Mystacidium.'] cxxxiii. orchide^ (rolfe). 175 



17. M. dolabriforme, Rolje in Bolet. Soc. Brot. ix. 141. Plant 

 about 3 in. high. Leaves linear-oblong, unequally bidentate, IJ in. 

 long, 3-0 lin. broad. Racemes subereet, slender, 2^-5 in. long, many- 

 flowered. Bracts small, ochreate at the base ; apex shortly triangular. 

 Pedicels slender, 3J lin long. Dorsal sepal ovate-lanceolate, obtuse, 

 1 lin. long; lateral spathulate-linear, subfalcate, obtuse, '21 lin. long. 

 Petals somewhat axe-shaped, rounded and oblique below the apex, long 

 acuminate. Lip 3 lin. long ; base narrow ; apex tricuspidate ; lobes 

 linear-subulate, acute ; spur clavate, 2 lin. long. Column very short ; 

 rostellum apiculate ; pollinia with 2 slender stipites and distinct glands. 



JiOwer Guinea. Island of St. Thomas : cultivated specimens, Henriques ! 

 Originally flowered at the Coimbra Botanic Gardens in 1889. The axe-shaped 

 petals are peculiar. 



18. M. pedunculatum, Rolfe. Stem stout, 1-2 in. long, • Leaves 

 ensiform, obliquely subobtuse or obscurely bilobed, sometimes slightly 

 falcate, 3-7 in. long, 3-6 lin. broad. Peduncles slender, 3-G in. long, 

 with two or three small, narrow, tubular sheaths, several- or*many- 

 flowered at the apex. Bracts broadly ovate, somewhat obtuse, aggre- 

 gated, J-J lin. long. Capsules elliptic-oblong, pedicellate, 4 lin. long. 



XlfEozainb< I>ist. Portuguese East Africa : Makua-land ; Nainuli Mountains, 

 Last! British Central Africa: Mt. Chiradzulu, Manganga Hills, Miller, 3! Mt. 

 Mlanje, 4000 ft., McClounie, 29 ! 



A very distinct species, only known from fruiting specimens. 



19. M. distichum, Bentli. in Joiirn. Linn. Soc. xviii. 337. Stems 

 tufted, more or less curved, 3-9 in. long. Leaves equitant, distichous, 

 approximate, broadly elliptic-oblong, obtuse, falcately recurved, 4-9 

 lin. long. Flowers solitary, axillary, on very short peduncles, about 

 1 J lin. diam. Bracts ovate, obtuse, 1 lin. long. Pedicels 2 J lin. long. 

 Sepals ovate-oblong, obtuse, 1-1 J Hn. long. Petals oblong, obtuse, 

 slightly smaller than the sepals. Lip cucuUate, broadly ovate or ovate- 

 oblong, trilobed, 1 lin. long; side lobes broadly rounded; front lobe 

 triangular, subacute. Column very short ; polUnia with short stipites 

 and distinct oblong glands. — Pfitz. in Engl, et Prantl, Nat. Pflanzenf. 

 ii. Abth. 6, 216 ; Durand & Schinz, Conspect. Fl. Afr. v. .o2. Limo- 

 dorum imbricatum, Sw. in Schrad. Neues Journ. i. 87 ; Pers. Syn. 

 PI. ii. 521. Anqrcficum distichum, Lindl. in Bot. Reg. 1835, t. 1781 ; 

 Bot .Mag. t. 4145. A'eranthus distichus, Reichb. f., in Walp. Ann. vi. 901. 



Upper Guinea. Sierra Leone : Sugar-Loaf Mountain, Barter ! near Wilber- 

 force, 250 ft., Johnston, 100 ! between Tawia and Herimankuna, Scott-Elliot, 4492 ! 

 and without precise locality, ^seZm.? / Loddiqes I Suieafkmaii .' Slurmont ! Lagos, 

 Millen,2l\ Lower Niger : Onitsa, jBar^er, 1362! Niger Delta: Brass, Barter, 1854! 

 Nun River, Mann, 523 ! Cameroons, Preuss, 434. 



i;ower Guinea. Gaboon: Munda; Sibange Farm, Soi/aux, 118! Princes 

 Island, Barter, 1992 ! St. Thomas, at Angolares, 650 ft., Quintas, 11 ! 



