266 cxxxiii. ORCHIDE^ (rolfe). [ScUyrium. 



somewhat reflexed ; spurs linear, somewhat curved, 2 J lin. long. 



Column 2 J lin. long ; stigma broadly ovate, obtuse ; rostellum bilobed ? 



Mozamb. Dist« Portuguese East Africa : mountains east of Lake Nyasa, 



Johnson ! 



5. S. orbiculare, Rolfe. Tuber subglobose,- 4 lin. long. Plant 

 6-7 in. high, with a pair of orbicular, horizontal leaves at the base, 

 1 in. broad, and two or three ovate-lanceolate, apiculate sheaths above. 

 Raceme oblong, rather short, few-flowered. Bracts ovate, acute, 5-0 

 lin. long. Pedicels o lin. long. Sepals 2J-2f lin. long; odd one 

 lanceolate-oblong, subacute; lateral rather longer and twice as broad. 

 Petals united for a fifth of their length to the sepals, and similar to the 

 odd one. Lip galeate, carinate, subcompressed, 3 lin. long, the basal 

 fourth united to the lateral sepals ; mouth ovate ; narrow margin and 

 obtuse apex reflexed ; spurs linear, curved, 4 lin. long. Column 2 lin. 

 long ; stigma broadly ovate, obtuse ; rostellum ovate-oblong, obtuse, 

 obscurely trilobed. 



Mozamb. Blst. British Central Africa; Kambole, South-West of Lake Tan- 

 ganyika, 5000 ft., Nutt ! 



0. S. sacculatom, Rolfe. Plant 2 J ft. high, with numerous ovate 

 lanceolate sheaths, the lower longer and tubular. Leaves not seen. 

 Uaceme 3 in. long, rather narrow, many-flowered. Bracts ovate-lanceo- 

 late, acute, 5-6 lin. long. Pedicels 3 lin. long. Sepals 2 lin. long, 

 odd one linear-oblong; lateral oblong, much broader. Petals united 

 for nearly half their length to the sepals, and similar to the odd one. 

 Lip galeate, 2 J lin. long, and the same in breadth; basal third 

 united to the lateral sepals ; mouth narrow owing to the inflexed sides ; 

 apex incurved with narrow sharply reflexed margin ; spurs linear-oblong, 

 nearly straight, 4 lin. long ; basal angles of galea with an additional pair 

 of short spurs, J- J lin. long, in front of the normal ones. Column 2 lin. 

 long ; stigma broadly ovate, obtuse ; rostellum trilobed, side lobes minute 

 and tooth-like, front lobe much larger and trowel-shaped. — aS'. coriopho- 

 roides, var. sacculata, Rendle in Journ. Bot. 1895, 295. 



xrile land. British East Africa : Ruwenzori; Batagu, 10,000 ft., ^Sco^^-^^^io^, 

 7964 ! Nyamwamba, 10,000 ft., in peat moss, Scott-Elliot, 8097 ! 



Ditfers from ^S'. coriophoroides, A. Rich., in numerous particulars, especially in the 

 presence of an additional pair of small spurs, a character only found in *S. shirense, 

 Kolfe. 



7. S. shirense, Rolfe. Plant 1|-1| ft. high, with two alternate 

 leaves above the base, one or two tubular sheaths below the leaves, and 

 three oblong-lanceolate ones above. Leaves elliptic-oblong, subobtuse, 

 3|-4 in. long, IJ-lf in. broad. Raceme oblong, narrow, 2-3 in. long. 

 Bracts ovate-lanceolate, acute, 5-8 lin. long. Pedicels 2J lin. long. 

 Sepals 2 lin. long ; odd one cuneate-oblong, obtuse ; lateral rather 

 longer and nearly twice as broad. Petals united for half their length to 

 the sepals, and half as broad as the odd one. Lip galeate, carinate, 

 Ij lin. long, slightly more than half as broad, basal half united to 



