PAKONYCHIE^. (WHITLOW-WORT FAMIIiT.) 161 



broad ; bracts large, round- ovate, acute or obtuse, mucronate ; calyx- 

 lobes hairy, oblong-linear — June and July — Rocky places; alpine 

 Cassius, Amanus, and northward, 



2. P. imbricata, Boiss. et Haussk. If .03 to .1, densely tuft- 

 ed, shrubby at base, branches yery short. Leaves stiff, .002 long, 

 imbricated, A-ranhed, fleshy, appressed-puberulent, oblong-linear, ob- 

 tuse ; stipules acute, longer than the leaves. Heads .008 to .01 broad; 

 bracts ovate-triangular, acuminate, a little longer than the^ flowers ; 

 lobes of appressed-hairy calyx oblong, obtuse — June — Fissures of 

 calcareous rocks near Aintab, 



3. P. nivea, DC. % .1, hirsute. Leaves oblong-lanceolate, 

 acute. Heads .01 broad ; bracts ovate to oblong, acute, longer than 

 calyx ; calyx-lobes nerved, linear-lanceolate, hirsute — Spring — 



Var. attenuata, Post. Branches .1 to ,15 long, straggling, the 

 internodes much longer tJian the minute leaves ; heads few, at apex of 

 stems — 'Ain-Hesban to 'Amman, (JMoab). 



Var, obtti§a, Post. Densely tufted. Bracts orbicular-ovate, ob- 

 tuse — Moab ; Gilead ; Bethlehem ; Hebron, 

 1 1 Calyx lobes unequal. 



4, P. Kiirdiea, Boiss. 2|! .05 to .15 ; base often indurated ; 

 branches tomentellous, ascending or prostrate. Leaves tomentellous, 

 oblong-linear, .003 to .004 long, rather obtuse. Heads .002 to .004 

 broad ; bracts ovate, acuminate ; lobes of hairy calyx short, oblong- 

 lanceolate, obtuse, sometimes recurved at apex — Spring — Hocks ; 

 Hamath to Palmyi'a, Aleppo, Aintab, and north-eastward. 



5, P, macrosepala, Boiss. If .05 to ,1, pubescent ; stems 

 ascending, leafy. Leaves oblong, .005 to .008 long, obtuse or acutish. 

 Heads crowded, .005 to .01 broad; bracts ovate, acuminate, lobes of 

 appressed-hirsute calyx linear-lanceolate, obtuse, obsoletely nerved at 

 base — May and June — Lebanon. 



6. P. Sinaica, Fresen. 2^ .03 to .1, shrubby at base, with as- 

 cending branches. Leaves oblong-linear, .002 to ,003 long, obtuse or 

 acutish. Heads ,005 to ,01 broad ; bracts orbicular, acuminate or 

 muticous ; lobes of hairy calyx minute, keeled, oblong-linear, acute, 

 very unequal — May — Sinai, 



Var. flavescens, Boiss. Bracts larger, yellowish, muticous — 

 Borders of et-Tih. 



N.B. The last three species may better be considered as varieties 

 of P. nivea, DC. 



* * Calyx-lobes semi-scarious, hooded, mucronate on bach near apex. 

 t Perennials. Heads . 01 broad. 



7, P. arg-entea, Lam. 11 .3 to .5, prostrate, diffuse. Leaves 

 glabrous, obovate to oblong and lanceolate, acute. Heads lateral and 

 terminal, dense, intermixed with leaves ; bracts ovate, acute, much 

 longer than flower ; calyx-lobes oblong, margin narrower than the her- 

 baceous portion — Spring and Summer -- Dry places ; common through- 

 out. 



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