130 ORCHIDS OF JAMAICA 



Species over loo, natives of tropica] America, from the Wes1 

 [ndies, Florida and Mexico to Brazil and Bolivia. 



Leaves 3-edged, keeled, linear-ligulate ; no pseudo- 

 bulb; lateral Bepals connate nearly to apex. 



Lip, middle lobe clawed 1. (). guttatum. 



Lip, middle lobe not clawed. 



Middle lobe entire 2. 0. triquetrum. 



Middle lobe 2-lobed 3. 0. pulchellum. 



Leaves flat : lateral sepals free. 



Pseudobulbs wanting, or, if present, small ; 



Leaves very broad, oblong 4. 0. luridum. 



Pseudobulbs present, leaves ligulate 5. 0. leucochilum. 



1. 0. guttatum comb. nor. ; leaves 3-edged, keeled, linear- 

 ligulate ; no pseudobulbs ; lateral sepals connate nearly to apex ; 

 lip 3-lobed, basilar lobes small, obovate-oblong, terminal lobe 

 many-nerved, kidney-shaped-2-lobed, broadly emarginate,apiculate, 

 clawed, crest with three erect lobes, two behind parallel, the 

 third concave in front. 0. quadripetalum Sw. Vet. Handl. Stochh. 

 xxi. 240 (1800). O. tetrapetalum Willd. Sp. PI. iv. 112 (1805) ; 

 IAndl. Gen. & Sp. Orcli. 198 & Fol. Orcli. Oncid. 12; Griseb. Fl. 

 Br. W. Lid. 631. O. tricolor Hook, in Bot. Mag. t. 4130 (1844). 

 Ophrys bulbis filiformibus &c. Plum. Amer. (Burm.) 177, t. 182, 

 /. 2. Viscum, delphinii flore albo guttato, minus, radice fibrosa 

 Shane Cat. 120 & Hist. i. 251, /. 148,/. 2. Epidendrum guttatum 

 L. Sp. PL 953 (1753). E. tetrapetalum Jacq. Sel. Stirp. 

 Amer. 230, t. 142 (17G3), Ed. pict, t. 216 ; Sw. Fl. Lid. Occ. 1484. 

 Cymbidium tetrapetalum Stt\ in Nov. Act. TJpsal. vi. 74 (1799). 

 C. guttatum Willd. Sp. PI. iv. 102 (1805). (PI. 29, f. 18-21.) 



On trees; in fl. Sept., Oct., March, April, in fr. March, April; Spanish 

 Town, Sloane, Herb. iv. 122, 123 ! Macfadyen ! Purdie ! Luidas Vale, St. 

 Thomas in Yale, Prior ! Mile Gullv, J. P. 246, Morris ! Chapelton, Faivcett ! 

 Mona, 1000 ft. ; Great Goat Is., 150 ft. ; Harris 1 Fl. Jam. 7873, 9017, 10,438. 

 Cuba, Hispaniola, Porto Rico, St. Thomas, St. Martin, Saba, St. Eusta- 

 tius, Mexico, Colombia. 



Plant 9 in. to 2 ft. high. Leaves, margin entire to somewhat serrulate, 

 5-20 cm. 1., 3-6 mm. br. Peduncle erect, simple or slightly branched above, 

 much longer than the leaves, with a few distant short acute sheaths below 

 (5-9 mm. 1.), many-flowered above, 3-6 dm. 1. Pedicels with ovary 1 3-2 cm. 1. 

 Bracts triangular, acute, much shorter than ovary, 3-5 mm. 1. Flowers vari- 

 able in colour, lip white tinted with pink, sepals and petals brownish with 

 purplish markings, or flowers dingy-brown with rose-coloured markings, or 

 brilliantly coloured white, green and crimson ; lip over J in. 1., in. br. 

 Sepals spathulate, keeled, apex acute, 7 " 5-8 mm. 1. ; lateral 5-nerved; median 

 3-nerved, 3 mm. br. Petals 3-nerved, in general outline broadly elliptical, 

 broadly clawed, more or less indistinctly 3-lobed, lateral lobes rounded, 

 median lobe broadly triangular-ovate, apex shortly acute, 7*5-8 mm. 1., 

 4-5-5 mm. br. Lip varying in size, 10-13 mm. 1., 8*5-16 mm. br., lobes 

 2-5 mm. 1. Column short, 3 - 5 mm. 1., with a broad square wing in front 

 of low r er half ; upper wings falcately ovate, acute, 3 mm. 1. 



O. variegatum Sw., from Hispaniola, differs in its obtuse sepals and 

 emarginate petals. Although this species and O. sylvestre Lindl. are quoted 

 by Grisebach from Jamaica we have not seen any authoritative specimens. 



