PATAGONIAN EXPEDITIONS : BOTANY. 



EXPLANATION OF PLATE XVI 



PAGE 



HAMADRYAS SEMPERVIVOIDES Sprague 4'4 



The central figure gives the general habit ; of natural size. 



d, fruit-head, magnified. 

 f,f, flower, natural size and magnified. 



/, leaf ; Ic, sheathing leaves ; //, leaf-bud. 

 ov, ovules. 

 p, petals. 

 sp, sepals. The latter figures are all magnified. 



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ARJONA TUBEROSA LANATA, n. var 342 



The two upper figures show the differing habit of two specimens ; of 

 natural size. The other figures are magnified. 



a, andrecium, on the throat of the calyx-tube. 

 an, anthers. 



b, bract ; 6a, inner bract. 

 6r, bulbous root. 



f, flower. * 



i, insertion of flower amidjthe bracts, which are moved apart. 

 /, leaves. 



se, cross-section of seed-vessel. 



To right of a, the gynecium ; to the left of a, the ovary in longitudinal 

 section showing the seed. To the left of b, a lateral view of the bracted 

 flower. 



(VOL. viu) 



