NOYITATES AFRICANAE 
131 
Phill. in having the outermost involucral bracts produced into long 
foliaceous appendages but differs from both in the shape of the leaves 
and by having pubescent bracts. 
It is a prostrate plant with yellowish bracts and was found by 
Mrs A. D. R. Tugwell in whose honour the species has been named. 
Thesium lacinulatum, A. W. Hill; T. rigulo, Sender, quoad habitum simile 
ramis et floribus minute puberulis segmentis perianthii lacinulatis 
distinctum. 
Suffrutex perennis circiter 30 cm. altus, omnino indumento minute 
puberulo obtectus, ramis et ramulis rigidis apice spinosis. Folia 
squamiformia, ramis appressa, subulato-lanceolata, P5 — 2 mm. longa, 
apice fusca. Flores axillares, solitarii, subsessiles; bracteae squami- 
formes floribus multo breviores bracteolae subulatae, cartilagineae, 
circiter 0'65 mm. longae. Perianthium I '75 mm. longum, extra 
hirsutum, segmentis 1 mm. longis ovatis subacutis patentibus mar- 
ginibus lacinulis membranaceis instructis. Antherae 0 - 4 mm. longae, 
segmentorum perianthii basin insertae. Stylus 0'25 mm. longus, 
conicus. Fructus ovoideo-globosus, 2'5 mm. longus, viridis, puberulus, 
costis 10 distinctis et reticulationibus inconspicuis instructus. 
Namaqualand, Great Karasberg, H. H. W. Pearson (Percy Sladen 
Memorial Expedition 1912 — 1913, No. 7805). 
Pterygodium MacLoughlinii, L. Bolus ( Orchideae-Corycieae ), P. Volucris 
affine sed foliis floribusque majoribus, partibus labelli diversis, facile 
distinguitur. 
Herba erecta glabra, ad 23 cm. alta ; caulis strictus, basin versus 
1 — 2 vaginatus, 2 — 3 foliatus, internodiis exsertis 2 — 3 cm. longis; folia 
adscendentia vel patentia, ovata acuta vel late ovato-elliptica, 6 — 9 cm. 
longa, 2 5 — 5 - 5 cm. lata ; spica dense vel sublaxe 6 — 16 fl., floribus 
adscendentibus vel suberectis ; bracteae foliaceae reflexae ; sepala 
lateralia patentia, oblique late obovata, 0'9 cm. longa, inrpari erecto 
ovato, lateralibus aequilongo : petala erecta concava, circuitu fere 
orbicularia, obliqua, saepissime breviter 2-loba, lobo inferiore late 
rotundato, margine undulata, 1 cm. longa, 0'9 cm. lata; labelli limbus 
3-partitus, lobo intermedio deflexo ovato, apicem versus sensim at- 
tenuate, lateralibus brevioribus, subteretibus acutis, appendice erecto, 
anteriore obtuse carinato, apice subreflexo excavato, excavatione in 
dimidia divisa ; rostellum transverse lineari-oblongum utrinque lobo 
libero glandulas obtegente donatum ; anthera fei’e erecta, glandulis 
inferis ; stigmata duo antica, basi loborum liberorum rostelli posita. 
Cape Province : Eastern Mountain Province Region ; Drakens- 
bergen, Fikilemutu Pass, Matatiele Div., 7500 ft., fl. Feb., A. Ct. 
McLoughlin, 202. 
