278 THE FERTILISATION OF FLOWERS. [parr m1, 
scopolina, L. (Thur.).. C. Hymenoptera—(a) Tenthredinide : (13) Hylotoma 
rosarum, F,; (14) Selandria serva, L. ; (15) Tenthredo bicincta, L. ; (16) T. 
notha, K1., ab. ; (17) T. bifasciata, L., etc. ; (18) Cimbex sericea, L. ; (b) Ichneu- 
monide : (19) Numerous species ; (ce) Apidw: (20) Sphecodes gibbus, L., s. ; 
(21) Andrena parvula, K., s. and e.p. ; (22) A. fulvescens, Sm. g. D. Neuro 
ptera—(23) Panorpa commmtitic L. 
182. Myrruis oporaTa, Scop.—The accompanying fi 
represent flowers of this species as I saw them towards the end 
of their flowering period, June 13, 1871. The flowers last 
developed are male only, their anthers and petals fall off without 
their developing styles or stigmas upon their stunted ovaries. — 
These male flowers, as in cases described above, furnish pollen 
for the last of the hermaphrodite flowers when in their second — 
or female stage. I have had no opportunity of observing the 
Fic. 93.—Myrrhis odorata, Scop. 
1.—Male flower, at the end of its flowering-period. 
2.—Diito, withered. 
3 —Hermaphrodite flower in its last stage. 
ov, ovary; n, nectary; p, petal ; a, anther ; a’, ditto, not yet dehisced, 
fertilisation of Myrrhis odorata, which, in the neighbourhood of | 
Lippstadt, occurs wild only in an isolated patch. Herr Borgstett 
sent me the following list of species which he collected on the 
flowers of this plant at Teklenburg :— 
A. Diptera—(a) Bombylide : (1) Bombylius major, L. ; (6) Empide: (2 
Empis tesselata, F. ; (c) Syrphidw: (3) Xylota femorata, L. B. Coleoptera 
Chrysomelide : (4) Galeruca calmariensis, L. C. Hymenoptera—(a) Jehner 
monide: (5) Several species ; (b) Apide: (6) Halictus maculatus, Sm. 
have since added twenty-seven species to this list (590, 1.). | 
183. CHAROPHYLLUM HIRSUTUM, L, :— 
Visitors: A. Diptera—Syrphide: (1) Eristalis pertinax, Scop. B. Cole 
optera—(a) Elateride : (2) Agriotes gallieus, Lap. (Thur.) ; (b) Gidemeride 
east ee ee 
