THE KURAM VALLEY, ETC., AFGHANISTAN. 53 



728. Potentilla (§ Fragariastrum) Collettiana, Aitchison et Hemsley, 

 n. sp. Nana, csepitosa, foliis confertis trifoliolatis oninino argenteo-seri- 

 ceis, foliolis obovato-oblongis apice truncatis et tridentatis basi cuneatis, 

 pedunculis brevibus 1-4-fioris, floribus parvis aureis, receptaculo achse- 

 niisque sericeo-hirsutis. 

 Herba perennis, csespitosa, nana, tota adpresse sericeo-argentea, caudice 

 crasso elongato, pedunculis vel caulibus floriferis gracilibus, 1-3-polli- 

 caribus, paucibracteatis, 1-4-floris. Folia densissime eonferta, petiolata, 

 trifoliolata ; foliola sessilia, obovato-oblonga ; 6-9 lineas longa, basi 

 cuneata, apice truncata tridentata ; petiolus usque ad sesquipollicaris ; 

 stipulse angustse, petiolo longa; adnatse, parte libera brevi lineari acuta. 

 Flores aurei, 6-8 lineas diametro, longiuscule pedicellati; calycis laciniae 

 10, ovato-oblongse, vix acutae, alternse paullo breviores ; petala elliptica, 

 utrinque rotundata, 2^-3 lineas longa, laciniis calycis paullo longioraj 

 discus carnosus, annularis, breviter lobatus ; stamina circiter 20, petalis 

 dimidio breviora ; filamenta glabra ; receptaculum birsutum. Acheenia 

 circiter 15, immatura undique longe birsuta. 



Allied to P. curviseta, Hook, f., and P. libanotiea, Boiss. Forms 

 a woody rootstock, "with large, extremely silky, slightly 3-toothed 

 leaves. Growing from the face of overhanging rocks at an ele- 

 vation of 10,000 to 11,000 feet, forming a very handsome rock- 

 plant with its masses of yellow flowers. Sikaram and Kaiwaa. 



687. P. fragarioides, L., var. pumila. 



Shalizan ; June. 



595. P. fragarioides, L., var. Gerardiana. 



Common, Karchatal, Kaiwas, Shalizan ; May, June, July. 

 583. P. multifida, L. 



At 11,000 feet, not common, Karchatal ; June. 



967. P. sericea, L., var. 



At 14,000 feet on the crests of the hill above the lake ; August 

 14th. 

 153. P. reptans, L. 



Common from 5000 to 7000 feet. 



800. P. argyrophylla, Wall. 



A splendid plant, collected only in one locality, just at the 

 limit of trees, from 11,000 to 11,500 feet, springing up from 

 amongst other low-growing shrubs. Shendtoi ; July. 



954. P. monanth.es, LindU 



At 15,000 feet, Sikaram, amongst stony debris ; August. 



5. P. supina, L. 



Stony localities with moisture, from Thai to Habibkalla, profuse. 



