120°. DIAGNOSES SPECIERUM NovARUM. 
in the Yangtze bend, Yunnan. Lat. 27° 20’ N. Alt. gooo ft. 
Sept. 1913.”’ G. Forrest. No. 11,058. 
“ Shrub of 6-9 ft. Fruits black. July 1914.” G. Forrest. 
No. 12,739. 
“yA 
4° Premna mekongensis, W. W. Sm. Sp. nov. 
Species valde affinis P. ywnnanensi, W. W. Sm. a qua foliis 
pilosioribus calyce altius fisso lobis anpustioribis, corolla 
longiore flavida inter alia divergit. 
Fruticulus 60-90 cm. altus erectus ramosus ; rami teretes 
juniores tomento incano crispato dense tecti. Folia siccitate 
chartacea vulgo 3-5 cm. longa, 2—3 cm. lata, ovata, apice acuta 
vel subobtusa, vix acuminata, basi rotundata, crenato-serrata, 
supra modice incano-pilosula, infra breviter incano-tomentosa 
nervis utrinque 4-5 supra obscuris infra sat conspicuis ; petioli 
+ 1cm. longi incano-tomentosi. Cymae terminales subglobosae 
circ. I cm. diametro densiflorae 6—12-florae pedunculis pedicel- 
lisque brevissimis incano-pilosis bracteis bracteolisque linearibus 
dense pilosis. ‘Calyx campanulatus 6-7 mm. longus infra 
medium in lobos quinque subaequales lineari-lanceolatos fissus 
dense incano-patenti-pilosus glandulis circularibus sparse punc- 
tatus. Corolla calyce paullo longior circ. 8 mm. longa 
flavida ; tubus vix exsertus extus glaber intus ad fauces albo- 
villosus; limbus bilabiatus; labium superum rotundatum 
circ. 2 mm. diametro emarginatum purpureo-tinctum extus 
glanduloso-punctatum atque villosulum, inferum 3-lobum basi 
sparse glandulosum pilis paucis conspersum. Stamina 4 inclusa 
filamentis glabris. Ovarium obovoideum glabrum stylo gracili 
5 mm. longo, stigmate capitato. Drupa circ. 4 mm. longa 
siccitate nigra glabra bilocularis. 
“ Shrub of 2-3 ft. Flowers dull yellow. Open dry situations 
amongst rocks in the Mekong Valley, Yunnan. Lat. 27° 40’ N. 
Alt. gooo ft. Aug. 1914.’’ G. Forrest. No. 13,071. 
ye’ Var. meiophylla, W. W. Sm. Var. nov. . 
Ramis gracilioribus, foliis multo minoribus inflorescentiis 
paucifloris rece 
“ Shrub. of 2-3 ft. In fruit. Dry stony pastures in ee 
Yangtze Valley at Taku, Yunnan. Lat. 27° 30 
7000-8000 ft. Aug. 1914.’ G. Forrest. No. 13,049. 
ar Premna yunnanensis, W. W.Sm. Sp. nov. 
Species ex affinitate P. nanae, Coll. et Hemsl. a qua inter 
alia calyce infra medium fisso differt. 
Fruticulus usque ad 2 m. altus erectus ramosus; rami 
