]58 cxxxiii. oRCHiDE^ (rolfe), [Listrostachj/s. 



3 lin. long. Petals similar to but a little smaller than the s 

 Lip broadly triangular-ovate, acuminate, as long as the petals, 2 J lin. 

 broad; spur slender, 2-2^1 in. long, ascending. Column rather 

 slender, 2 lin. long ; anther crested, oblong, retuse, hyaline, 1 lin. long, 

 y lin. broad ; stipites of pollinia subparallel, filiform ; rostellum trifid ; 

 middle lobe a little shorter than the side. — Angrcecum englerianum, 

 Kranzl. in Engl. Jahrb. vii. 333; xvii. 61, t. 4. 

 Upper Guinea. Cameroons : Mungo, Btichholz. 



IG. Ii. inuscicola, Rolfe. Stems shoii;, stout, about 5-leaved; roots 

 very thick. Leaves linear, conduplicate, rigid, 3-3J in. long; apex 

 obtuse or obscurely bilobed. Scapes suberect, 5-6-flowered, 3-5 in. 

 long. Bracts broadly ovate, obtuse or apiculate, 3-3J lin. long. 

 Pedicels 8-9 lin. long. Sepals ovate-lanceolate, subobtuse or apiculate, 

 j^,l_4 lin. long. Petals slightly smaller than the sepals. Lip broadly 

 rhomboid-ovate,' apiculate, 4 lin. long; spur slender, 2J-4 in. long. 

 Column short ; rostellum long, slender, bifid. — A'eranthus micscicola, 

 Reichb. f. in Flora, 1865, 190; Mystacidium muscicolum, Durand & 

 Schinz, Conspect. Fl. Afr. v. 54. 



Xio-wer Guinea. Angola : Pungo Andongo ; rocks of Tunda,Quilombo, Welicitach, 



17. Ii, rhipsalisocia, Rolfe. Stems short, with stout roots. 

 Leaves equitant, recurved, linear, subacuminate, 5-5J in. long. 

 Racemes 2J-3J in. long, recurved, about 10-flowered, secund. Bracts 

 very broadly ovate, cucuUate, obtuse or apiculate, lJ-2 lin. long. 

 Pedicels f in. long. Sepals lanceolate, acute, 4 lin. long. Petals 

 slightly smaller than the sepals. Lip ovate-lanceolate, acute, broader 

 than the petals ; spur stout at the base, tapering and strongly hooked 

 above, 5 lin. long. Column stout ; stipites of pollinia distinct, slender ; 

 gland broadly rounded. — AngrcEcum rhipsalisocium, Reichb. f . in Floia, 

 1865, 189. 



l^ower Guinea. Angola: GolungoAlto; in the primaeval woods of Sobato de 

 Quilombo, Wehoitsch, 662 ! (not 692 as quoted by Reichenbacb). 



18. Ij. "Wittmackii, Rolfe. Stems 2 lin. broad. Leaves very 

 thick, distant, ovate or oblong ; apex more or less unequal ; apices of 

 lobes i-2 lin. apart, obtuse ; sheaths rugose, with black hairy warts ; 

 limb of leaf nearly three times as long as the internodes. Inflores- 

 cence 2-flowered, opposite the leaves and much shorter, with some veiy 

 short scales at the base. Pedicels pilose with black hairs. Flowers 

 2i lin. diam., spreading. Sepals ovate, acute, sparsely pilose outside 

 with black hairs; dorsal sUghtly longer than the lateral. Petals as 

 long as the sepals, but about half as broad, linear, acute. Lip linear ; 

 apex triangular, acute ; disc with a pair of fleshy calli behind the orifice 

 of the spur ; spur straight or slightly curved, 5 lin. long. Column nearly 

 globose, very short. — Angrcecum Wittmackii, Kranzl. in Mitth. Deutsch. 

 Schutzgeb. ii. (1889), 158 ; Durand & Schinz. Conspect. Fl. Afr. 47. 



Upper Guinea. Cameroons, Bratin, 2. 



