Description of Native Vines 



Northern Club-moss ; Ground Pine. (L. complanatum) : 

 leaves 4.-ranked, of 2 forms, on Jldttened, fan-like spreading 

 branches ; lateral leaves somewhat spreading, with projecting 

 sharp points, saw-like ; leaves above and below smaller, nar- 

 rower, closely oppressed to stem, — the whole appearance some- 

 what like arborvitae ; "spike" cylindrical (i' long or more), 2-6 

 borne on a slender leafless or minutely bracted stalk growing at 

 summit of leafy branch ; July ; less fan-like far north. (PI. IX.) 



Carolina Club-moss. (L. Carolinianum) : stem and branches 

 trailing, flattened, leafless on under side, leaves on 3 other sides ; 

 the lateral broad-lance-shaped and widely spreading ; the upper 

 shorter and closely oppressed to- stem ; " spike " cylindrical (about 

 i'), single on a minutely bracted slender stalk (2-4') ; July ; 

 wet pine-barrens. New Jersey and south. 



Common Club-moss. (L. clavatum) : leaf of one form, linear 

 awl-shaped, finely bristle-pointed, spreading ; branches erect 

 (2'-$'), very leafy ; " spike " slender, cylindrical, bristly (i'-2'). 2-3 

 (rarely i or 4) borne on a slender leafless or minutely bracted 

 stalk (4'-6') that terminates a leafy branch ; July ; used for 

 Christmas decoration. (PI. IX.) 



Interrupted Club-moss. (L. annotinum) : leaf of one form, 

 lance-shaped, very finely serrate near apex, spreading ; spike 

 single, thick-cylindrical (i'), borne direct from summit of leafy 

 2-3-forked branch (4'-8'), without intervening leafless stalk; 

 July ; in woods of New England ; a smaller variety found in 

 White Mountains. 



104. Dodder. (Cuscuta.) 



Leafless parasitic vines generically called dodder, in 11 species 

 (the last found only on frontier), all with thread-like stems bear- 

 ing a few minute scales in place of leaves, the whole plant yellow- 

 ish or reddish, and supported by the juices of the plants around 

 which they twine ; the species are chiefly distinguishable by dif- 

 ferences in the minute blossoms (i' long or less), as follows : 



(N.B. — All but Flax-dodder and Thyme-dodder have stigmas 

 capitate^ 



347 



