— 142 — 



glandulosus, glandulis usque ad medium descendentibus. Flores intense lutei, 

 Stylus fuscus, achaenia atra. — Habitus fere ut in H. mediwio Griseh. 



Ad ostium fl. Dwina, in betuletis ; in insula Kusow maiore maris Albi ; in 

 insula Ssolovetsk maris Albi, in pineto-betuleto. 



H. sagittatum Lindbg. 



Ssp.y (Specimen partim destructum). Wologda: Distr. Welsk, in pineto. 



jBT. vulgatiuH Fries. 



Ssp. ubsc uriceps Dahlst. — Litus Orient, maris Albi: Puschlachta. 



Ssp. riolascentifonne Pohle et Zahn. H. violascenti DaJilst. affine. 

 Caulis 30 ad 50 cm altus gracilis disperse glandulosus, superne dense, usque ad 

 basin modice floccosus, basi tantum disperse pilosus, 2( — 3) foliatus. Folia sub- 

 rigida sublutescentiviridia remote glanduliformeque denticulata vel dentata, lan- 

 ceolata utrinque aequaliter acuminata acuta, supra dispeise pilosa vel plurima 

 glabra, subtus disperse pilosa, in margine nervoque dorsali sat dense brevius 

 longiusve ciliata, in nervo dorsali subfloccosa, radicalia brevius longius petiolata, 

 interiora saepe elongata, semper acutiora, caulina breviter petiolata in parte 

 aversa subfloccosa, in nervo dorsali dense floccosa, superius angustum utrimque 

 floccosum. Acladium 20— 25 mm longum, rami primarii 2 — 6 remoti 1 — 5-cephali, 

 ordines axium 3—4, capitula 5 — 25, involucrum 10 mm longum gracile ovatum. 

 squamae sublatiusculae vel subangustae acutiusculae, dorso obscurae sparsim 

 floccosae, in margine sat dense floccosae, praeterea glandulis atris sat longis 

 + numerosis vestitae, epilosae. Pedunculi cani v. iuniores albotomentosi, medio- 

 criter glandulosi epilosi. Flores intense lutei, dentes ligularuni breves, Stylus 

 obscurus. 



Litus maris Albi: Sjetnig Orlow, inter Sphagna, Betulas et Salices. — 

 Wologda: Distr. Welsk. 



Ssp. siihviolascentifornie PoJile et Zahn. Caulis tenuis ad 20 cm altus, 

 floccosus, basin versus tantum subpilosus, 3 — 5 foliatus. Folia oblongo-lanceolata 

 V. lanceolata utrimque attenuata acuta serrato - denticulata v.- dentata dilute 

 viridia saepe 4i purpureo-colorata, supra fere omnino epilosa, subtus disperse, 

 in margine nervoque dorsali densius pilosa, 1 — 2 mm, radicalia breviter petiolata, 

 caulina angustioi'a acutiora basi breviter subpetiolata v. angustata sessilia, superiora 

 subtus subfloccosa, .summa subulata. Acladium 15 — 25 mm, rami 1 — 3( — 4) saepe 

 haud evoluti, capitula (1 — ) pauca. Involucrum c. 9 mm, ovatum denique trun- 

 catum depressum, squamae sublatiusculae subobtusae v. acutiusculae atrovirides, 

 in margine + late obscureque viridi-marginatae (inferiores saepe omnino pallide 

 virides), in dorso tantum disperse floccosae, disperse pilosae (1 mm) glandulosae- 

 que. Pedunculi consimiles, obsure cani. Flores saturate lutei, stylus obscurus. 



Prov. Archangelsk : Ad Ussam, in rupestribus calc. — Prov. Wologda : Ad 

 fl. Pätök maiorem. Transitus vuk/afuiH ]> laevigatutn (rigidum). 



Ssp. cruentifer um Norrl. et Lindhg. fil. — Prov, Archangelsk : In ripa 

 fl. Ussa: Arep Mikit, Ust Lemna (forma angustifolia, oligocephala). 



Ssp. asperelluni Pohle et Zahn. Caulis gracilis v. crassus ad 60 cm altus, 

 praecipue inter folia rigidiuscule pilosus, 1 — 2 mm, subfloccosus. Folia caulina 

 ad 10 rigidiuscula, obscure gramineo-viridia, lanceolata, utrimque attenuata acuta, 

 denticulata v. breviter dentata, dentibus glanduliformibus v. linearibus, infei'iora 

 alato-subpetiolata, superiora sessilia longo acuminata fere integerrima utrimque 

 subfloccosa. omnia supra glabra v. sparsim pilosa, subtus et praecipue in mar- 

 gine nervoque dorsali subpilosa subscabra. Acladium ad 30 mm, rami 1 — 4 vel 

 complures valde remoti, ordines 3 — 4, capitula 2—12 v. compluria, 11 — 12 mm 

 longa, crassa (ad 10 mm lata), denique truncata, obscura; squamae latiusculae 

 obtusae atrovirides fere effloccosae mediocriter glandulosae epilosae v. pilis cras- 

 siusculis solitariis praeditae. Pedunculi cani disperse glandulosi sparsim brevi- 

 terque pilosi. Bracteae 2 — 3 subobscurae sub involucro saepe confertae. Flores 

 saturate lutei, Stylus obscurus. 



