170 cxxxiii. ORCHiDE.E (rolfe). [Mystacidium, 



Spur clavate or snbclavate. 



Leaves 6-10 lin. broad . , . . 10. M. clavatum. 



Leaves lJ-3 lin. broad . . . . 11. M. Schumanni. 



Racemes longer, many-flowered. 

 Stems elongated and climbing. 



Leaves distinctly bilobed (Angolan species). 

 Lip reniform-orbicular or transversely ob- 

 long. . . . . . .12. M. xanthopollinium. 



Lip cuneate 13. M. rutilum. 



Leaves obscurely bilobed , . . . 14. Jf. productum. 



Stems sbort. 



Spur 6 lin. long 16. M. curvahim. 



Spur not 3 lin. long. 

 Leaves 1-2 in long. 



Petals ovate, acute . . . . IQ. M. Tridens. 



Petals dolabriform . . . . 11. M. dolahriforme . 



Leaves 3-5 in. long 18. M. jiedunculatum. 



Leaves equitant ' I'd. M. distichnm. 



1. M. infundibular e, Rolfe. Stems elongate, climbing; inter- 

 nodes I-I5 in. long. Leaves lanceolate-oblong, or linear- oblong, 

 obscurely and very unequally bilobed, o-() in. long, |-1 in. broad; 

 lobes obtuse. Peduncle 1 -flowered, 2 J in. long. Bracts broadly ovate, 

 :> lin. long ; apex mucronate. Pedicels 2 in. long. Flowers white, 

 fragrant. Sepals and petals elongate-linear, subacute, 2-2^ in. long. 

 Lip very large ; limb quadrate-obovate, very abruptly and shortly 

 acuminate, 2] in. long; spur 4-5 in. long, base narrowly funnel-shaped, 

 slender in the upper two- thirds. Column short, stout, about 8 lin. long, 

 — Angrcecum infundihulare, Lindl. in Journ. Linn. Soc. vi. 136. 



lao-wer Guinea. Princes Island, Barter, 2005 ! 

 A very distinct and remarkable species. 



2. M. Astroarche, Rolfe. Plant caulescent, 1 foot high. Leaves 

 elliptic-oblong, obtuse, obscurely and unequally bidentate, 3-4 in. 

 long, f-1 in. broad. Scapes 4-5 in. long, 1-o-flowered at the apex. 

 Bracts ovate, obtuse, 2-3 lin. long. Sepals ' lanceolate, lf-2 in. long. 

 Petals slightly smaller than the sepals. Lip similar to the petals but a 

 little broader ; disc with a slight median keel ; spur pendulous, filiform, 

 slightly thickened at the apex, 1 in. long. Column short and broad ; 

 anther slender, depressed ; pollen globose ; discs squamiform, distinct ; 

 rostellum short and broad. — Angrcecum Astroa/rche, Ridl. in Bolet. Soc. 

 Brot. v. 101), t. C, fig. a. 



ZiO-wer Guinea. Island of St. Thomas : Nova Moka, 2900 ft., Quintas, 4 ! 

 A large-flowered species allied to the preceding. 



3. M. longicaudatum, Rolfe. Stems elongated, erect and climb- 

 ing. Leaves linear-oblong, obliquely and obtusely bilobed, 4-4 J in. long, 

 5-7 lin. broad. Scapes suberect, 4-0 in. long, 2-3-flowered, with two 

 or three tubular sheaths below. Bracts broadly ovate, obtuse, 6-7 lin. 

 long. Pedicels 2-2J in. long. Sepals and petals triangular-lanceolate. 



