Mystacidium. CXXXIII. ORCHIDEZ (ROLFE). 175 
y 
17. M. dolabriforme, Jolie in Bolet. Soc. Brot. ix. 141. Plant 
about 3 in. high. Leaves linear-oblong, unequally bidentate, 14 in. 
long, 3-6 lin. broad. Racemes suberect, slender, 24—5 in. long, many- 
flowered. Bracts small, ochreate at the base; apex shortly triangular. 
Pedicels slender, 34 lin. long. Dorsal sepal ovate-lanceolate, obtuse, 
1 lin. long; lateral spathulate-linear, subfaleate, obtuse, 2} 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. 
Lower 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, Julie, Stem stout, 1-2 in. long. Leaves 
ensiform, obliquely subobtuse or obscurely bilobed, sometimes slightly 
faleate, 3-7 in. long, 3-6 lin. broad. Peduncles slender, 3—6 in. long, 
with two or three small, narrow, tubular sheaths, several- or many- 
flowered at the apex. Bracts broadly ovate, somewhat obtuse, aggre- 
gated, 4-4 lin. long. Capsules elliptic-oblong, pedicellate, 4 lin. long. 
Mozamb. Dist. Portuguese East Africa: Makua-land; Namuli Mountains, 
Last! British Central Africa: Mt. Chiradzulu, Manganga Hills, Miller, 3! Mt. 
Mlanje, 4000 ft., Mc Connie, 29 ! 
A very distinct species, only known from fruiting specimens, 
19. M. distichum, Benth. in Journ. 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} lin. diam. Bracts ovate, obtuse, 1 lin. long. Pedicels 2} lin. long. 
Sepals ovate-oblong, obtuse, 1-14 lin. long. Petals oblong, obtuse, 
slightly smaller than the sepals. Lip cucullate, broadly ovate or ovate- 
oblong, trilobed, 1 lin. long; side lobes broadly rounded; front lobe 
triangular, subacute. Column very short; pollinia with short stipites 
and distinct oblong glands.—Pfitz. in Engl. et Prantl, Nat. Pflanzenf. 
H. Abth. 6, 216; Durand & Schinz, Conspect. Fl. Afr. v. 52. Limo- 
dorum imbricatum, Sw. in Schrad. Neues Journ. i. 87; Pers. Syn. 
Pl. ii. 521. Angrecum distichum, Lindl. in Bot. Reg. 1835, t. 1781 ; 
Bot .Mag. t. 4145. Aéranthus distichus, Reich. 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, Afzelius ! Loddiges! Smeathman ! Sturmont! Lagos, 
Millen, 27! Lower Niger: Onitsa, Barter, 1362! Niger Delta: Brass, Barter, 1854! 
un River, Mann, 523! Cameroons, Preuss, 434. 
Lower Guinea. Gaboon: Munda; Sibange Farm, Soyaux, 118! Princes 
Island, Barter, 1992! St. Thomas, at Angolares, 650 ft., Quintas, 11! 
