PARIETARIA. URTICACE/JE (aucron WEDDELL), 2935" 
Peninsula italica, Peloponneso, Rossia australi ?, ins. Archipelagi, Creta, prov. 
Constantina Mauritanie, Syria et Asia minore (Balansa, pl. or. n. 344). — DC. 
Fl. fr. 5. p. 356; Ledeb. Fl. ross. 3. p. 639; Gren. et Godr. Fl. fr. 3. p. 110; 
Bl. 1. c. p. 252; Wedd. Monogr. p. 517. t. 17. f. 19 et 20. — Caules s. rami 
primarii pauci v. numerosi , plerumque filiformes, 1-2-decimetrales fere sim- 
plices, siccitate flavescenti-virides vel fuscescentes. Folia 5-10 millim. longa, 
4-8 millim. lata, superne sensim attenuata rariusve subacuminata, acutiuscula 
aut obtusa, basi scepius obtusa vel rotundata, rarius acuta, utrinque sparsim 
pilosula demumque ut caulis ipse glabrata, limbo exsiccato membranaceo lete 
vel obscure viridi cystolithis crebris minutissimisque punctulato, petiolo di- 
midii limbi circiter longitudinis vel paulo longiore pubescente aut glabrius- 
culo. Cymula 3-T-florz, bracteis pubescentibus ciliatisque, pilis rectis aut 
quibusdam hamatis intermixtis. Flores hermaphr. dilute virentes, perigonio 
pilis paucis uncinatis brevibus hispido. Flores fem. perigonio ovato extus 
squaliter hispidulo intus glabro, fructifero 11-14 millim. longo incrassato 
saturate castaneo capsulamque quadrivalvem quodammodo referente, valvis s. 
lobis sensim attenuatis apice conniventibus glabriusculisque nervo triplici 
prominente percursis. Achanium elliptico-ovatum , vix millimetrale, recte 
p ddexd dilute fuscum. — Affinis przecedenti, sed facile distinguenda 
characteribus perigonii fructiferi. Bractez semper (teste cl. Gussone) peri- 
gonio adpresse. (v. s.) 
&, Chersonensis, foliis amplis late ovatis subacuminatis obtusis longe petio- 
latis lzete viridibus exsiccatis hyalinis, cymis glomeruliformibus, bracteis 
linearibus perigonia superantibus. C) In locis umbrosis saxosis, prope 
Odessa. P. lusitanica 8 chersonensis Lange et Szovics. Caulis suberectus. 
Folia 3-4-centimetralia basi obtusa v. acuta. (v. s. in hb. Monac.) 
y, filiformis (Wedd. mon. p. 518), caule ramisque quam in typo elonga- 
tioribus, foliis paulo angustioribus, bracteis lineari-lJanceolatis subzequali- 
bus demum squarroso-patulis perigoniumque fructiferum superantibus. 
(2 In saxosis aridis vulcanicis ins. Ustica (Gussone), Capri (Tenore) et in 
Grecia (Heldreich). P. filiformis Ten. Syll. p. 77; Guss. l. c. p. 642. 
à, decipiens (Wedd. mon. p. 518), caule ramisque diffusis v. erectiusculis 
elongatis, foliis majusculis lanceolatis longe petiolatis, cymis pauci- 
multifloris, bracteis lineari-lanceolatis flores longe superantibus. (2) In 
Georgia caucasica (Hohenacker, Un. it. ann. 1838). — Specimina visa 
aspectum P. pensylvanioe omnino habent; in hac autem folia tripliner- 
via sunt nec trinervia et perigonium fructiferum valde diversum. 
- 
. P. PENSYLVANICA (Mühlenb. Cat. pl. Am.), annua, caule erecto elato subsim- 
lici v. ramoso basi interdum lignescente, foliis lanceolatis v. rarius ovato- 
anceolatis majusculis triplinerviis sparsim puberulis diluteque viridibus, 
cymis multifloris, bracteis linearibus flores superantibus post anthesin sub- 
immulatis, floribus paucis hermaphroditis perigonio post anthesin haud mu- 
tato, cceteris femineis perigonio fructifero elongato cylindraceo lobis breviter 
acuteque acuminatis. C) In America septentrionali temperata frequens, Texas, 
Mexico, cct, — Willd. Spec. pl. 4. p. 955; Asa Gray, Man. bot. U. St. p. 400; 
Bl. l. c. p. 254. P. debilis e pensylvanica Wedd. Monogr. p. 516. t. 17. f. 28- 
31. — Sicut species praecedentes magnitudine omnium partium sat variabilis. 
Caulis 2-5 decim. altus, subpubescens, fere semper erectus et basi interdum 
sat robustus. Folia 25-7 centim. longa, 1-2 centim. lata, vulgo sensim acu- 
minata, acumine acuto v. obtuso, basi attenuata v. plus minus abrupte cu- 
neata, triplinervia v. subpenninervia, nervis basilaribus supra petioli inser- 
tionem petioli plus minus distanter ortis; limbo imprimis in margine 
pubescente exsiccato tenuiter membranaceo, petiolo gracili 2-24 centim. 
longo ut limbus magis minusve pubescenti-piloso. Cyme quam in speciebus 
duabus precedentibus sepius majores, basi dichotomz dein scalari-unipare, 
sublaxiflore, bracteis 3-4 millim, longis obtusis patulis puberulis ciliatisque. 
Flores hermaphr. vix nisi in apice ramulorum cymae nascentes parvi, perigonii 
segmentis pilis brevibus rectis uncinatisque hispidulis. Flores fem. numerosi, 
singuli bracteis duabus elongatis stipati, perigonio ellipsoideo lobis hispidis 
post anthesin oblongo 2 millim, circiter longo fusco et plus minus indurato, 
