132 CGLASS-BOOK OF BOTANY. 
B. Stamens as many as and alternate with corolla-lobes. 
+ Leaves opposite. 
48, Oue1nEm.—Shrubs or trees. Corolla absent (in the 
New Zealand genus). Stamens 2. Ovary 2-celled. Fruit a 
1- or 2-celled drupe. (Olea, 3 sp.) 
49. Arpocyns#.—Climbing shrubs. Stamens 5, with sagit- 
tate anthers adhering to the stigma. Ovary 2-celled. Fruit 
of two long follicles. Seeds with a tuft of silky hairs. (Par- 
sonsia, 2 sp.) | 
50. Logantacem.—Shrubs or herbs. Stamens 4 or 5, 
anthers free. Ovary 2-celled. TVruit a 2-valved many-seeded 
capsule. (Mitrasacme, 1 sp.; Logania, 3 sp.; Geniostoma, 
1 sp. 
ee GENTIANEa:.—Herbs with bitter juice. Stamens 4 or © 
5, anthers free. Ovary 1-celled, with 2 parietal placenta. 
Fruit a 2-valved capsule. (Gentiana, 4 sp.; Sebea, 1 sp.; 
Lipnarophyllum, 1 sp.; Erythrea, 1 introduced species.) 
++ Leaves alternate, exstipulate. 
52. BoracinEam. — Herbs, frequently hispid, with entire 
leaves and scorpioid inflorescence. Corolla imbricate. Ovary 
4-lobed to the base, csnsisting of 2 carpels, each 2-lobed and 
9-celled, and containing a single ovule in each cell. Style 1, 
gynobasic. Fruit of 4 nucules. (P. 146.) 
53. CoNvoLVULACE#.—Climbing or prostrate herbs (Cus- 
_cuta is a leafless parasite). Corolla plaited or imbricate. 
Ovary 2- (rarely 3-) celled, with 1 or 2 ovules in each cell. 
Fruit a 1-2-celled capsule, sometimes indehiscent. (Convol- 
vulus, 1 sp.; Calystegia, 4 sp.; Ipomea, 1 sp.; Dichondra, 
1 sp.; Cuscuta, 1 sp., 2 or 3 introduced species.) 
54. Sonanpa.—Herbs, often shrubby. Corolla plaited. 
Stamens with anthers often cohering and opening by terminal 
pores. Ovary 2-celled, with numerous ovules. Fruit a berry. 
(Solanum (Potato, Poro-poro, &c.), 2 sp.) 
55. PLANTAGINEH. — Scapigerous, ‘acaulescent herbs ; 
leaves radical. Corolla scarious, 4-lobed. Stamens 4; an- 
thers pendulous. Ovary 2-celled. Capsule dehiscing trans- 
versely. (Plantago, 7 sp.; 2or 8 introduced.) 
ale ate 
56, SCROPHULARINE®.—Herbs or opposite-leaved shrubs. 
Stamens 2, or 4 and didynamous. Ovary 2-celled, with nu- 
merous ovules on axile placente. Fruit a capsule. (P. 146.) 
57, GESNERACEZ.—Opposite-leaved shrub. Stamens 4, 
didynamous, with a rudimentary fifth. Ovary 1-celled, with 
numerous ovules on 2 produced parietal placente. Fruit a 
capsule. (Rhabdothamnus, 1 sp.) 
