GALL DIAGRAMS, SUBGENUS ACRASPIS
X 6
Fig. 325. C. nubila russa, showing wool-like hairs on epidermis, collenchyma (and nutritive?) zones.
Fig. 326. C. villosa expositor, showing stiff hairs on epidermis, collenchyma, (and nutritive?) zones.
Fig. 327. C. gemmula gemmula agamic form prinoides, showing stiff spines on epidermis, thick collenchyma, (and nutritive?) zones.
Fig. 328. C. pezomachoides erinacei agamic form erinacei, showing spiny form of gall.
Fig. 329. C. hirta macrescenst showing faceted surface derived from swollen bases of spines on epidermis, and collenchyma (and nutritive?) zones.
Fig. 330. C. villosa acraspiformis, showing stiff spines on epidermis, collenchyma (and nutritive?) zones.
Fig. 331. C. pezomachoides erinacei agamic form erinacei, showing naked form of gall.
Fig. 332. C. pezomachoides erinacei bisex. form bicolens, showing epidermis and undifferentiated parenchyma zones.
Fig. 333. C. curida, showing epidermis, collenchyma, fibrous parenchyma (protective?), and nutritive zones.
Fig. 334. C. mellea carolina, showing epidermis, scant collenchyma, rather fibrous parenchyma (protective?), and nutritive zones.
Fig. 335. C. gemmula gemmula bisex. form gemmula, showing epidermis and undifferentiated parenchyma zones.
Fig. 336. C. conica, showing epidermis, collenchyma, rather fibrous parenchyma (protective?) and nutritive zones.