216 cxxxiii. ORCHiDEiE (liOLFE). [ffahenuria. 



14. H. clarencensis, Eolfe. Tuber oblong, IJ in. long. Plant 

 J-2-J ft. high. Leaves cauline, oblong-linear, acute, li-lO in. long. 

 Racemes 2-11 in. long, many- flowered. Bracts oblong-lanceolate, 

 acute, 4-G lin. long. Pedicels 4-6 lin. long. Sepals ovate-oblong, 

 obtuse, 1 J-lf lin. long ; lateral suboblique. Petals ovate, obtuse, 

 slightly shorter than the sepals. Lip Ij lin. long, trilobed from a 

 broad base; side lobes oblong, obtuse, spreading; front lobe ovate- 

 oblong, obtuse, broader than the side lobes; spur filiform, 5-6 lin. 

 long. Stigmatic processes very short, stout, subacute. Anther 

 channels a little shorter than the stigmas. Rostellum oblong, very 

 short, obtuse or minutely bidentate. — H. prcealta, Lindl. in Journ. 

 Linn. Soc. vi. 140; Hook. f. I.e. vii. 222 (not A. Rich.); Kranzl. in 

 Engl. Jahrb. xvi. 180 (in part). 



Upper Guinea. Fernando Po : top of Clarence Peak, 10,000 ft., Mann, 645 ! 

 Allied to the Bourbon H. jprcealta, A. Rich., with which it has been confused, but 

 the spur is much longer' than the ovary, and not at all clavate. 



15. H. attenuata, Hook.f. in Journ. Linn. Soc. vii. 221. Plant 

 1-lJ ft. high. Leaves few, cauline, oblong or linear-oblong, acute, 

 l|-3 in. long, 3-7 lin. broad. Racemes 2^-5 in. long, somewhat lax. 

 Bracts ovate-lanceolate, acuminate, 4-7 lin. long. Pedicels 3-4 lin. 

 long. Flowers green. Dorsal sepal broadly ovate, obtuse, concave, IJ 

 lin. long; lateral ovate-oblong, subobtuse or apiculate, IJ lin. long. 

 Petals entire, broad, ovate, obtuse, 1;^ lin. long. Lip trilobed ; lobes 

 fleshy ; side lobes linear, obtuse, spreading, 1 lin. long ; front lobe 

 linear-oblong, obtuse, a little longer than the side lobes ; spur 5-6 lin. 

 long, slender, very slightly thickened in the middle. Stigmatic 

 processes short, oblong, \ lin. long. Anther channel shorter. Ros- 

 tellum triangular, minute. — Kranzl. in Engl. Jahrb. xvi. 158. 



Upper Guinea. Cameroons: 7000 ft., Mann, 2118! 8000-10,000 it., Johnston, 

 30! 33! 



16. H. Spiranthes, Reichh.f. in Flora, 1865, 178. Plant 9-12 in. 

 high. Leaves about 3, cauline, linear-oblong, subacute, 1J-2J in. long. 

 Racemes 5 in. long, lax. Bracts oblong-lanceolate, acute or acuminate, 

 2J-6 lin. long. Pedicels 4— G lin. long. Dorsal sepal ovate, subobtuse, 

 1 J lin. long ; lateral falcate-oblong, subacute, 2 lin. long. Petals 

 lanceolate-oblong, subfalcate, IJ lin. long. Lip tripartite; lobes linear- 

 filiform ; side lobes 2| lin. long, curved at the apex ; front lobe a little 

 longer than the side lobes and slightly thickened at the apex ; spur 8 

 lin. long, slender, slightly curved. Stigmatic processes oblong, sub- 

 obtuse, J lin. long. Anther channels slender, erect, nearly as long as 

 the stigmas. Rostellum linear, J lin. long. — Kranzl. in Engl. Jahrb. 

 xvi. 165. 



DLo-wer Guinea. Angola : Pungo Adongo ; Pedra Songue and about Catete, in 

 grassy pastures, WelwitscJi, 684 ! 



17. H. filicomis, Lindl. Gen. dj Sp. Orch. 318. Tubers ovate. Stem 

 1-lJ ft. long, 2-leaved. Leaves cauline, very erect, sheathing, oblong- 



