Holothrix.] cxxxiii. ORCHiDEiE (rolfe). 19 3 



conical, small, J-Jas long as the limb. — Durand & Schinz, Conspect. 

 Fl. Afr. V. G9, in part. 



wile Iiand. Abyssinia : Debra Erki, near Woina, on mountains, 7000 ft., 

 Sohimper, 759 (ex Reichenhach). Begemeder ; Mt. Semayata, among grasses, Schimper, 

 504! 



Clearly distinct from H. Richardii, Rolfe, with which it has been confused. 



7. H. IVyasae, Rolfe. Plant 9-10 in. high. Leaves 1 or 2 (?), 

 orbicular or broadly cordate-orbicular, long pilose, about J in. long, 1 in. 

 broad. Scapes 9-10 in. long, densely pilose ; racemes 2 in. long, secund, 

 12-14-flowered. Bracts ovate, acute, 2 lin. long. Pedicels 2 lin. long. 

 Sepals ovate, acute, pilose-ciliate, IJ lin. long. Petals cuneate-linear^ 

 2 J lin. long ; apex tricuspidate. Lip flabellate, 2|- lin. long ; apex 

 shortly 7-lobed ; lobes triangular-linear. Column stout, J lin. long. 



XVIozamb. I>lst. Portuguese East Africa : mountains east of Lake Nyasa, 

 Johnson ! 



8. H. tridentata, Reichh. f. Otia Bot. Hamh. ii. 119. Plant 

 2^-5 in. high. Tubers ovoid-globose, 3-4 lin. long. Leaves 2, radical, 

 subopposite, orbicular, ciliate, 5-7 lin. long; the upper generally 

 smaller than the lower. Scapes 2\-i) in. long, retrorsely pilose, more 

 pubescent above, without sheaths ; racemes J-1 in. long, 4-12-flowered. 

 Bracts triangular-ovate, acute or subacuminate. Pedicels 1 lin. long. 

 Sepals ovate, 1 lin. long; apex unequally tricuspidate; side lobes short 

 and obtuse ; middle lobe longer, subulate. Petals broadly elliptic- 

 oblong, 1\ lin. long; apex very unequally tridentate ; side lobes short 

 and obtuse; middle lobe long, cuspidate. Lip 2 lin. long, broadly 

 oblong below, upper half divided into 7 diverging, unequal, oblong, 

 subobtuse lobes ; spur broadly conical, horizontal, somewhat curved, 

 scarcely \ lin. long. Column stout, ^ lin. long. — Peristylus tridentatus^ 

 Hook. f. in Journ. Linn. Soc. vii. 221. Platanthera tridentata, Engl. 

 Hochgeb. Fl. Trop. Afr. 179. 



Upper Guinea. Cameroons : 7000 ft., ilt/a«w, 2128 ! 8000-11,000 ft., Jb/iw^/on .' 



9. H. platydactyla, Krdnzl. in. Engl. Jahrh. xvii. (jQ. Tubers 

 small, globose. Leaves 2, subopposite, the upper rather smaller 

 than the lower, 6-8 in. long, about as broad, thick and fleshy, sub- 

 orbicular, acute or subobtuse ; margin ciliate. Scapes 5-6^ in. long, 

 slender, densely pilose or villose, without sheaths ; racemes 1 in, long, 

 subsecund, few-8-flowered. Bracts ovate-lanceolate, acuminate or 

 aristate, 2 lin. long. Pedicels 1^-2 lin. long. Sepals triangular-ovate, 

 acute, 1 lin. long. Petals obliquely obovate-oblong, acuminate, with a 

 tooth on either side above the middle, Ij lin. long. Lip 2 lin. long, 

 flabellately 7-lobed, with obovate-oblong, obtuse lobes, the two outer 

 shorter, narrower and more acute. Column very stout, J lin. long. 



Upper Guinea. Cameroons ; Buea, in the grass region, 7200 ft., Preuss, 1036 ! 



10. H. pleistodactyla, Krdnzl. in Engl. Ffl. Ost-Afr. C. 151. 

 Plant 6-7 in. high. Leaves 2, subopposite, very unequal, the lower 



