SKULL-CAl^ 



I z- 



lon^'cr than the calyx and i^apino-, with a short turned Ijack tube, and 

 the throat lono'. with hollow upper lip, the lower lip ending" in a notch. 



Skull-cap is 2-3 ft. hii^^h. The (lowers may be met with from June 

 to September. . It is |)erennial, and propagated by division. 



The tube of the corolla is long, smooth inside, with an expanded 

 throat as in other long-tubed labiates. The upper lip is 3-lobed and 

 has a small surfiice adapted to Ijuttertly visits, the lower dilated with 

 spreading lateral lobes. The opening between the two Ii[is is large 

 enough for humble bees. There are 4 anthers. The anthers are in 



riioto. Ch.is, Allen 



.Ski i.i.-l;.\1" [Sciilellaria galerirulnla, L. ) 



pairs and ripen first, fringetl with hairs to hold the pollen, with i cell in 

 the lower, 2 in the upper. The style has a short upper lofie, and Ijoth 

 it and the stamens are included. There are complete flowers, and 

 others with the anthers untleveloped. They may be on the same or on 

 different plants. .Skull-cap is visited only by the Brimstone, Rhodocera 

 rliaiinii. 



The nutlets fall when ripe automatically just around the parent 

 plant. The calyx on the fading of the corolla closely envelops the 

 ovary and protects the seeds, being a helmet-like hood. 



This is a peat-loving plant, recjuiring a moist huiiius soil or peal soil. 



A beetle, Phyllobrotica qiuxdriiuacu/ata. and a moth, Chorcitlis 

 sciii(i//t(l/aiia, are foimd u|)on .Skull-cap. 



