222 cxxxiii. ORCHIDE.E (rolfe). [Ilahenavia . 



32. H. psiloceras, Welw. ex Keichh. in Flora, 18G7, 99. Stem 

 " 2-3 ft. long/' base about 5 lin. diam. Leaves cauline, oblong, 

 acuminate or acute, 3-5J in. long, I-I2 lin. broad. Racemes rather 

 lax, 4 in. long. Bracts large, acuminate, G-12 lin. long. Pedicels 

 24 in. long. Dorsal sepal ovate, acute, carinate ; lateral deflexed, 

 semiovate, acute. Petals simple, acute, base very broadly ovate. Lip 

 tripartite ; side lobes filiform, acute ; front lobe linear, subacute, as 

 long as the side lobes ; spur very long, filiform, 6-6J in. long, apex 

 slightly thickened. Stigmatic processes elongate, spathulate, excavate. 

 Anther channels a Httle shorter than the stigmas. — Kranzl. in Engl. 

 Jahrb. xvi. 165. 



Itox^er Guinea. Angola : Pungo Adongo ; Pedro de Cazella, in shady rock- 

 fissures, very rare, Welwitsch, 680 ! 



33. H. vaginata, A. Rich, in Ann. Sci. Nat. ser. 2, xiv. 269, t. 17, 

 fig. 2. Plant about 8 in. high. Leaves 2, radical, spreading, broadly 

 ovate, apiculate. If -2 J in. long ; sheaths ovate-lanceolate, acuminate, 

 decreasing upwards. Raceme 2J in. long, many-flowered. Bracts 

 ovate-lanceolate, acuminate, 5-7 lin. long. Pedicels 4-5 lin. long. 

 Dorsal sepal ovate, subobtuse, lJ-2 lin. long; lateral deflexed, sub- 

 falcate-oblong, subobtuse, 2 J lin. long. Petals simple, subfalcate-oblong, 

 subobtuse, nearly as long as the dorsal sepal. Lip trilobed ; lobes 

 linear-oblong, obtuse, 2 J-3 Un. long, subequal ; front lobe a little longer 

 than the side lobes; spur 9-11 lin. long, slender at the base, slightly 

 thickened above. Stigmatic processes broadly clavate-oblong, j lin. 

 long. Anther channels as long as the stigmas. Rostellum oblong, 

 truncate, | lin. long. — A. Rich. Tent. Fl. Abyss, ii. 290 ; Reichb. f. in 

 Walp. Ann. iii. 586 ; Kranzl. in Engl. Jahrb. xvi. 152. 



lOTile liand. Abyssinia : Semen ; in the middle mountain region towards 

 Shoata, Schimper, 1350 ! Begemeder Prov., 8200 ft., Schimper, 552 ! and without 

 precise locality, Schimper, 614! 634! 639! 



34. H. engleriana, Kranzl. in Engl. Jahrb. xvii. 68, t. b,fig. A, 

 Stem 2 ft. high, strong, densely leafy from, the base to the raceme. 

 Leaves lanceolate, acuminate or acute, decreasing upwards into the 

 bracts. Racemes distichous, few- to 8-flowered. Bracts oblong or 

 oblong-lanceolate, J-f as long as the pedicels. Dorsal sepal galeate, 

 acute, 8 lin. long ; lateral larger than the dorsal, semiovate, acute, 

 deflexed, 9 lin. long. Petals lanceolate, acuminate, free from the 

 dorsal sepal, 8 lin. long. Lip 10 lin. long, basal third entire, linear- 

 cuneate, then shortly trilobed; side lobes broadly semiovate, outer 

 margin fimbriate; front lobe linear, obtuse; spur filiform, 4J-6 in. 

 long, slightly curved, apex scarcely thickened. Stigmatic processes 

 porrect, a little dilated near the apex, about 3 lin. long. Anther 

 channels shorter than the stigmas, bipartite at the apex. Rostellum 

 minute, triangular. 



Upper Guinea. Togo : Bismarcksburg, Biittner, 692. 

 Only known to me from the published description, and figure. 



