ESL 
* 7 $ 
332 MR. H. N. RIDLEY’S REVISION OF THE 
vagina viridi truncata, 3-unciali; folium singulum ellipticum 
obtusum erectum amplexicaule, 5 uncias longum, 13 latum; 
scapus validulus 8-uncialis, dimidio inferiore nudo; racemus 
densus 5-uncialis; flores per parvi virides; bracteæ ovate lan- 
ceolate acuminate; sepalum posticum ellipticum lanceolatum 
obtusum, lateralia subequalia paullo obliqua quam labellum 
breviora; petala linearia obtusa longiora ; labellum tenue ovatum 
ellipticum ; auriculis brevibus obtusis, apice retuso bilobo, lobis 
obtusis, venis quinque; columna basi angusta, apice dilatato, 
stelidiis brevibus obtusis truncatis. 
Mexico: Mt. Campanario, near Anganguio, at 9000 feet alti- 
tude, Hartweg no. 395! San Felipe, Oaxaca, Galeotti no. 5053! 
. 84. MICROSTYLIS MONTANA, Rothrock, Reports on Geological 
Surveys, 1878, Botany, p. 264. 
Caulis gracilis, 3-43-uncialis, basi subglobosa, fibris vaginarum 
vetustarum undique tectns; folium 1-2, ellipticum ovatum vel 
lanceolatum obtusum, 5-nervium, 14-3 uncias longum, j4-1 
unciam latum; scapus gracilis erectus, 4-9-uncialis, basi unciali 
nuda ; racemus densus multiflorus ; flores minuti, rhachide arcte 
approximati ferme sessiles, * flavescente-albi ;” bractes ovales ; 
sepalum postieum ovale ellipticum obtusum, lateralia subsimilia 
paullo obliqua, apicibus excurvis, labello subsequali vel paullisper 
breviora; petala angusta linearia; labellum ovale sagittatum, 
apice obtuso, sepius emarginato subtrilobo, lobis lateralibus 
lanceolatis brevibus, medio minuto; auriculis brevibus obtusis; 
fovea lata, vix profunda; columna minuta, recta, stelidiis mi- 
nutis acutis. 
Arizona, Mt. Graham, at 9500 feet, Rothrock. 
Mexico, near St. Luis Potosi, Parry § Palmer, no. 858! San 
Miguelito, Schaffner 517 ! 
§ Tipuloidee. 
35. M. rrPULOrDEA, Lindl. in Ann. & Mag. Nat. Hist. xv. 1845, 
p. 256; Reichb. f. Orch. Centr.-Am. p. 162. 
Subcaulescens ; caulis 13 uncias longus, foliis dissitis 8, lanceo- 
latis acutis, basi angustatis, 8 uncias longis, unciam latis, patulis 
tectus; scapus gracilis elongatus, circiter 27-uncialis ferme 
omnino laxe racemosus; flores plures, virides, majusculi remoti, 
pedicellis gracilibus semiuncialibus; bractee longs angust® 
lanceolate. acuminate $-unciales ; sepala lanceolata lorata, late- 
ralia subfalcata; petala angusta linearia reflexa; labellum 
REN 
