16 



THE &ENUS MANETTIA 



leaves, on ordinary brancblets. Leaves small, 

 hairy on both sides ; lateral main veins 8 to 



4 pairs 58. mollis. 



Ovary sparsely pubescent-pilose ; flowers on 

 slender elongated branchlets much exceeding 

 the foliage-leaves, bearing small round 

 leafy bracts ; leaves become large, glabrate, 

 with 6 or more pairs of primary lateral 



veins 59. RiedeUi. 



GG. Calyx-lobes narrowly oblong-lanceolate for 

 linear. 



Whole plant, except flowers, glabrous 60. acutifolin. 



Stem and leaves patent-pilose or asperulo- 

 pubescent. 



Capsule tapering to a point at the apex 57. racemosa. 



Capsule with broad blunt apex and turbinate 



base 56. coccocypseloides 



EE. Corolla-lobes glabrous, or at most minutely 

 puberulous, on the back. 



Fruiting calyx-lobes manifestly leafy and flat, 

 conspicuous, ovate-lanceolate to suborbicular. 

 Calyx-lobes usually obtuse, scarcely acuminate. 

 Inflorescence panicidatc ; plant dries a light 



gi'een 4:7. mitis. 



Inflorescence manifestly umbellate. 

 Calyx-teeth often ovate-acuminate ; inflor- 

 escence-branches stout, the bracts involu- 



crate, manifest 45. umbellata. 



Calyx-teeth OA^ate-orbicular ; inflorescenc3- 

 branches very slender, bracts exiguous . . 46. duhia. 

 Calyx -lobes broad below the middle, lengthily 



acuminate above, with acute apex 48. fimbriata. 



Calyx-lobes often inconspicuous, in flower and 



frviit, sometimes elongate, then very narrow, 



curling; never broad and flat (but see M. 



dominicensis). 



Calyx manifestly tubular at the base, the tube 



adnate to the disc, lobes elongate ciirling. 



Calyx-lobes 4 ; flowers glabrous, even when 



immature ; primary lateral leaf- veins 7-8 



pairs 71 . Spragiiei. 



Calyx-lobes 8. 

 Young fruit quite glabrous, often on long 

 straggling stalks. 

 Petioles usually long (over 2 cm.), slender, 



subscandent 69. glandidasa. 



Petiole rarely longer than 1 cm., straight . 72. coccinea. 

 Young fruit minutely puberulous or pube- 

 scent. 



Petiole usually less than 5 mm. long. 

 Stem miniitely, densely, evenly pubes- 

 cent ; corolla glabrous outside 73. Snnctx Marlx. 



Stem coarsely unevenly pilose ; corolla- 

 tube hairy outside 70. rostaricensis. 



Petiole usually 1'5 cm., or longer 66. tarapotensis. 



Calyx-lobes 4, very small andffleshy (Bolivia). 75. divaricata. 

 Calyx-lobes 4, the tubular basal part absent or 

 obsolete, disc free. 

 Flowering calyx-lobes 6 mm. or longer, 

 linear- oblong, acuminate 65. dominicensis. 



