172 MR. H. BOLUS'S CONTRIBUTIONS 
eirca 8 millim. longum, productum ; petala oblongo-lanceolata, 
acuta, supra medium geniculato-inflexa, apice margineque mem- 
branacea, carnoso-carinata, column® adnata, 6 millim. longa ; 
Fig. 9. 
Disa caffra, Bolus. 
1. Dorsal sepal, side view. 2. Side sepal. 3. Petal. 4. Lip. 
All enlarged. 
labellum lanceolatum, acutum, carnoso-carinatum, 5 millim. 
longum ; rostelli brachia discreta, subelongata, acutangula ; ova- 
rium 1-12 centim. longum. (Ex ewempll. plur. exsiec. Tyson 
2611 ut infra.) 
Hab. In graminosis udis prope flumen Umkwani, Pondoland, 
Afric australis, alt. 60 metr., fl. Oct., legit W. Tyson (anno 
1885) No. 2611 ; in herbb. Kewensi et meo. 
“Flowers purple," according to the collector’s ticket. The 
habit is that of the section Monadenia. The plant dries a dark 
reddish brown. 
Disa Trsonr, Bolus, n. sp. ($ Eudisa. (Fig. 10.) Herba 
glabra, erecta, robusta, pedalis. Seapus validus, foliatus ; folia 
lanceolata, acuta, basi vaginantia, erecta, 10-12 centim. longa; 
racemus multiflorus, bracte: inferiores floribus longiores, supe- 
riores breviores; sepala lateralia ovalia, acuta, venosa, apiculo 
extrorso, 9 millim. longa; sepalum impar posticum galeatum 
inflatum, equilongum, venosum, calcare oblongo vel ovato, obtuso, 
inflato, 3-4 millim. longo, preditum ; petala basi columnee adnata, 
rotundata, concava, sursum lanceolata, abrupte geniculato-inflexa, 
acuta. (Ha exempl. unico exsicc. ut infra.) 
Hab. In divis graminosis supra Beeste Kraal prope Kokstad, 
