KONGL. SV. VET. ÄKADEMIENS HANDLlMiAl!. BAND. 33. N:<> 2. 1)7 



Subsectio A. Leptophyllse Dahlst. 



Gaules tenues v. crassi, + subrecti, longi, basi radicantes, SEepe ± repentes, stoloni- 

 feri. Folia minuta — parva, linearia — late spathulata, inferiora vulgo minora, latiora, 

 superiora majora, angustiora, + acutiuscula, obtusa — emarginafa v. mediocria, + elliptica 

 — ovato-lanceolata, + acuminata, acumine ipso obtuso, verticillata, in verticillis intimis 

 3 — 4, in vertic. summis 3 — 6. Baccce parva? — mediocres. 



1. Folia linearia — oblonga, inferiora siepe + spathulata, parva, 3 — 6 in verticillis. 

 Herba glabra. 



ct. Herba foliis anguste linearibus, obtusis, debilis, repens, caules floriferos, 

 ramosos, breves edens. 



P. filiformis (Sw.) A. Dietr. 1. 



ß. Herba robustior v. elongata, basi repens, foliis spathulatis, obtusis — emargi- 

 natis v. linearibus — lineari-lanceolatis, obtusiusculis; caules + erecte ramosi, 

 elongati, rarais + patentibus. 



a. Bacca magna, ovato-globosa, scutulo obliquo, postiee sat elongato, plus 

 quam dimidium baccse a?quante. 



P. incequalifolia Ruiz & Pav. 2. 



b. Bacca ovato-elliptica, scutulo obliquo, postiee minus produeto, parvo, ad 

 summum tertiam partem baccaa aaquante (v. paullo superante). 



o. Folia summa + linearia, + obtusa, angusta, 4 — 6 in verticillis, 

 crebrius punctata. Bacca ovato-elliptica, scutulo majore. 



P. galioides Kunth 3. 



oo. Folia omnia latioi'a, + spathulata, .'! — 4 in verticillis, sparsius punc- 

 tata. Bacca ovato-globosa, scutulo brevi. 



P. oajacensis Dahlst. 4. 



2. Folia latiora, elliptica — elliptico-lanceolata — rhomboidea, 4 — 6 in verticillis. 

 Herba + pilosa. 



P. verticillata (L.) A. Dietr. 5. 



Subsectio B. Platyphyllae Dabist, 



Caules + graciles — crassi, erecti — suberecti, + elongati, basi radicantes, stejie + 

 repentes, stoloniferi. Folia mediocria ( — sat magna), + ovata — ovato-lanceolata v. obo- 

 vata, + acuta — longe acuminata, inferiora vulgo et stolonum minora, + spathulata, crassiora, 



K. St. Vet. Akad. Haudl. Bund. 33. N:o 2. 13 



