ORCHIDACE^ 



H. meso- bracts ovate-lanceolate, acuminate, little exceeded by the incurved 

 dactyla ovai^y; perigonial divisions exterior lateral reflexed, oblong-lan- 

 ceolate, superior deltoid, 2 interior 2-partite : their anterior seg- 

 ments setaceous, twice as long as the linear posterior ones; lip 

 3-partite: segments filiform: middle twice as long as the lateral 

 ones: spur little shorter than the ovary, filiform, somewhat cla- 

 vate, descending; appendages of the stigma short, thickish, 

 rounded. — Nearly allied to the preceding,^ with which it grows 

 intermingled {Cr.), and some characters depend perhaps upon 

 the more advanced state of development in which this was col- 

 lected. Habit and proportions the same, but stem rather higher, 

 flowers more distant, and lip-segments narrower. — Hab. Trini- 

 dad, Cr., in savannahs, Piarco." Griseb. loc. cit. 



I have seen no specimens of this species. In my herbarium there 

 is an excellent sketch of the material in the Kew Herbarium, for 

 which I am indebted to the kindness of Dr. D. Prain. This sketch 

 shows a slender plant with wand-like stems and linear, bract-like 

 leaves. The inflorescence is loose, somewhat one-sided, and few- 

 flowered. Contrary to the description published by Grisebach, 

 the middle division of the labellum, as shown by the sketch, is 

 much shorter than the lateral divisions. The material from which 

 the sketch was prepared was collected in Trinidad by Dr. Crueger, 

 and was used by Grisebach in his work on the Flora of the British 

 West Indian Islands; consequently the discrepancy between the 

 description and the material at Kew is of unusual interest. 



Kranzlin, in Orchidacearum Genera et Species, states that the 

 anterior division of the petals is longer than the posterior division, 

 but not twice longer, as described by Grisebach, and he describes 

 the labellum as tripartite, with the middle division about twice 

 as long as the lateral ones. (Plate 70.) 



^U. setacea, which Cogniaux has described as //. Cruegeri. 



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