202 TRANSACTIONS OF THE [Sess. lxxvii. 



Corollae luteae tubus angustus calycem duplo superans 

 faucem versus subampliatus, limbi lobis rotundato-ovatis 

 patentibus margine crenatis. 



Capsula ovoidea 4 mm. longa calyce inclusa ab apice 

 ad basin valvis crustaceis dehiscens. 



Baluchistan. Abundant at Torkhan in clefts of lime- 

 stone rocks in shady situations at about 4500 feet. Lace 

 (1887-88), No. 3648. 



This charming species is a far west outlier of the section, 

 but so much of the area intervening between the Tibetan 

 station and Baluchistan is unknown botanical ly that our 

 ignorance alone gives cause for comment. I have little 

 doubt about its relationship with the plants of the further 

 East already described as belonging to this section. Its 

 remarkable white or golden-coloured woolly investiture is 

 a distinctive feature which we may correlate with its de- 

 velopment in the arid zone of a land remarkable for its 

 extreme and rapid changes of temperature. It is a desert 

 feature. The calyx and corolla diverge somewhat from 

 their form in the typical SufFruticosae and might give 

 cause for hesitation over the inclusion of the species here. 

 The calyx wants the conspicuous tube, and then the corolla 

 is nearly salver-shaped, its long thin tube wanting appar- 

 ently internal rugosities. But the description of P. pseudo- 

 bracteata, Petitmengin, indicates in that species a corolla 

 of much this character and it may be a connecting link. 

 Hemsley and Watt point out a habit resemblance between 

 P. Lacei, Hemsley et Watt, and the Arabian P. Aucheri, 

 Jaub. et Spach, and P. verticillata, Forsk. Probably for 

 this reason Pax has included P. Lacei, Hemsley et Watt, in 

 his section Floribundae along with these species. But 

 P. Lacei, Hemsley et Watt, has no affinity with the 

 members of that section. Its allies are the plants of the 

 section SufFruticosae as limited here, and with them it 

 should be associated. 



7. Primula Monbeigii, Balf. fil. Sp. no v. (Plate XII.) 



Suffruticosa. Rhizoma per annos plurimos persistens 

 crassum ramosum lignosum apice vestigiis foliorum inflor- 

 escentiarumque dense obtectum. 



Folia 4-6 cm. longa petiolo laminam subaequante ; lamina 



