ENGELMANN—CUSCUTA. 461 
The flowers are mostly sessile and densely clustered, form- 
ing globose heads in the ae of single bracts wit thout 
bracts in the inflorescence. The central flowers open first 
= exterior ones are occasionally abetitnes C. Epit. a 
has sometimes short pedicels, and C. nae “tn is always 
pedicelled. The corolla always remains on top or around the 
capsule, never at its base. Epistamineal scales are always pre- 
_ apes sometimes very thin and small, and easily over- 
The species of this group inhabit Europe, — and cen- 
tral Asia, and northern Africa to the Canary Islan 
§ 1. Styles longer than ovary. 
1. C. Basytonica, Aucher! mss.; Choisy! Cuse. 174, 
t. 1,f£1; DC. Prod.IX. 453. C. peduneularis, Kotschy! in 
sched.—Well characterized by its pedicelled flowers, truncate 
calyx and almost entire sean spreens by its inflores- 
cence to those other Asiatic species, mprised in the section 
a.—Bagdad, ‘Ansher Eloy! 1420 and 3183; on the 
Tigris, Noé! in Kurdistan, Kotschy! 388, a 
ar. ELEGANS, C. elegans, Boiss. & Ba Coal Diag. of Il. 
3,129, from the alpine regions of the Taurus, Balansa! 708 ; 
scarcely distinct from C. Babylonica except by the papillose 
prettily. rose-colored flowers, and by the scales being a little 
more dentate and somewhat ee 
2. C. Eerrayawum, Murray in Lin. syst. ed. 13.__C. Zuro- 
7 2g sp. 180. C. Ttieoess Bauh, pin, 219. ‘De. FL fr. 
1ers have separated severa 
ct species; others, again, have united with it 
a number < of other forms which I must consider distinct, espe- 
— such as I class w C. planiflora; some have even 
ke ed up with crane casinae ek i a oe 
ficult t —_ recise the limits of C. Api- 
thymum and , iflora, a some forms which I class un 
‘iabeedinace of the latter. sepmaliy are more re 8 al- 
lied heady the extremes of either species" among themeckves 
While the common the fo: 
=e Trifolii, is as distinct as can be from Tenore’s original 
: T arrange the different forms in the at 
we 
ommon form oy emtak: ae pee: 
meagre the cor 
