122 THE FLORA OF THE ALPS 



i. PASSERINA, L. 



Calyx persistent, with an urceolate or cylindrical tube, 

 4-lobed; stamens 8; ovary I -celled, i-ovuled; fruit dry, 

 enclosed in the persistent calyx. 



P. annua, Spr. (Lygia Passerina, Fas.) ; flowers 

 greenish, 1-3 in the axils of the leaves, forming a long 

 leafy spike, leaves linear or linear-lanceolate ; dry fields ; 

 Switzerland, Pyrenees. P. dioica, Ram. ; flowers yellow, 

 sessile, solitary or in fascicles in the cluster of the leaves, 

 leaves crowded, linear-oblong, stem prostrate, woody; 

 Pyrenees, high. P. calycina, Lap. ; flowers greenish- 

 yellow, solitary, axillary, leaves crowded, linear, stem 

 woody, 4-8 in. ; Pyrenees, high. 



2. DAPHNE, L. 



Calyx 4-lobed, with a long tube, pink, yellow, or white, 

 fragrant; stamens 8; fruit a coriaceous or fleshy drupe 

 or berry. Shrubs. 



A . Flowers pink, fragrant : D. Mezereum, L., Meze- 

 reon; flowers appearing before the leaves in clusters of 

 2 or 3, leaves deciduous, berry bright red; mountain 

 woods ; Switzerland, Jura (abundant), Dauphiny, Pyr- 

 enees. D. striata, Tratt. ; stem prostrate, flowers sessile, 

 calyx glabrous, leaves leathery, linear-cuneate, mucronate, 

 glabrous, with revolute margins; alpine rocks, frequent. 

 D. Cneorum, L. (Fig. 105); stem erect, flowers shortly 

 stalked, in many-flowered terminal clusters, calyx pub- 

 escent, leaves linear-ovate, crowded ; Jura, Ticino, Car- 

 niola, Pyrenees. D. petrcea, Leyb. ; stem brittle, knotty, 



