40 INTRODUCTION 
uliginosum Z. var. microphyllum Lange (Warming), V. Oxycoccos Z. (Warming). 
Cassiope hypnoides Don (Warming). 
Oleaceae.—Sp. of Jasminum (Treviranus). 
Lentibulariaceae—Pinguicula lusitanica Z. (Henslow). 
Boraginaceae-—Cerinthe aspera Ro/h (Comes). Asperugo procumbens JZ. 
(Knuth). 
Solanaceae.—Petunia nyctaginiflora Juss.(Comes). Nicotiana Tabacum (Darwin), 
N. rustica Z., Hyoscyamus albus Z. (Comes). Solanum tuberosum, many cultivated 
varieties (Gard. Chron., London, xiv, 1880, p. 115). 
Gentianaceae—Gentiana Andrewsii (Asa Gray). 
Scrophulartaceae—Verbascum Thapsus and V. Lychnitis (Darwin), V. phlo- 
moides Z. (Comes). Celsia coromandelina Vahl (Comes). Scrophularia pere- 
grina Z.(Comes). Vandellia nummularifolia (Darwin). Veronica agrestis (Darwin). 
Euphrasia Odontites and E. officinalis (Darwin). Calceolaria (Darwin). Mimulus 
luteus (Darwin). Collinsia bicolor Benth. (Delpino), C. verna JVu/t. (Delpino). 
Pedicularis lanata Cham. and P. hirsuta Z. (Nathorst). Antirrhinum majus, peloric 
form (Darwin). 
Labiatae—Ajuga reptans (Darwin). Salvia Horminum (Hoffmann). 
Primulaceae—Primula mollis (Darwin). Centunculus minimus (Ascherson). 
Chenopodiaceae. —Chenopodium ambrosioides (Hildebrand). Beta vulgaris 
(Darwin). 
Bromeliaceae.—Billbergia zebrina (Fr. Miiller). 
Orchidaceae.—Ophrys apifera and a few other Orchids (Darwin). 
Scttaminaceae—Hedychium coronarium (Fr. Miiller). -Alpinia sp. (Fr. Miiller). 
Liliaceae.—Allium Cepa (Darwin). 
Iridaceae.—Marica sp. al. (Fr. Miiller). Cypella sp. (Fr. Miiller). Gladiolus 
sp. (Treviranus). Trimeriza sp. (Fr. Miiller). 
Marantaceae.—Canna Warscewiczi (Darwin). Thalia dedthiita Desf. (Pedicino). 
Gramineae—Zea Mays (Darwin, Knuth). Sp. of Festuca, Poa, and Bromus 
(Beijerinck). Avena sativa (Hoffmann). Triticum vulgare Z. (Rimpau, Hoffmann), 
T. turgidum (Hoffmann), T. monococcum JZ. (Beijerinck). Hordeum vulgare and 
trifurcatum (Hoffmann). 
Further contributions to our knowledge of self-fertile plants are given (cf. 
Loew, ‘ Einfiihrung,’ p. 314) by: Th. Meehan (Proc. Acad. Nat. Sci., Philadelphia ; 
Nature; Pub. Univ. Pa. Sci. Bot., Philadelphia; The Amer. Nat., Boston; Bot. 
Gaz., Chicago; Bull. Torrey Bot. Cl, New York, &c.), Caruel (Nuovo Giorn. 
bot. ital., Firenze, x, 1878), A. S. Wilson (J. Bot., London, New Series, iv, 1875; 
Trans. and Proc. Bot. Soc., Edinburgh, xi and xii, 1873-4), G. Henslow (Nature, 
xiv, 1876; Trans. Linn. Soc., London, Series 2, i, 1877; Pop. Sci. Rev. xviii, 
1879), &c. The observations published in these works are so numerous that they 
cannot here be dealt with individually, but reference must be made to the original 
works. 
