DIDYNfAMlA. 177 



y . Springy ])lHce.s in the Grampian mountains, G. Don. Fl. May, 

 June. 1/ . 

 Plant varying extremely in size and direction. Sometimes 1 — ]i 

 foot high, and quite erect. Lower leaves on long footstalks, ex- 

 tremely variable in their shape and in the depth and distinctness of 

 the crenatures. I a]iprehend the vars. /3. and y. may chiefly be at- 

 tributed to a colder climate or poorer soil, '['he flowers are large, 

 several from a stalk in a., almost solitary in the /3. and y. 



XIV. DIDYNAMIA. 



1. GYMNOSPERMIA\ (Labiatce, Jms.) 



* Calyx 5- or \0-cleft, suhrcgular. 



13. Lf.onorus. CaZ. with 5 angles. Upper //'p very liairvabove^ 

 entire ; lower one refiexed, 3-partite. Anthers sprinkled with 

 shining dots. 



5. Glechoma. Upper lip of the Cor. bifid ; lower one trifid, 

 with the intermediate lobe eniarginate. Anthers approaching 

 each other in pairs and forming a cross. 



4. Mkntha. Cor. nearly regular, 4-lobed; its broadest ]obe 

 notched. Stam. erect, distant. 



2. Teucrium. Upper lip of the Cor. abbreviated, bipartite ; 

 lower one 3-lobed, its middle lobe the largest. Stam. pro- 

 jecting through the cleft in the upper lip. 



1, Ajuga. Upper lip of the Cor. very minute, notched ; lower 

 one 3-lobed, middle lobe the largest, nbcordate. Stam. ex- 

 serted. Anthers reniform, 1 -celled. 



9. Betonica. Cal. teeth acuminate. Upper lip of the Cor. 

 ascending; lower 3-cleft, its tube cvlindrical. 



6. Lamium. Cal. teeth acuminate, spreading. Upper lip of 

 the Cor. vaulted, entire ; lower 2-lobed, toothed on each side 

 at the base. {Anthers hairy.) 



7. Galeopsis. CaL teeth acuminate. Upper lip of the Cor. 

 vaulted, notched ; lower lip with 3 unequal lobes, having 2 

 teeth on its upper side. 



8. Galeoudolon. Cal. teeth unecpial, acuminate. Upper lip 

 of the Cor. vaulted, entire; lower one in 3 acute segments. 



JO. Stack YS. Ca/. acuminate. Upper //p of the Cor. vaulted | 

 lower one 3-lobed, with the 2 lateral lobes reflexed. Stam., 

 when old, bent downwards. 



3. Nepeta. Upper lip of the Cor. notched ; the lower one 3- 



^ With 4 pcricari)s, or apparently naked seads, at the bottom of the cal. 

 J''erbena, placed in this order by Smith, I have removed to the following, 

 because it has a distinct pericarp inclosing the 4 seeds. 



N 



