142 cxxxiii. ORCHiDEiE (rolfe). [Angrcecum, 



the apex, a little longer than the ovary. Column stout ; gland large, 

 triangular ; stipes simple, linear ; rostellum bipartite. 



laO'wer Guinea. Angola: Malange, on a tree, Mechow, 361. 



Only known to me from the original description. 



22. A. dives, Rolfe. Stem short and stout. Leaves linear-oblong, 

 obtuse, a little narrowed below, 4-6J in. long, 6-9 lin. broad. Racemes 

 i^umerous, erect, somewhat curved, 5-7 in. long, many-flowered. Bracts 

 broadly ovate froiri a tubular base, acute, IJ-lf lin. long. Pedicels 

 11-2 lin. long. Sepals and petals ovate-lanceolate, acute, 2 lin. long. 

 Lip sessile, broadly cucullate-ovate, acuminate and somewhat reflexed 

 above, 2 lin, long; spur subsaccate-oblong, obtuse, 1 lin. long. Column 

 very stout, h lin. long. 



xrile ]Land. British East Africa : Mombasa, KirJc ! Wakefield ! 



IMCozaxnb. Sist. German East Africa : Kilimanjaro, cultivated specimen ! 



A very distinct' species. The racemes are often borne two or three together from 

 each leaf-axil. 



23. A. occidentale, Rolfe. Plant very dwarf; stem scarcely J in. 

 high. Leaves 4, linear-falcate, ensiform, unequally bilobed at the apex, 

 obtuse, 1^-3 J in. long, 2 J lin. broad. Peduncles filiform, pendulous, 

 few to 8- flowered. Bracts very minute. Dorsal sepal ovate- triangular, 

 cucuUate ; lateral linear, obtuse, much longer than the dorsal. Petals 

 ovate, acute. Lip channelled at the base, deeply 3-lobed to the middle ; 

 segments narrow, more or less cartilaginous and contracted at the apex ; 

 spur incurved, shorter than the lip, bullate at the apex. Column short ; 

 anther flat, produced at the apex ; rostellum rostrate. — Saccolahium 

 occidentale, Kranzl. in Engl. Jahrb. xvii. 57. 



Upper Guinea. Cameroons : West of Buea, in the primaeval forests, 4000 ft.,. 

 Freuss, 965. 



Only known to me from the original description, but said to hflfve the habit of 

 the Madagascar species A. parviflorum. Thou. {(Eceocladus parvifiora, Lindl.), with a 

 pendulous raceme. 



24. A, Christy anum, Reichh.f in Gard. Chron. 1880, xiii. 806. 

 Leaves ligulate, approximate, nearly 3 in. long, | in. broad, broadest at 

 the base, "with a 2-angled unequal apex." Peduncles numerous, J-J in. 

 long, very flexuou*, 3-4-flowered. Pedicels articulate at the base. Sepals 

 and petals triangular, acute. Lip trilobed, much developed, " extending 

 into a retrorse conical spur, which has appended at a right angle another 

 inflated fusiform spur, separated from the superior part by a constricted 

 mouth " {Reichenhach)» 



Habitat not stated, but believed to be West Africa. 



Only known to me from the original description, but said to resemble Listro- 

 stachys arcuata, Reichb, f., in general aspect and dimensions, and to differ in having a 

 single stipes and smaller rhachis and flowers. 



25. A. Ellisii, Reichb, f in Flora, 1872, 278. Stem caulescent, 

 several inches high. Leaves obovate-oblong, bidentate, 4-8 in. long, 

 1-2J in. broad. Racemes pendulous, 1-2 ft. long, many-flowered. 



