FOR ARRANGEMENT IN THE HERBARIUM. 



xlv 



*Hormotrichum; collabens, bangioides, Younganum, Carmichaelii, speciosum, 

 flaccura, Cutler 1*38. 



Conferya; arenicola, arenosa, littorea, LiDum, sutoria, tortuosa, implexa, 

 Melagonium, serea, clandestina. 



* Formerly G. rollahens (Fig. 327), Conferva lanffioides (Fig. 328), C. 

 Yovnqnna (Fin;. 337), Lynghya Carmichaelii (Fig. 368), L. speciosa 

 (Fig. 369), L. CutlerioQ (Fig. 370), and L, flacca (Fig. 359). 



ramily 23. — OSCILLARIACEiE. — Solid masses or soft tufts of tichular threads, 



each thread containing a row of narrow 

 cylindrical colour-cells. 

 Zoospores internal. 



RiVTJLARiA; plicata, atra, nitida. 



Calothrix; confervicola, luteola, scopulorum, fasciculata, pannosa, semiplena, 



hydnoides, coespitula. 

 ScHizoTHRix; Cre^wellii. 

 ScHizosiPHON; Warrenise. 

 Ltngbta; majuscula, ferruginea. 



Oscillatoeia; littoralis, spiralis, nigro-viridis, subuliformis, insignis. 

 MiCEOCOLEUS; anguiformis. 

 Spirulina; tenuissima. 



Family 24.— NOSTOCHINEiE.— .S'o/^^ tubular threads lying in gelatine Jorniing 



filmy 'patches; each thread containing a 

 row of colour-cells, interrupted here and 

 there ly one of different character (heter- 

 ocyst.) 

 Zoospores internal. 

 Spermosira; littorea, Harvey ana. 



SpHiEROZTGA; Carmichaeli, Thvvaitesii, Broomei, Berkeleyana. 

 Monormia; intricata. 



Family 25. — PALMELLACE^. — Soft, gelatinous, tubular threads, each con- 

 taining a roiu of colour-cells. 

 Zoospores internal; the colo%iring -matter (en- 

 dochrome) dividing into rays. 



HoRMOSPORA; ramosa. 



