SPHEROBOLUS DENTATUS 279- 
millim. (18-16 sixteenths in.) ; an ovate, narrowly se at the 
summit on one sideonly. Biennial. June~July. 
The above diagnosis shows that A, arcuata Shut tle ew. ors ciliata 
(Tausch), Koch, Syn. rk ii, p. 42)) Hho from A. ciliata R, Br. 
he 
and shorter, 15-20 millim. (10-18 sixteenths in. ); seeds not winged. 
real affinity of A. ciliata R. Br. is with A. hirsuta Scop. 
(sensu lato), re re might say that it is a form of A. hirsuta Scop. 
(sensu stricto); Rouy & Fouc, Fl. Fr. . p. 215, which is nearly 
related to the Roni A, Retziana Beurl. (Purvitis hirsuta var. glabra 
L. Iter. Gotl. pp. 192, 228, and 7. alpina L. Syst. ed. xiii. p. 448, 
quoad pl. Gotland) of the same type (a form which Swedish botanists 
distribute with the ill-chosen name “‘ A, hirsuta L. B glabrata L.’’), 
and, above all, ui the var. curtisiliqua Rouy & Fouc. (A. curti- 
sig DC. Syst. i 
A, Retziana ve the var. cur ecm differ from A. ciliata R. Br. 
by the fo ollowing characters :—Stem-leaves more numerous and dis- 
tributed throughout two- thirds to dae “fifths of the stem ; bi uit corymb 
much shorter and lawer ; leaves usually broader, glabrous or hirsute, 
but with shorter cilize ; pouches longer, 3-4 centim. (19- -25 six- 
teenths i Ae wh “buate: broader , &. 
d the va ar. curtisiliqua are found in the scsi 
Seantion i in Great Britain, in Norway, and South Sweden 
SPH ROBOLUS DENTATUS W. G. Sm. 
By Worrtsineton G. Smita, F.L.S. 
Wrrnerine in the third edition of his Arrangement of British 
Plants, 1796 (iv. 356-7) describes four pein of Nidularia:—N. 
campanulata, N, striata, N. levis, and N. dentata. None of these 
plants are now placed under Nidularia. Withering’s N. campanulata 
is Cyathus vernicosus, his N. striatus is C. striatus, and his N, levis 
is Crucibulum vulgare. 
‘Nidularia dentata has long been a mystery. Nothing corres- 
ponding with the description has been met with since Withering’s 
time. Although Withering gives numerous references to illustra- 
tions of the first three species, he gives none for the fourth; and 
although he says the first three are common, he does not say a 
The follo is Withering’s description :—‘t Turban-shaped ; 
pale buff; with 5 teeth at the edge; sm a hemp-seed. 
; rather woolly; segments o th at edge 
broad, spear-shaped, . .Membrane tough, whitish. Seeds 
or capsules reddish-brown. Several growing together on rotten 
fica nacike ganinseaebaion Pool.’’ This description is un- 
