64: REPORT ON TWO BOTANICAL COLLECTIONS FROM 
5-6 lin. long; callus oblong, dilated and truncate at the apex. Column stout, free part 
scarcely 2 lin. long, with a much longer foot. Mentum rounded, obtuse, 3 lin. long. 
Roraima: Kotinga Valley, McConnell & Quelch, 187.—Endemice. 
Allied to the Colombian Magxillaria melina, Lindl., but the leaves smaller, sheaths 
of the scape shorter, and with various differences in the structure of the flower. 
MaxrLLARIA Quetcut, Rolfe, sp. n. Subcaulescens, vaginis imbricatis multistriatis. 
Pseudobulbi compressi, apice monophylli. Folia oblonga, subobtusa, conduplicata. 
Scapi foliis sub:equales, vaginis lanceolatis subimbricatis obtecti. Bractea lanceolata, 
acuminata. Sepala oblongo-lanceolata, acuta. Petala lineari-lanceolata, acuta, 
sepalis breviora. Labellum trilobum, lobis lateralibus erectis rotundato-oblongis 
membranaceis, intermedio recurvo obovato-orbiculari obscure tricuspidato medio 
carnoso lateribus incurvo, callo oblongo obtuso concavo. 
Subeaulescent, with the stems clothed with conduplicate, triangular-lanceolate, acute, 
closely striate, imbricating sheaths, 1-2 in. long, and partly enveloping the pseudobulbs. 
Pseudobulbs compressed, broadly oblong, shining and puncticulate, wrinkled when old, 
1 in. long, $ in. broad, monophyllous at the apex. Leaves conduplicate, lanceolate- 
oblong, subobtuse, 3-4 in. long, $-1 in. broad.  Seapes 3-4 in. long, bearing 5-7 
lanceolate, acute, striate, somewhat imbricating sheaths, 6-12 lin. long. Bract resembling 
the sheaths, 10-12 lin. long. Sepals oblong-lanceolate, acuminate, 14 in. long. Petals 
linear-lanceolate, acuminate, 1} in. long. Lip i in. long, 3-lobed; side lobes erect, 
rounded-oblong, membranaceous, 1 lin. long, li lin. broad; middle lobe recurved, 
obovate-orbicular, obscurely tricuspidate at the apex, 2 lin. broad by nearly as long, 
thickened along the centre and incurved at the sides; crest oblong, obtuse, concave. 
Column clavate, incurved, 3 lin. long. 
Roraima, summit, at 8600 ft. alt., McConnell & Quelch, 690.—Endemic. 
Allied to the Peruvian M. floribunda, Lindl., but much less scandent, and smaller in 
all its parts. 
ONCIDIUM ORTHOSTATES, Ridl in Trans. Linn. Soc. Ser. II. Bot. ii. (1887), p. 283. 
Kwaimatta Savannah, McConnell & Quelch, 281. Ireng River, im Thurn, 19.— Also 
found at Mimatta, on the Rupununi River. 
SOBRALIA STENOPHYLLA, Lindl. Fol. Orch., Sobral. p. 2; Ridl. in Trans. Linn. Soc. Ser. II. 
ii. (1887), p. 283. : 
Kotinga River, MeConnell A: Quelch, 147. Ireng Valley, MeConnell & Quelch, 329. 
Ipelemouta, Arapu River, ¿m Thurn, 19. Roraima, Appwn, 1076.—Endemic. 
EPISTEPAIUM LUCIDUM, Cogn. in Mart. Fl. Bras. iii. pt. 1v. p. 141, t. 30. 
Roraima, upper slopes, McConnell & Quelch, 32.—Also found in Brazil. 
EPISTEPHIUM PARVIFLORUM, Lindl. Gen. & Sp. Orch. p. 433. 
. Kotinga Valley, McConnell & Quelch, 160.—Also found in Trinidad and elsewhere in 
British Guiana. 
