. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 464 ANGIOSPERMAE—MONOCOTYLEDONES Borgstette (Borg.), Tecklenburg (Herm. Miiller, ' Weit. Beob.,' I, p. 274), and Knuth (Kn.) Fohr.—A. Diptera. Muscidae: i. Cynomyia mortuorum L., skg. (Borg.); 2. Lucilia caesar Z. (Borg.); 3. Pyrellia cadaverina L. (Borg.). B. Hy- menoptera. Apidae: 4. Apis mellifica L. 5, po-cltg. (Borg., Kn.); 5. Colletes daviesanus K. § (Kn.) ; 6. Halictus albipes F. 2, po-cllg. (Borg.); 7. H. cylindricus F. 5, (Kn.): 8. H. malachurus K.
. Handbook of flower pollination : based upon Hermann Mu?ller's work 'The fertilisation of flowers by insects' . Fertilization of plants. 464 ANGIOSPERMAE—MONOCOTYLEDONES Borgstette (Borg.), Tecklenburg (Herm. Miiller, ' Weit. Beob.,' I, p. 274), and Knuth (Kn.) Fohr.—A. Diptera. Muscidae: i. Cynomyia mortuorum L., skg. (Borg.); 2. Lucilia caesar Z. (Borg.); 3. Pyrellia cadaverina L. (Borg.). B. Hy- menoptera. Apidae: 4. Apis mellifica L. 5, po-cltg. (Borg., Kn.); 5. Colletes daviesanus K. § (Kn.) ; 6. Halictus albipes F. 2, po-cllg. (Borg.); 7. H. cylindricus F. 5, (Kn.): 8. H. malachurus K. 5, po-cltg. (Borg.); 9. H. rubicundus Chr. 5, do. (Borg.). Willis and Burkill (Central Wales, 'Fls. and Insects in Gt. Britain,' I, p. 267.—A. Diptera. {a) Muscidae: i. Anthomyia radicum Z., freq., po-dvg.; 2. Hydrellia griseola Fall., do.; 3. Hylemyia lasciva Zett., do. (3) Syrphidae: J. Platycheirus manicatus Mg., po-dvg. B. Hemiptera. 5. One sp., rare. C. Hymenoptera. {a) Formicidac: 6. Myrmica rubra Z., po-dvg. (6) Ichneu- monidae: 7. One sp. 898. Asparagus Tourn. Dioecious, rarely hermaphrodite flowers with concealed nectar stored at the base of the perianth. 2799. A. officinalis L. (Henn. Miiller, 'Fertlsn.,' p. 548, 'Weit. Beob.,' I, pp. 282-3; Breitenbach, Bot. Ztg., Leipzig, xxxvi, 1878, pp. 163-7; Schulz,. Fig. 40J. .IsparagiiS officinalis. L. (after Herm. MuUer). (i) Male flower, from below. (2) Do., after removal of half the perianth : from the side. {^) Female flower, from below. (4) Do., after remo\'al of half the perianth ; from the side, a, vestigial stamens; b, vestigial ovary. ' Beitrage,' II, p. 199; Warnstorf, Verb. bot. Ver., Berlin, xxxviii, 1896; Kirchner, ' Flora V. Stuttgart,' p. 662 ; Knuth, ' Bloemenbiol. Bijdragen.')—The whitish-green, pendulous flower-bells of this species possess a characteristic odour. Most of the stocks are unisexual, but every flower possesses vestiges of the other sex. The male flowers, which are first visited by insec
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