254 Nachtrag. 



226) Podoct/rtis Trtracantha, asperula (3 -arhoul.), rapituluin 

 globosum irregulaiitcr rclliilosum, mucroiu? purvo. Artic. II tur 

 gidus subcainpanulatus, ci-llularum inaequalium sericbiis quincunr 

 Artic. III brevis paullo latior, cellulis niaximi» paucis (2 in longi 

 tudine) instructuf«. Appendices 4 flexuosae apicibus conniventcs 

 Long, sine aculeis ^'5'", capitis j\\"', art. II 3^'", art. III ^t"\ 

 append. j^^"', acul. front. ^\^"' . Latit. inax. yj'"- Cell, minon-s 

 in ^^"' fere 2 — 3, diameter majoris singulae 3^1-'". 



227) Podocyrtis Triacantha, semi-aspera (3-articul.), capitiiliiin 

 non discretiun laeve hyalinum, aciileo frontali crasso longo \n\^\ 

 inclusum. Artic. II sensim ampliatus subcampanulatus, ccllulis laxi-^ 

 parvis inaequalibus quincuncialibus. Artic. III margiiie dentatll^4, 

 cellulis maximis paucis ornatus. Appendices 3 flexuosae, apicibn-^ 

 conniventes. Long, sine aculeis j^^'", capitis j^^j-'", art. II 3^5' 

 art. III ^"', append. ^"', acul. front, ■^^"'. Latit. max. ^' 

 Cell, minores in g'g^'" fcre 3, diameter majoris singulae ^'.^ "• 



228) Podocyrtis reutricosa, margine denticulato (3-articul.), ca- 

 pitulo parvo globoso, mucrone frontali instructo, costa decurrenle. 

 Artic. II cellulis majusculis quincunc, margine dcntato-asperis. Ar- 

 tic. III valde turgidus priore plus quam duplo latior, dentibus in 

 arabitu acutis, cellulis magnis subquineunc. rotundis 4 — 5 in longi- 

 tudine, appendicibus 3 (an 4?) crassis defectuosis hinc brevibuji. 

 Long, sine acul. ^f'", capitis ^hf'"^ ^^t. II 3^"', art. III ^j"\ acul. 

 front, il^'". Latit. max. -^"'. Cell, minores in ^^"' 2—3, diam. 

 majoris sing. y^V"- 



Similes formae aput Thyrsocijrtides conferantur. 



229) Pterocanhüu barbadense, laeve (3-articul.), capitulo glo- 

 boso celluloso, mucrone laterali acuto. Artic. II globosus turgidus. 

 aculeo forti laterali retrorsum spectante, superficiei cellulae in s« 

 riebus obliquis parvae. Artic. III valde angustus cylindricus, antt- 

 riore parte conformiter cellulosus, postica parte niembranaccus, mar- 

 gine postremo lacero subdentato. Long, totius sine aculeo •^"', 

 capitis yJt'", art. II et III aequaliter ^5'", acul. front, ytt'"- Latit. 

 max. art. II -^"'. Cell, in ^V'" '"ere 4. 



230) Pterocanium Bombus, laeve (4-articul.), capitulo globo'^o 

 inermi celluloso, costa media decurrente. Artic. II turgidus coni- 



