15 ENGELMANN—CUSCUTA. [465] 
ent ne alapnigh avs the speaiet as I take it, no synonym, n 
even a name, the one adopted by me is the cation 
one given to. — = e of the ‘on or 
Synopsis of the forms of C. planifiora. 
Lobes of the calyx more membranaceous “ore — a of the 
a 
corolla turgid only at the points; styles much lo 
* Calyx cupulate, lobes meee) a and mae mer like the short 
ie, cuspi 
** Calyx more e deeply divided, i “its lobes ‘and the lacinie narrow, 
ete ated, 
b. Lobes of the calyx thick and turgid; fallin z turgid and often cu- 
cullate at ib § ; styles longer than ovary, usually shorter or as bong as ca 
sule 
* Flowers larger; ne a - mag = united above the middle or al- 
most to Webbii. 
#* Flowers. usually y snail rj sepals ll almost distinct. ' 
month 
ti Flowers mealy or Seti Vas: " papillosa. 
. a. APPROXIMATA; C. approximata, Babington! Ann. & 
Mag. Nat. Hist., 1844, pl. 4., and 1845 pl. 1.; A. Braun! 
Berl. bot. Zeitg., ere p- 542, and in Jahrb. d. Ver. f. N. K. 
Nassau, 1851, t. 1, f. “1; C. urceolata, Kunze! in Flora, 1846, 
. 651; @. cupulata, Engelm. ! in Bot. Zeitg.,.1846, p. 276; 
C. plamftora, Kunze! in Flora, 1846, p. 655; C. leucosphera, 
Boiss. & Heldr.! in sched. (afterwards referred by Boissier 
a or 1. IT. 127 to reaper ater Fa te aie atica, Pallas ! in Herb. 
Bot. h 
Petropol.— a, was given to 
this species for cl appro ating a of the scales ; 
yet, it more appropriately signifies the close alliance with the 
] cit y with its last mentioned variety. 
The original C. was found in fields of Medicago 
in Engl Germany and Switzerland, undoubtedly an im- 
and, 
paride plik as Babington already states, probably from In- 
dia; or perhaps from southeastern Europe or Asia Minor. In 
this cultivated plant the flowers are larger (13—2 lines long) 
more attenuated at base, the scales appressed, short and 
often bifid. Similar forms, with numerous large flowers in 
arge and very dense baliland oecur in Asia Minor, (Taurus, 
Kotschy! 857; Tmolus, Balansa! 414; Smyrna, Balansa! 
412; Bithynia, Thirke!) in Greece (Taygetus! Parnassus! 
i in Piedmo e 
