lilac. The following is a lisl of the plants on which it is known to 
occur: 
Alder (Alnus rugosa Spn 
Almond i Prunus Bp.), ' Ihina. 
Americaxi aspen (Populus tremuloides 
Michx 
American bladdernul (Staphylea • 
I. inn 
Amorpha sp., exotic. 
Apple I Pyrus malus Linn. I. 
Apple. crab i Pyrus sp . 
Apricot Prunus ar ■ nicu a I. inn. . 
Arrow -w 1 I l 1 ! 1 
Ash i !''■■'■ nui am* ricana Linn . F. ex 
a Isior Linn. i, I Fraxinua Bpp - 
Balm of Gilead \ I'uiinlus balsami/era 
Linn 
Basswood Tilia americana I. inn.), (T. 
angu.sti jol in, from Germany). 
Beech ea Sudw.). 
Bilberrj i VacciniummyrtillusIAan..). 
Birch, white (Betula populi/olia Ait.). 
Birch, river (Betula nigra Linn.). 
Bittersweel I ( < lastrus Bp 
Blackthorn (Prunus spinosa Linn.). 
Box (Bush* semperviri ns Linn.). 
Boxelder (Acer negundo Linn.). 
Broom i ' ytisus scoparius Link, i, Gurnsey. 
(C. nubigt nus Link, i, from Gurnsej i " 
Buckeye (JEsculus glabra Wild. i. 
Buckthorn • 9 cathartica Linn 
Butternut (Juglans cinerea Linn.). 
' alhn, 11 Bp., Sweden. 
' 'mm lUa Bp. 
Camphor tree (Camphora officinalis 
Steud.). 
( 'assia Bp., in greenb 
Cherry 1 Prunus Bp 
< beetnul ( 'astanea americana Rai 
< !• mutts paniculata Thunb. 
t 'ocoa palm from Barbad 
Bp. 
Cranberrj 1 Vaccinium sp 
Currant; black Ribes nigrum Linn 
Currant, red ' Ribi 1 ruhru,: I 1 
D "1 Cornusalba Linn. ,(C.albava.r. 
sibirim Lodd ?C. alterna Mars) 
■ \ Mej ' sanguinca 
Linn.). 
Elm, English Ulmus campestris Smith). 
Elm, purple-leaved (I7Zmus scabra, var. 
purpurea Koch 
>horbia palustris Linn.. Germany. 
[Clr. lL'tl 
False bittersweet (Celastrus scandens 
Linn 
arii ■ Linn.). 
Filbert 1 ( 'orylus sp.). 
folium Linn.'). 
1 -el., n . aosbati Linn. , 
Goatsbeard 1 4t*uticus Sylvester Kost. 1. 
Grape 1 l tfis mni/era Linn 
Backberrj (Celtis occidental^ Linn 
Bawthorn Crataegus crus-galli Linn 
oxyacantha Linn. 1. 
Helianthemum chamxeistus Mill., Eng- 
land. 
Ileniii ;/,,-,,,, ^|,. . England and Sweden. 
Beather 1 ( 'alluna Bp. 1. 
Holly i //< 1 in nata Thunb. 1. 
Bone} 3uckle 1 / onicera sp.). 
Bop tree (Pfc /, 1; trifoliata Linn. . 
Boree-chestnut 1 JSsculus hippocastanum 
Linn.). 
5or< na duleis Thunb. 
June-berrj 1 .!///< lanchii r spp. 1. 
Leather leaf (Chamxdaphne calyculata 
Moench 1. 
Lilac (Syringa persica Linn . S vulgaris 
Linn 
Lime (Citrus Bp.). 
Linden. 1 n, , Basswood. 
Locust, cultivated < Robinia pseuda 
Linn.). 
Locust, water (Gleditsia aquatica Marsh). 
.Maple. Btllped I'.lr.T pi n tis,/l < u met/ in 
Linn 
Maple, sugar I leer surrlmrinuiu Linn.). 
Maple, mountain (Acer spicatum Lam.). 
Mespilus cuneata Miq., Japan. 
Mo alustris Lit 
Mountain ash (Sorbus americana Marsh). 
Mountain ash, European (Sorbus aucu- 
paria Linn. 1. 
Myrtle ( Myrtus sp. 1, Egypt. 
Nectarine 1 /'r</< ■ sp 
New Jersey tea (Ceanothus americanus 
Linn I. 
< >nk (Querciis pedunculata Ehrh. . (Quer- 
elas Bpp. 1, < lermany. 
Orchid. 
isandra terminalis Sieb. iV Zu 
1 Prunus persica Sieb. >v Zucc). 
i commun ■ 1 I ,inn. 1. 
Pear. Siekle. 
