PLUMBAGINACEAE— PRIMULACEAE 



' \ 



a Sterol 2 ni. t.ill ; involucre with 5 white petal-like glands 

 (t) Upper leaves white or white-margined, rosette-like 



Leaves scattered, no) white and no) in a rosette 

 1). Stems prostrate, or 1 3 dm. high 

 Stems prostrati iding 



Leaves hairy 

 (lii Leaves smooth 

 \. Seeds wrinkled anil pitted 

 v. Seeds strongly wrinkled, no) pitted 

 Stems erec t, 2 .3 <lm. high ; 



I odiaeum — Codiaeum, Croton 



1 1 ..itiiiizol form of the Malay i 

 shriih; leaves ovate-lanceolate, varicolored 



I . . H 

 the- mount ait 



E. "in, uldta 



E. glyptospirma 



I'., ii ii< aits 



C. />/, ! u in 



Primulales Primrose Order 



Plumbaginaceae — Leadwort Family 



Herbs or woody plants with entire leaves; sepals 5, united, petals ?, more or b->- united, stamens 

 5. opposite the petals, ovary I -celled, stigmas 5, fruit a utricle; flower syncarpous, sympetalous or some- 

 times apopetalons, hypogynous, regular. 



1. Stems leafy; corolla with a long tube /'lumbago 



2. Stems leafless ; corolla of nearly or quite separate petals Armeria 



Plumbago — Leadwort 



(Lat. plumbum, lead, application obscure) 



1. Shrubby, climbing; leaves not ciliate ; flowers light blue 



2. Low bushy herb; leaves ciliate, llowers deep blue 



Armeria — Thrift 



(I. at. form of the Celtic name) 



Stems tufted, with narrow entire leaves; flowers 



P. capensis 



P. larpiutae 



A. mariiima 



Primulaceae — Primrose Family 



Herbs with simple leaves; sepals 5, united, petals 5. united, stamens 5, opposite the petals, ovary 

 1 celled, stigma 1, carpels 5, fruit a capsule or a pyxis ; flower syncarpous, sympetalous, hypogynous, 

 usually regular. 



1. Flowering stems leafless 



a. Flowers in an umbel, erect Primula 



b. Flowers single, inverted Cyclamen 



2. Flowering stems leafy 



a. Flowers yellow Lysimachia 



b. Flowers red, blue or white Anagallis 



Primula — Primrose, Cowslip 



i I. at. primus, spring', g to the time of blooming) 



1. Flowers pink to purple or white 



a. Leaves round-ovate, lobed; calyx inflated /'. sininsis 



b. Leaves spatulate, not lobed; calyx not inflated; native P. mistassinica 



2. flowers yellow to red 



a. flower-- 1-2 cm. wide, drooping; corolla limb cup-like P.officindlis: cowslip 



b. 1 lowers 2 4 cm. wide; corolla limb flat 



(1) Leaves thick, 5-8 cm. long /'. ,,uri. ■ : 



Leaves thinner, 1-2 dm. long 



(a) Flowers stemless or nearly so, among the leaves P. vulgaris 



(b) Flowers on leafless scapes P.polydntka 



