1:?2 cxxxiii. ORCHIDE^ (rolfe). [Polystccchya. 



There i» a slender basal branch on the inflorescence, but the species has no aflBnity 

 with the paniculate set. The name appears to be derived from the native name 

 *' Skeya." 



45. P. Beccarii, Reichh. f. in Martelli, Flm^l. Bogos. 80. 

 Pseudobuibs cylindrical, slender, 1 in. long, 3-leaved. Leaves linear- 

 lanceolate, 5 in. long, 2 lin. broad. Peduncles slender, 1 ft. long ; 

 rhachis very slightly puberulous, racemose. Bracts triangular, scarcely 

 as long as the pedicel. Dorsal sepal acute; lateral triangular, acute, 

 broader than the dorsal. Petals ligulate, acute. Lip broadly clawed, 

 trilobed ; side lobes obtusely auriculate ; front lobe ligulate, obtuse, 

 with an ancipitous callus on the claw ; disc slightly furfuraceous. 

 Column \ery short. Chin angulate, dwarf. 



xrile £and. Eritrea : along the road from Keren to Massowa, near Maldi, 



Beccari. 



Only known to me from the original description. 



4G. P. caduca, Reichh, f. Otia Bot. Hamh. ii. 110. Pseudobulbs 

 ovoid, 4-G lin. long, 2-o-leaved. Leaves linear or oblong-linear, sub- 

 acute or apiculate, 1-3 in. long, 2-3 lin. broad. Scapes lJ-2 in. long, 

 few-flowered, puberulous. Bracts ovate-lanceolate, acuminate, 1 J-2 lin. 

 long. Pedicels 2 J lin, long. Dorsal sepal ovate-oblong, concave, 2J lin. 

 long ; lateral obliquely triangular, acuminate. Petals lanceolate-oblong, 

 acuminate, 2 J lin. long. Lip unguiculate, 3 lin. long, entire ; limb ovate, 

 acuminate, slightly undulate, puberulous, with a transverse callus near 

 the base. Column stout, | lin. long. Chin oblong, obtuse, 2 J lin. long. 

 Capsule oblong, 4 lin. long. 



N"lle ILand. Abyssinia, 8200 ft., on tree stems, Schimper, 1159 ! 



47. P. expansa, Ridl. in Bolet. Soc. Brot. v. 198. Pseudobulbs 

 conical, \h in. long, Ij in. thick at the base, 2-leaved. Leaves 

 lanceolate-lorate, obtuse, G in. long, ^ in. broad, the upper shorter. 

 Scapes stoutish ; racemes many-flowered ; rhachis stout, pubescent. 

 Flowers h in. diam., resupinate, expanded. Bracts cupuliform, short, 

 apiculate. Dorsal sepal obovate, obtuse, apiculate; lateral broadly 

 oblong-ovate, obtuse, shortly mucronate, widely spreading. Petals 

 oblong, truncate, shorter than the sepals. Lip entire, recurved, 

 sigmoid-oblong, dilated at the apex, abruptly truncate, with a tooth- 

 like, appreased, acute callus at the base, pruinose nearly all over. 

 Column .short. 



Upper Guinea. Sierra Leone, without precise locality, Wilford ! 

 Zio-wer Guinea. St. Thomas : Angolares, Quintas ! near Lagoa Amelia and 

 S. Pedro, 3900 ft., Moller ! 



48. P. annularis, Reichb. /. in Flora, 1867, 114. Plant 6 in. 

 high. Pseudobulbs 2-4-leaved, ovate-oblong, 9 lin. long. Leaves 

 oblong or linear-oblong, acute, 3-3| in. long, G-7 lin. broad. Scapes 

 racemose, puberulous, few-flowered, 1 in. long. Bracts triangular- 

 acuminate, |-li lin. long. Pedicels hairy, longer than the bracts, 



