lvi 
INTRODUCTION. 
67 
Glaux. Calyx-lobes petal-like. Stigma 1. Pod few-seeded. 284 
Paronychia. Sepals dry or scarious, awn-pointed. Style 2-cleft 
Utricle I-seeded. 65 
Herbs : calyx adherent: petals none. 
Comandra. Calyx-lobes petal-like. Fruit 1-celled, 1-seeded. 397 
Herbs : calyx free : petals conspicuous. 
Lythrum. Petals on the cylindrical calyx, regular. 132 
Impatiens. Sepals and petals colored alike, irregular. Stigma sessile. 76 
Violacee. Sepals green : petals rather irregular. Style club shaped. 43 
Claytonia. Petals regular, distinct from the 2 sepals. Stamens op¬ 
posite them. Style 3-lobed. 
•--•-Shrubs: stamens opposite the petals, alternate with the calyx-lobes. 
Rhamnacee. Calyx conspicuous. Upright shrubs : no tendrils. 84 
v itacee. Calyx minute and truncate, climbing by tendrils. 85 
Shrubs : stamens alternate with the petals. 
++ Leaves 3-foliolate. 
Ptelea. Fruit 2-celled, 2-seeded, flat and winged (samara). 
Leaves simple and undivided : calyx free or nearly so. 
Celastracee. Stamens on a disk. Seeds few, in pulpy arils. 
Itea. Stamens on the base of the calyx. Pod 2-celled, many-seeded. 
Aquifoliacee. Stamens on the base of the petals. Drupe 4 —6* 
seeded. 
Ledum. Stamens hypogynous. Pod 5 celled, many-seeded. 
****** Leaves simple, palmately lobed : calyx adherent. 
Ribes. Stamens on the calyx. Fruit a many-seeded berry. 
* * Corolla monopetalous, superior (calyx adherent). 
-♦--Stamens free from the corolla : leaves alternate, 
f ampanulacee. Corolla 5-lobed, regular. Pod 3 celled, many- 
seeded. 
-•--•-Stamens on the corolla: leaves opposite. 
Caprifoliacee. Stipules none. Fruit a berry or pod. 
* * * Corolla monopetalous, inferior (free from the ovary). 
-♦-Stamens on the corolla opposite its lobes. 
Primulacee. Pod 1-celled, several-seeded in the centre. 280 
-►--•-Stamens hygogynous, alternate with the lobes of the corolla. 
Ericinee. PocPseveral-celled, many-seeded. 257 
-•--•--•-Stamens on the corolla alternate with the lobes. 
-M- Pod or berry 2-3 celled j the cells several-seeded. 
Spigelia. Corolla valvate in the bud. Leaves opposite, entire. 
Verbascum. Corolla imbricated. Leaves alternate. 296 
Polemonium. Corolla convolute in the bud. Leaves alternate,pinnate. 343 
Diapensiacee. Corolla convolute. Leaves entire, small. Anthers 
opening across. 346 
Solanacee. Corolla plaited or infolded-valvate in the bud. 332 
++ ++ Pod 2 - 3-celled, 2 large seeds in each cell. 
onyolvulacee. Corolla bell shaped or funnel-shaped, plaited or 
convolute. ^ ' v 347 
-- -+ -m. Pod 3-celled, one seed in each cell. 
Corolla salver-shaped j the lobes convolute in the bud. 
-m. ^ ^ Fruit 4 seed-like nutlets around the style. 
Boraginacee. Corolla 5 lobed, regular. 
78 
83 
151 
275 
271 
142 
255 
169 
Phlox. 
344 
334 
