TO SOUTH-AFRICAN BOTANY. 173 
Griqualand Orientalis, alt. 1600 metr., fl. Nov.-Dec., legit W. 
Tyson No. 1609 (in herb. meo). 
Fig. 10. 
Disa Tysoni, Bolus. 
1. Dorsal sepal, side view. 2. Side sepal, 3. Petal. 4. Lip. 
All enlarged 3 diameters. 
The spur is flattened on its inner surface, and resembles those 
of D. longifolia and D. uncinata. 
Disa STENOGLOSSA, Bolus, n. sp. ($ Eudisa?) (Fig. 11.) 
Herba glabra, erecta, 20 centim. alta. . Seapus subgracilis, foliis 
obtectus ; folia lanceolata, acuta, basi vaginantia, erecto-patentia, 
inferiora pr&sertim multinervia, 5-9 centim. longa; racemus mul- 
tiflorus, bracteis lanceolatis, acuminatis, reticulato-venosis, flores 
Fig. 11. 
4 
Disa stenoglossa, Bolus. 
1. Dorsal sepal, side view. 2. Sidesepal. 3. Petal. 4. Lip. 
All enlarged 3 diameters. 
subequantibus ; sepala lateralia lanceolata, acuta, concava, venosa, 
apiculo extrorso aucta, 9 millim. longa ; sepalum impar posticum 
oblongum, fornicatum, erectum, retusum, mucronatum, calcare e 
basi conico filiformi, attenuato, deflexo, 5 millim. longo, prædi- 
tum; petala oblique lanceolata, mucronulata, venosa ; labellum 
o 2 
