4, M. guatemalensis, Sprague, sp. nov.—M. occidentalis, Donn. Sm, 
Enum. pars vi. p. 7, non 
Ramuli satis robusti, brunneoli, teretes, juniores tetragoni, 
subalati, nitiduli, internodiis 0°5-2°5 cm. longis. Folia oblanceolata, 
apice obtusa, in basin cuneatim angustata, plerumque 4-6 cm. 
longa, 1*5-2° 2 om. lata, integra, coriacea, discolora, margine leviter 
recuryo, supra intense, subtus pallide brunnea, nervis medio 
excepto utrinque satis inconspicuis, nervo medio supra prominulo 
subtus prominente, lateralibus patentibus vel ge Baballs utrinque 
circiter a venulis inconspicuis ; petioli 4-5 m ongi. ‘ymae 
1-15 cm. longae, semel vel bie furcatae ; gedunoul crassiusculi, 
sibisinigean 4-6 mm. longi; rami primarii 2-3 mm. longi, 
secundarii 1 mm. longi, uniflori, apice bibracteati; pedicelli vix 
1 mm. longi, infra medium articulati; bracteae semicymbiformes, 
1-15 mm. longae, margine denticulato brunneo-purpureo. Fores 
tetrameri vel pentameri. Torus patelliformis. Sepala 2 exteriora 
15 mm. longa, 2 mm. lata (exp anata), brunneo-marginata, 
interiora duplo majora S ultra, margine lacerato-ciliato. Petala 
suborbicularia, vix ultra 2 mm. diametro. Discus tetragonus vel 
pentagonus, 2 mm. dia ieee ovarium haud occultans. tlamenta 
in angulis disci inserta, 0°5-0°6 mm. longa ; antherae 0°3 mm. 
longae, 0°5 mm. latae. Gynaecium in toto 1°4-2 mm. longum, 
— 1-125 mm., stylo 0°5-0°75 mm, longo. Fructus ignotus. 
ATEMALA, ale Peak “Chink 2600 m., Heyde et Lux 
en rhe Donnell Smith, 3 
5. eg regencnaing ree in Bot. Gaz. vol. xxiv. p. 393 ; Engl. 
Jahrb. vol. x 97. 
Costa Riek: Prov: Bee et volcano Poas, 2760 m., Donn. 
Smith, 6470. Mexico, ra : Cumbre del Obispo, 
between Papantla and Misantla, Schiede (ex Loes, l.c. 97). 
LITI.—_NEW ORCHIDS: DECADE 34. 
. 331. Pleurothallis attenua uata, Rolfe; inter species sectionis 
nine caespitosarum sepalis et petalis attenuatis facile 
« 
Caules secundarii brevissimi, Vaginis brunneis obtecti. Folia 
elliptica, minute tridenticulata, basi subattenuata, crassiuscula, 
-.. em. longa, 6-10 mm. lat Scapi graciles, 6-8 cm. longi, 
ori. “ol vhaga tubuloso-spathacene, apiculatae, 3-4 mm. 5 tonapa 
Sepala subconniventia, oblongo- 
near, saci, fesbrtie i 7 cm. ns, Petala lineari-lanceolata, 
margine pubescentia et prope apicem revoluta, 1 cm. longa. 
