ENGELMANN—CUSCUTA. 465 
ent subspecies ; “i the species, as I take it, no synonym, nor 
even a name, exists: the one ado hess by me is the earliest 
one given to any ne of the forms 
Synopsis of the forms of C. planifiora. 
a. Lobes of the oye. more membranaceous than fleshy ; ae of the 
corolla turgid only at the points; styles much longer than o 
* Calyx agente lobes ey rab and short, and, like the the short 
4 : 
cusp : : 
** 9 more deeply divided. its its ‘bes ‘and the lacinie narrow, 
: Var. Schirazia 
a 
b. Lobes con é calyx thick and turgid; lacinie turgid and often cu- 
pena at tip; styles longer than ovary, usually shorter than or as long as 
a — larger ; —. of calyx united above the middle or al- 
mos e point: Var. Webbii. 
beled Miners usually smaller j " sepals almost distinct. 
t rs smooth: Var. Tenorii 
tt Flowers mealy or warty: Var. “papillosa. 
Var. «. aPPROxIMATA; C. approximata, Babington! Smet & 
Boiss. & Heldr.! in sched. (afterwatds referred by Boissier 
im eae 127 - ‘e Page tee ica, Pallas ! in Herb. 
e name, axpevinain 
this species for ce gent appro 
fs it more appro 
Species, an and 
original | 
om rn Europe or or Asia 
_ plant the flowers are larger (13-2 fries ker long 
at base, the scales appressed, short and 
Similar forms, with numerous ee flowers in 
ense heads occur in Asia Min es 
; Tmolus, Balansa! ‘414; Smyrna, alansa! 
, Thirke f 
tus! Parnassus! 
