65 
marginibus leviter curvatis—rectiusculis, acumine brevi, infra incane 
ceerulescenti-cesia; glandule subfoliares albe—stramineo-ferrugine? ; 
serratur&e minores, plerumque angustiores, non adpressie, marg. ext. 
regulariter non elongato, int; brevi, curvato—rectiusculo, horizon- 
tali-patente, aculie vel acuminat:e, in apicem vel acuminem longum 
acutum sat equaliter egredientes; pseudocarpia magna, pyriformia, 
setosa; aculei bene compressi, rectiusculi. 
Sverige: Ög. Stjärnorp, Sörby (P. A. IssÉN). 
107. "drimylopsis Matss. n. Foliola regulariter ovato- vel ovali- 
rhombea—rhomboidea, basi anguste rotundata, media parte bene 
elongata, apicali brevi, marginibus rectiusculis, acumine brevi, acuto, 
infra  cceerulescenti-cesia; glandulXe subfoliares albrx—Sstramineo- 
ferrugine&; serrature sat profunde, late, non adpresse, marg. ext. 
elongato, int. sat. longo, horizontali—patente, bene curvato, in acu- 
minem regulariter brevem acutum abrupte egredientes; pseudocarpia 
parva, globosa—pyriformia, setosa vel levia; aculei breves, a basi 
alta cito compressi, rectiusculi. Flores séepe albi. 
Sverige: Srml. Nynäshamn; Ög. Kimstad; Örtomta, Ekenäs (P. 
ÅA. IssSÉN). 
C. Nigrantes: Foliola parte apicali bene evoluta, marginibus 
:equaliter in apicem rectum vel parum obliquatum progredientibus; 
serratur:e, marginibus regulariter conflexis, exteriore interiorem dup- 
licem non superante, non accumbentes; denticuli evidenter prodien- 
tes; pseudocarpia immatura regulariter nigrescenti-viridia; aculei 
mediocres, sparsi, bene compressi, recti>—-rectiusculi. 
I. Foliola 'parte ' apicali -- evoluta, sed non pre ceteris extracta; 
serratur2e in acuminem regulariter brevem egredientes. 
108. "nigrans Matss. 1. ce. Foliola regulariter ovalia vel ovato- 
ovalia, interdum rotundata, raro angustiora, basi rotundata, parte 
apicali parum evoluta, acumine brevi, recto vel parum obliquato, 
infra obscure cesia, interdum pruina abundante pallidiora, raro 
coeruleo-ciesia vel glauco-ciesia; glandule subfoliares albre—nigres- 
centi-brunne:; serrature mediocres—parvie, non adpresse, acumi- 
nate, marg. ext. leviter curvato, int. curvato—rectiusculo —incurvato, 
horizontali—patente, sat equaliter in acuminem patentem—porrectum 
egredientes; pseudocarpia mediocria, globosa—pyriformia, regulari- 
ter setosa. 
a. Foliola ovalia vel ovato-ovalia, infra obscure ceesia, interdum 
pallidiora; serrature regulariter angustiores, equalius acuminate. 
Svensk Botanisk Tidskrift 1915. 2 
