HERBACEOUS PERENNIALS SEASON BY SEASON 153 



MAY — continued 



Globularia trichosantha Blue^°'°'^ Height in inches 



♦Viola cornuta and var Var>V>"nc 5 to 8 



Ajuga reptans .' ." .- ; Purnh^sh blue f '° ^ 



Armeria dianthoides WhUe ^ 



Arabisalpina ' "■White ^ 



Arabis alpina rosea . Pink ^ *'° ^ 



Epimedium niveum WhitP ^ *° * 



Asperula odorata '.'.'.'.'.'.'.'.'.'. White ^ ^° * 



Polemonium reptans rIup ^ *o 8 



♦Primula Sieboldii .' .' .' .' Varion.; <^ *^o » 



Ranuculus gramineus Rri<ThwpnA;j 6 to 8 



♦Convallaria majalis ! . . ! . .' '. .' '. ." Whfte ^ ^° * 



*Iberis sempervirens and vars White 6 to 9 



Primula vulgaris ccerulea .' Bi„g 6 to 9 



Ajuga genevensis gi 6 to 9 



Anemonella thalictroides WhitP ^ ^° ^ 



Aubrietia deltoidea I avpnHVr'w,;» ^ *° ^ 



Papaver alpinum ;;•; WWte ' ^ *° ^ 



Lamium album Wh t^ 6 to 9 



Potentilla tridentata Whitl "^ to 9 



Arnebia echioides Vellnw ^ *-° ^ 



*Iris pumila eburnea Creamv ^ ^° ^ 



*Iris pumila florida LemoTveliow ^ '° ^ 



*Iris pumila formosum vfoTt ^ ^° ^ 



Myosotis alpestris alba Wh t p <5 to 9 



Myosotis alpestris, Victoria Lieht hi,',; ^ t° ^ 



Cerastium Biebersteinii White ^ '° ^ 



Lychnis alpina ^nt ^ to 9 



Armeria alpina p ' t 6 to 9 



Aubrietia Hendersonii ;; LavenHpV hinp "^ to 9 



Aubrietia purpurea vfolet ^ to 9 



♦Anemone sylvestris Whifo 6 to 9 



♦Aster alpinus P^,r,;ip 6 to 10 



Aster alpinus albus .'..'. WhitP 6 to 10 



Nierembergia rivularis Whitp 6 to 10 



Veronica Teucrium r,"p 6 to 12 



♦Ins pumila cyanea P„rr>ip 6 to 12 



Potentilla pyrenaica '. Yellow 6 to 12 



Pulmonaria angustifolia azurea .■.■.■.■.■.'; Gent^AblnV 6 to 12 



Pulmonaria saccharata maculata Bhie ^ '° ^2 



Ranunculus repens fl. pi Yellow 6 to 12 



Tiarella purpurea major '.'.'.'.'.'.'" 'Salmon'red 6 to 12 



Ins gracilipes ; Lfla? 6 to 12 



Epimedium Musschianum rubrum Red * 



Epimedium sulphureum Yellow 8 to 10 



Epimedium violaceum VinlPt 8 to lo 



Myosotis alpestris .■:.■;.■ Skv hlnV 8 to 10 



Myosotis palustris semperflorens Skv hlnp 8 to IQ 



Saponaria ocymoides RnL ipH 8 to 10 



Anemone patens nuttalliana Piirnle 8 to 12 



Anemone ranunculoides Vpllnw 8 to 12 



Iberis gibraltarica Lilac 8 to 12 



Epimedium diphyllum roseum Rose 8 to 12 



Epimedium pinnatum colchicum Yellow ?. 



Anemone Pulsatilla VinW ^ 



♦Cyripedium acaule r!?«,, ,;;,;;i^ 9 to 12 



♦Cypripedium pubescens. ......". Yellow^ ^ to 12 



♦Cypripedium spectabile .' Pink 9 to 12 



Primula elatior superba Vp11„w 9 to 12 



Allium Moly ; ^^ °^ 9 to 12 



Erythronium americanum '. Ve nw 9 to 12 



Crucianella stylosa Pint 9 to 12 



Primula denticulatum .' .' P,,rnlp 9 to 12 



Primula denticulatum album. . . WhitP 9 to 12 



Adonis vernalis RriilV ' ' 11 9 to 12 



Teucrium Chamadrys ! fc nnr "i^ ^ to 12 



♦Papaver nudicaule... Varin,P«^ ^ to 12 



Daphne Cneorum Rose nl^t ^ to 15 



♦Anchusa myosotidiflora RW 9 to 15 



Euphorbia Cyparissias ." VpIIow 10 to 12 



♦Ph ox divaricata canadensis LaveiTdVr JO to 12 



Phlox divaricata alba grandiflora . . Whi?P 10 to 12 



vvmie 10 to 12 



