16 ORCHIDS OF JAMAICA 



In shady places ; in fl. June ; Morant Bay, Swartz I J.P. 482, Morris F 

 Plant growing from a tuber, glabrous 5-15 ins. high. Scape erects 

 slender, with a few sheaths, 1-3 dm. 1., purplish. Sheaths about 5, 

 clasping, rounded at the apex, dark- or reddish-green, 2-1 cm. 1. Flowers 

 at the end of the scape "dark purple, glaucescent, like the calyx of 

 Qentiana Amarella " (Sw.). Peduncles 6-12, somewhat crowded, very long,, 

 2 -5-7 '5 cm. 1., filiform, 1-fid., lax, red. Bracts ovate, acuminate, entire, 

 concave, 3-nerved, green, 6-9 mm. 1. Sepals Snerved, narrowly oblong, 

 hooded at tip, connivent, erect, dark purple, 9 mm. 1., 1 • 75 mm. br. Petals 

 nearly as long as the sepals, white, 3-nerved, lanceolate, obtuse, about 

 8 mm. 1., 1-5 mm. br. Lip narrow at the base, erect, half-embracing 

 the column, nearly as long as the petals, 3-lobed ; middle lobe larger thar* 

 lateral, oblong, blunt ; lateral ovate, entire ; 3 raised lines marked with green 

 spots run from the base to the apex of the middle lobe. Column somewhat 

 stout, semi-terete. Anther bluntly apiculate. Capsule with 6 shallow 

 keels, 1 • 1 cm. 1., • 5 cm. br. 



3. VANILLA Sw. 



Herbs ; strong, high-climbing, branching ; stems witfer or some- 

 times without leaves, emitting roots. Leaves leathery, papery, 

 or membranous. Racemes or spikes axillary, generally short. 

 Flowers large. Bracts ovate. Sepals about equal, free, spread- 

 ing. Petals somewhat similar to the sepals. Lip, claw adnate 

 to the column ; limb broad, concave, embracing the column at the 

 base. Column long, \vithout a foot ; stigma transverse under 

 the short rostellum ; clinandrium short or obliquely raised. Anther 

 attached to the margin of the clinandrium, incumbent, convex, 

 semiglobose or obtusely conical, vv^ith separate cells; pollinia 

 powdery-granular, free, or at length sessile on the rostelluia. 

 Capsule generally long, fleshy, not dehiscing or only slightly later. 



Species about 20, widely dispersed throughout the tropics 

 of the whole world. 



Leaves, wanting on main stem, lanceolate-subulate on 



terminal shoot 1. V. clavicufata.. 



Stem leafy. 



Bracts large, foliaceous. Leaves much longer than 



internodes 2. V. inodora. 



Bracts small, not foliaceous. Leaves about as long 

 as, or shorter than, internodes. 



Leaves ovate, small, shorter than internodes ... 3. V. Wrightii^ 

 Leaves oblong or elliptical, large, about as long 

 as internodes. 



Flowers 2J-3^ in. 1. Capsule thick. 



Capsule rounded and somewhat flattish - 



in section 4. V. phceantha, 



[Capsule somewhat 3 -cornered in section V. pompona.'] 

 [Flowers 2 in. 1. Capsule slender V. planifolia.'] 



1. V. elavieulata Sw. in Nov. Act. TJpsal. vi. 66, t. 5, fig. 1 

 (1799) (figure* bad); leaves wanting on main stem; on the 



• This figure does not agree with description of Fl. Ind. Occ, but it. 

 may refer to V. Wrightii. 



