100 cxxxiii. ORCHiDE^ (rolfe). [Pteroglossaspis. 



of the base; front lobe larger, cuneate, retuse or emarginate; disc 

 with three to five elevated tuberculate lines extending nearly to the 

 apex. Column short, dilated and angled above. 



XKozaml). Blst. German East Africa : Kilimanjaro ; Marangu, 4500-4700 ft., 

 among grass, Volkens, 266, 424, 



Only known to me from the original description. 



3. P. ruwenzoriensis, Rolfe. Leaves linear or lanceolate-linear, 

 acuminate, 8-10 in. long, 4-6 lin. broad. Scapes lJ-2 ft. high, with 

 many lanceolate, imbricate sheaths. Bracts lanceolate or linear-lanceo- 

 late, acuminate, 8-9 lin. long. Pedicels 4-5 lin. long. Sepals and 

 petals elliptic-oblong, obtuse, 4-5 lin. long ; base subcuneate. Lip 

 trilobed, 4-4|^ lin. long ; side lobes roundish-oblong ; front lobe sub- 

 orbicalar-oblong, as large as the side lobes ; disc slightly verrucose, 

 with a pair of erect calli in the basal angle. Column stout, IJ lin. 

 long. — Eulophia ruwenzoriensis, Rendle in Journ. Bot. 1895, 166. 



Wile Iiand'. British East Africa : Ruwenzori, eastern side, 6000-7000 ft., on 

 sunny hillsides, Scott-Mliot, 7813 ! 7859 ! 5300 ft., on granite, Scott-Elliot, 7551 ! 



A broad leaf mounted with the British Museum specimen, and described in the 

 original description, apparently belongs to some quite different plant. 



4. P. Carsoni, Rolfe. Leaves lanceolate-linear, acute, 6-8 lin. 

 long, 4 lin. broad. Scapes IJ-lJ ft. long, with four or five long, 

 imbricate sheaths. Bracts linear-lanceolate, acuminate, |-1 in. long. 

 Pedicels 4-5 lin. long. Sepals and petals oblong, subobtuse or apiculate, 

 4 J lin. long. Lip trilobed, 4 lin. long ; side lobes oblong, obtuse ; front 

 lobe obovate, obtuse, twice as broad as the side lobes; disc slightly 

 verrucose, with a pair of erect calli in the basal angle. Column stout, 

 Ij lin. long. 



Mozamb. Slst. British Central Africa: Lake Tanganyika, Carson! Fwambo, 

 5250 ft., Nutt ! 



13. ANSELLIA, Lindl. ; Benth. et Hook. f. Gen. PI. iii. 537. 



Sepals and petals subequal, free, spreading. Lip articulate to the 

 foot of the column, 3-lobed; side lobes erect, parallel; middle lobe 

 oblong or rounded ; disc 2-3-keeled or lamellate. Column erect, 

 equalling the side lobes of the lip, slightly curved, semiterete, with 

 acute margins; base produced into a very short, broad, concave or 

 slightly 2-lobed foot ; clinandrium entire, scarcely prominent. Anther 

 terminal, operculate, incumbent, convex or crowned with an obtuse 

 conical appendage, imperfectly 2-cened ; pollinia 2 or 4, confluent in 

 pairs, waxy, ovate, rounded, attached to a short broad stipes and 

 gland. Capsule oblong, without beak. — Epiphytic herbs. Stems tall, 

 thickened or somewhat fusViOrm, leafy. Leaves distichous, long, 

 plicate-veined. Peduncles terminal, branched. Flowers in lax panicles, 

 rarely in racemes, pedicellate. Bracts small. 



A genus of six species limited to Continental Africa, and only the South-eastern 

 A. gigantea, Reichb. f., occurring outside the tropics. 



Petals elliptic-oblong, distinctly broader than the sepals . 1. A. africana. 



Petals oblong, not, or scarcely, broader than the sepals. 



